annotate xml/ru/docs/http/ngx_http_upstream_module.xml @ 2418:7e1af2148946

Updated note in slow_start with random load balancing method.
author Yaroslav Zhuravlev <yar@nginx.com>
date Tue, 13 Aug 2019 20:45:38 +0300
parents 994207cf96da
children a1f61586779b
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1 <?xml version="1.0"?>
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2
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3 <!--
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4 Copyright (C) Igor Sysoev
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5 Copyright (C) Nginx, Inc.
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6 -->
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7
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
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9
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10 <module name="Модуль ngx_http_upstream_module"
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11 link="/ru/docs/http/ngx_http_upstream_module.html"
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12 lang="ru"
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13 rev="80">
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14
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15 <section id="summary">
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16
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17 <para>
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18 Модуль <literal>ngx_http_upstream_module</literal>
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19 позволяет описывать группы серверов,
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20 которые могут использоваться в директивах
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21 <link doc="ngx_http_proxy_module.xml" id="proxy_pass"/>,
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22 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass"/>,
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23 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_pass"/>,
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24 <link doc="ngx_http_scgi_module.xml" id="scgi_pass"/>,
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25 <link doc="ngx_http_memcached_module.xml" id="memcached_pass"/> и
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26 <link doc="ngx_http_grpc_module.xml" id="grpc_pass"/>.
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27 </para>
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28
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29 </section>
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30
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31
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32 <section id="example" name="Пример конфигурации">
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33
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34 <para>
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35 <example>
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36 upstream <emphasis>backend</emphasis> {
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37 server backend1.example.com weight=5;
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38 server backend2.example.com:8080;
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39 server unix:/tmp/backend3;
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40
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41 server backup1.example.com:8080 backup;
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42 server backup2.example.com:8080 backup;
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43 }
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44
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45 server {
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46 location / {
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47 proxy_pass http://<emphasis>backend</emphasis>;
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48 }
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49 }
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50 </example>
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51 </para>
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52
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53 <para>
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54 Динамически настраиваемая группа
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55 с периодическими
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56 <link doc="ngx_http_upstream_hc_module.xml">проверками работоспособности</link>
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57 доступна как часть
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58 <commercial_version>коммерческой подписки</commercial_version>:
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59 <example>
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60 resolver 10.0.0.1;
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61
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62 upstream <emphasis>dynamic</emphasis> {
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63 zone upstream_dynamic 64k;
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64
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65 server backend1.example.com weight=5;
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66 server backend2.example.com:8080 fail_timeout=5s slow_start=30s;
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67 server 192.0.2.1 max_fails=3;
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68 server backend3.example.com resolve;
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69 server backend4.example.com service=http resolve;
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71 server backup1.example.com:8080 backup;
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72 server backup2.example.com:8080 backup;
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73 }
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74
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75 server {
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76 location / {
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77 proxy_pass http://<emphasis>dynamic</emphasis>;
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78 health_check;
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79 }
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80 }
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81 </example>
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82 </para>
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83
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84 </section>
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85
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86
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87 <section id="directives" name="Директивы">
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88
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89 <directive name="upstream">
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90 <syntax block="yes"><value>название</value></syntax>
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91 <default/>
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92 <context>http</context>
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93
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94 <para>
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95 Описывает группу серверов.
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96 Серверы могут слушать на разных портах.
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97 Кроме того, можно одновременно использовать серверы,
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98 слушающие на TCP- и UNIX-сокетах.
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99 </para>
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100
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101 <para>
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102 Пример:
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103 <example>
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104 upstream backend {
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105 server backend1.example.com weight=5;
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106 server 127.0.0.1:8080 max_fails=3 fail_timeout=30s;
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107 server unix:/tmp/backend3;
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108
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109 server backup1.example.com backup;
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110 }
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111 </example>
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112 </para>
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113
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114 <para>
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115 По умолчанию запросы распределяются по серверам циклически
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116 (в режиме round-robin) с учётом весов серверов.
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117 В вышеприведённом примере каждые 7 запросов будут распределены так:
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118 5 запросов на <literal>backend1.example.com</literal>
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119 и по одному запросу на второй и третий серверы.
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120 Если при попытке работы с сервером происходит ошибка, то запрос
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121 передаётся следующему серверу, и так далее до тех пор, пока не будут опробованы
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122 все работающие серверы.
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123 Если не удастся получить успешный ответ
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124 ни от одного из серверов, то клиенту будет возвращён результат работы
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125 с последним сервером.
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126 </para>
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127
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128 </directive>
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129
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130
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131 <directive name="server">
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132 <syntax><value>адрес</value> [<value>параметры</value>]</syntax>
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133 <default/>
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134 <context>upstream</context>
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135
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136 <para>
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137 Задаёт <value>адрес</value> и другие <value>параметры</value>
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138 сервера.
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139 Адрес может быть указан в виде доменного имени или IP-адреса,
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140 и необязательного порта, или в виде пути UNIX-сокета, который
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141 указывается после префикса “<literal>unix:</literal>”.
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142 Если порт не указан, используется порт 80.
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143 Доменное имя, которому соответствует несколько IP-адресов,
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144 задаёт сразу несколько серверов.
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145 </para>
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146
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147 <para>
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148 Могут быть заданы следующие параметры:
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149 <list type="tag">
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150
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151 <tag-name id="weight">
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152 <literal>weight</literal>=<value>число</value>
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153 </tag-name>
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154 <tag-desc>
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155 задаёт вес сервера, по умолчанию 1.
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156 </tag-desc>
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157
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158 <tag-name id="max_conns">
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159 <literal>max_conns</literal>=<value>число</value>
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160 </tag-name>
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161 <tag-desc>
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162 ограничивает максимальное <value>число</value> одновременных активных
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163 соединений к проксируемому серверу (1.11.5).
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164 Значение по умолчанию равно 0 и означает, что ограничения нет.
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165 Если группа не находится в <link id="zone">зоне разделяемой памяти</link>,
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166 то ограничение работает отдельно для каждого рабочего процесса.
1800
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167 <note>
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168 При включённых <link id="keepalive">неактивных постоянных</link> соединениях,
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169 нескольких
1800
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170 <link doc="../ngx_core_module.xml" id="worker_processes">рабочих процессах</link>
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171 и <link id="zone">зоне разделяемой памяти</link>,
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172 суммарное число активных и неактивных соединений с проксируемым сервером
1800
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173 может превышать значение <literal>max_conns</literal>.
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174 </note>
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175 <note>
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176 Начиная с версии 1.5.9 и до версии 1.11.5
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177 этот параметр был доступен как часть
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178 <commercial_version>коммерческой подписки</commercial_version>.
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179 </note>
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180 </tag-desc>
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181
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182 <tag-name id="max_fails">
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183 <literal>max_fails</literal>=<value>число</value>
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184 </tag-name>
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185 <tag-desc>
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186 задаёт число неудачных попыток работы с сервером, которые должны произойти
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187 в течение времени, заданного параметром <literal>fail_timeout</literal>,
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188 чтобы сервер считался недоступным на период времени, также заданный
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189 параметром <literal>fail_timeout</literal>.
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190 По умолчанию число попыток устанавливается равным 1.
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191 Нулевое значение отключает учёт попыток.
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192 Что считается неудачной попыткой, определяется директивами
533
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193 <link doc="ngx_http_proxy_module.xml" id="proxy_next_upstream"/>,
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194 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_next_upstream"/>,
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195 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_next_upstream"/>,
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196 <link doc="ngx_http_scgi_module.xml" id="scgi_next_upstream"/>,
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197 <link doc="ngx_http_memcached_module.xml" id="memcached_next_upstream"/> и
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198 <link doc="ngx_http_grpc_module.xml" id="grpc_next_upstream"/>.
533
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199 </tag-desc>
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200
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201 <tag-name id="fail_timeout">
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202 <literal>fail_timeout</literal>=<value>время</value>
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203 </tag-name>
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204 <tag-desc>
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205 задаёт
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206 <list type="bullet">
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207
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208 <listitem>
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209 время, в течение которого должно произойти заданное число неудачных
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210 попыток работы с сервером для того, чтобы сервер считался недоступным;
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211 </listitem>
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212
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213 <listitem>
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214 и время, в течение которого сервер будет считаться недоступным.
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215 </listitem>
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216
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217 </list>
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218 По умолчанию параметр равен 10 секундам.
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219 </tag-desc>
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220
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221 <tag-name id="backup">
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222 <literal>backup</literal>
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223 </tag-name>
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224 <tag-desc>
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225 помечает сервер как запасной сервер.
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226 На него будут передаваться запросы в случае, если не работают основные серверы.
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227 </tag-desc>
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228
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229 <tag-name id="down">
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230 <literal>down</literal>
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231 </tag-name>
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232 <tag-desc>
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233 помечает сервер как постоянно недоступный.
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234 </tag-desc>
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235
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236 </list>
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237 </para>
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238
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239 <para>
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240 Кроме того,
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241 следующие параметры доступны как часть
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242 <commercial_version>коммерческой подписки</commercial_version>:
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243 <list type="tag">
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244
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245 <tag-name id="resolve">
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246 <literal>resolve</literal>
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247 </tag-name>
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248 <tag-desc>
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249 отслеживает изменения IP-адресов, соответствующих доменному имени сервера,
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250 и автоматически изменяет конфигурацию группы
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251 без необходимости перезапуска nginx (1.5.12).
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252 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>.
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253 <para>
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254 Для работы этого параметра
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255 директива <link doc="ngx_http_core_module.xml" id="resolver"/>
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256 должна быть задана в блоке
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257 <link doc="ngx_http_core_module.xml" id="http"/>.
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258 Пример:
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259 <example>
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260 http {
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261 resolver 10.0.0.1;
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262
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263 upstream u {
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264 zone ...;
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265 ...
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266 server example.com resolve;
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267 }
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268 }
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269 </example>
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270 </para>
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271 </tag-desc>
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272
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273 <tag-name id="route">
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274 <literal>route</literal>=<value>строка</value>
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275 </tag-name>
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276 <tag-desc>
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277 задаёт имя маршрута к серверу.
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278 </tag-desc>
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279
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280 <tag-name id="service">
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281 <literal>service</literal>=<value>имя</value>
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282 </tag-name>
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283 <tag-desc>
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284 включает преобразование
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285 <link url="https://tools.ietf.org/html/rfc2782">SRV</link>-записей
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286 DNS и задаёт <value>имя</value> сервиса (1.9.13).
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287 Для работы параметра необходимо указать
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288 параметр <link id="resolve"/> для сервера
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289 и не указывать порт сервера.
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290 <para>
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291 Если имя сервиса не содержит точку (“<literal>.</literal>”), то
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292 имя составляется в соответствии с
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293 <link url="https://tools.ietf.org/html/rfc2782">RFC</link>
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294 и в префикс службы добавляется протокол TCP.
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295 Например, для получения
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296 SRV-записи <literal>_http._tcp.backend.example.com</literal>
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297 необходимо указать директиву:
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298 <example>
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299 server backend.example.com service=http resolve;
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300 </example>
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301 Если имя сервиса содержит одну и более точек, то имя составляется
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302 при помощи соединения префикса службы и имени сервера.
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303 Например, для получения SRV-записей
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304 <literal>_http._tcp.backend.example.com</literal>
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305 и <literal>server1.backend.example.com</literal>
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306 необходимо указать директивы:
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307 <example>
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308 server backend.example.com service=_http._tcp resolve;
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309 server example.com service=server1.backend resolve;
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310 </example>
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311 </para>
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312
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313 <para>
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314 SRV-записи с наивысшим приоритетом
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315 (записи с одинаковым наименьшим значением приоритета)
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316 преобразуются в основные серверы,
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317 остальные SRV-записи преобразуются в запасные серверы.
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318 Если в конфигурации сервера указан параметр <link id="backup"/>,
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319 высокоприоритетные SRV-записи преобразуются в запасные серверы,
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320 остальные SRV-записи игнорируются.
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321 </para>
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322 </tag-desc>
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323
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324 <tag-name id="slow_start">
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325 <literal>slow_start</literal>=<value>время</value>
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326 </tag-name>
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327 <tag-desc>
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328 задаёт <value>время</value>, в течение которого вес сервера
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329 восстановится от нуля до своего номинального значения в ситуации, когда
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330 неработоспособный (unhealthy) сервер вновь становится работоспособным
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331 (<link doc="ngx_http_upstream_hc_module.xml" id="health_check">healthy</link>)
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332 или когда сервер становится доступным по прошествии времени,
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333 в течение которого он считался <link id="fail_timeout">недоступным</link>.
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334 Значение по умолчанию равно нулю и означает, что медленный старт выключен.
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335 <note>
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336 Параметр нельзя использовать совместно с
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337 методами балансировки нагрузки
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338 <link id="hash"/>, <link id="ip_hash"/> и <link id="random"/>.
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339 </note>
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340 </tag-desc>
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341
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342 <tag-name id="drain">
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343 <literal>drain</literal>
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344 </tag-name>
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345 <tag-desc>
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346 переводит сервер в режим “draining” (1.13.6).
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347 В этом режиме на сервер будут проксироваться только
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348 <link id="sticky">привязанные</link> к нему запросы.
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349 <note>
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350 До версии 1.13.6
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351 параметр мог быть изменён только при помощи
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352 модуля <link doc="ngx_http_api_module.xml">API</link>.
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353 </note>
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354 </tag-desc>
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355
533
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356 </list>
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357 </para>
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358
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359 <para>
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360 <note>
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361 Если в группе только один сервер, параметры <literal>max_fails</literal>,
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362 <literal>fail_timeout</literal> и <literal>slow_start</literal>
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363 игнорируются и такой сервер никогда не будет считаться недоступным.
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364 </note>
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365 </para>
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366
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367 </directive>
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diff changeset
368
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369
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370 <directive name="zone">
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371 <syntax><value>имя</value> [<value>размер</value>]</syntax>
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372 <default/>
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373 <context>upstream</context>
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374 <appeared-in>1.9.0</appeared-in>
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375
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376 <para>
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377 Задаёт <value>имя</value> и <value>размер</value> зоны разделяемой памяти,
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diff changeset
378 в которой хранятся конфигурация группы и её рабочее состояние,
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diff changeset
379 разделяемые между рабочими процессами.
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diff changeset
380 В одной и той же зоне могут быть сразу несколько групп.
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diff changeset
381 В этом случае достаточно указать <value>размер</value> только один раз.
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382 </para>
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383
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diff changeset
384 <para>
4e5cab61e548 Documented status of the zone directive in ngx_http_upstream module.
Vladimir Homutov <vl@nginx.com>
parents: 1450
diff changeset
385 Дополнительно, как часть
4e5cab61e548 Documented status of the zone directive in ngx_http_upstream module.
Vladimir Homutov <vl@nginx.com>
parents: 1450
diff changeset
386 <commercial_version>коммерческой подписки</commercial_version>,
4e5cab61e548 Documented status of the zone directive in ngx_http_upstream module.
Vladimir Homutov <vl@nginx.com>
parents: 1450
diff changeset
387 в таких группах для изменения состава группы
1243
831215432a4f Upstream: revised the Russian text of the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1242
diff changeset
388 или настроек отдельных серверов
831215432a4f Upstream: revised the Russian text of the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1242
diff changeset
389 нет необходимости перезапускать nginx.
2097
27c53e1cb4b6 Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2082
diff changeset
390 Конфигурация доступна через
27c53e1cb4b6 Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2082
diff changeset
391 модуль <link doc="ngx_http_api_module.xml">API</link> (1.13.3).
27c53e1cb4b6 Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2082
diff changeset
392 <note>
27c53e1cb4b6 Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2082
diff changeset
393 До версии 1.13.3
27c53e1cb4b6 Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2082
diff changeset
394 конфигурация была доступна только через специальный location,
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
395 в котором указана директива
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
396 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf"/>.
2097
27c53e1cb4b6 Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2082
diff changeset
397 </note>
1123
9a9aa8e9d12c Rephrased the "zone" directive, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1122
diff changeset
398 </para>
9a9aa8e9d12c Rephrased the "zone" directive, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1122
diff changeset
399
9a9aa8e9d12c Rephrased the "zone" directive, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1122
diff changeset
400 </directive>
9a9aa8e9d12c Rephrased the "zone" directive, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1122
diff changeset
401
9a9aa8e9d12c Rephrased the "zone" directive, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1122
diff changeset
402
1636
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
403 <directive name="state">
1720
b536cb3dbccf Fixed Russian translation in the "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1700
diff changeset
404 <syntax><value>файл</value></syntax>
1636
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
405 <default/>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
406 <context>upstream</context>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
407 <appeared-in>1.9.7</appeared-in>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
408
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
409 <para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
410 Задаёт <value>файл</value>, в котором хранится состояние
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
411 динамически настраиваемой группы.
1809
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
412 </para>
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
413
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
414 <para>
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
415 Примеры:
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
416 <example>
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
417 state /var/lib/nginx/state/servers.conf; # путь для Linux
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
418 state /var/db/nginx/state/servers.conf; # путь для FreeBSD
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
419 </example>
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
420 </para>
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
421
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
422 <para>
1636
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
423 В данный момент состояние ограничено списком серверов с их параметрами.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
424 Файл читается при парсинге конфигурации и обновляется каждый раз при
2222
0974dc0a6209 Changed link from upstream_conf to api in "state".
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2197
diff changeset
425 <link doc="ngx_http_api_module.xml" id="http_upstreams_http_upstream_name_servers_">изменении</link>
1636
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
426 конфигурации группы.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
427 Изменение содержимого файла напрямую не рекомендуется.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
428 Директиву нельзя использовать
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
429 совместно с директивой <link id="server"/>.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
430 </para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
431
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
432 <para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
433 <note>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
434 Изменения, совершённые в момент
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
435 <link doc="../control.xml" id="reconfiguration">перезагрузки конфигурации</link>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
436 или <link doc="../control.xml" id="upgrade">обновления бинарного файла</link>,
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
437 могут быть потеряны.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
438 </note>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
439 </para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
440
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
441 <para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
442 <note>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
443 Эта директива доступна как часть
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
444 <commercial_version>коммерческой подписки</commercial_version>.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
445 </note>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
446 </para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
447
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
448 </directive>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
449
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
450
1230
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
451 <directive name="hash">
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
452 <syntax><value>ключ</value> [<literal>consistent</literal>]</syntax>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
453 <default/>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
454 <context>upstream</context>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
455 <appeared-in>1.7.2</appeared-in>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
456
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
457 <para>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
458 Задаёт метод балансировки нагрузки для группы, при котором
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
459 соответствие клиента серверу определяется при помощи
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
460 хэшированного значения <value>ключа</value>.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
461 В качестве <value>ключа</value> может использоваться
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
462 текст, переменные и их комбинации.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
463 Следует отметить, что любое добавление или удаление серверов в группе
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
464 может привести к перераспределению большинства ключей на другие серверы.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
465 Метод совместим с библиотекой Perl
2275
d93c8c32df75 Updated links to CPAN search interface.
Sergey Kandaurov <pluknet@nginx.com>
parents: 2274
diff changeset
466 <link url="https://metacpan.org/pod/Cache::Memcached">Cache::Memcached</link>.
1230
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
467 </para>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
468
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
469 <para>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
470 Если задан параметр <literal>consistent</literal>, то вместо
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
471 вышеописанного метода будет использоваться метод консистентного хэширования
2274
e28e3d0f0d20 Updated link in the "hash" directive.
Sergey Kandaurov <pluknet@nginx.com>
parents: 2230
diff changeset
472 <link url="https://www.metabrew.com/article/libketama-consistent-hashing-algo-memcached-clients">ketama</link>.
1230
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
473 Метод гарантирует, что при добавлении сервера в группу или его удалении
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
474 на другие серверы будет перераспределено минимальное число ключей.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
475 Применение метода для кэширующих серверов обеспечивает
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
476 больший процент попаданий в кэш.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
477 Метод совместим с библиотекой Perl
2275
d93c8c32df75 Updated links to CPAN search interface.
Sergey Kandaurov <pluknet@nginx.com>
parents: 2274
diff changeset
478 <link url="https://metacpan.org/pod/Cache::Memcached::Fast">Cache::Memcached::Fast</link>
1230
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
479 при значении параметра <value>ketama_points</value> равным 160.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
480 </para>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
481
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
482 </directive>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
483
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
484
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
485 <directive name="ip_hash">
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 99
diff changeset
486 <syntax/>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 79
diff changeset
487 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
488 <context>upstream</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
489
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
490 <para>
533
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
491 Задаёт для группы метод балансировки нагрузки, при котором запросы
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
492 распределяются по серверам на основе IP-адресов клиентов.
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
493 В качестве ключа для хэширования используются первые три
542
a9e6a8613534 Documented IPv6 support in ip_hash.
Ruslan Ermilov <ru@nginx.com>
parents: 533
diff changeset
494 октета IPv4-адреса клиента или IPv6-адрес клиента целиком.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
495 Метод гарантирует, что запросы одного и того же клиента
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
496 будут всегда передаваться на один и тот же сервер.
1240
019f8273ee24 Upstream: translated the missing parts of the "server" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1238
diff changeset
497 Если же этот сервер будет считаться недоступным,
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
498 то запросы этого клиента будут передаваться на другой сервер.
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
499 С большой долей вероятности это также будет один и тот же сервер.
542
a9e6a8613534 Documented IPv6 support in ip_hash.
Ruslan Ermilov <ru@nginx.com>
parents: 533
diff changeset
500 <note>
566
f8148fc88224 Documented 1.2.2 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 542
diff changeset
501 IPv6-адреса поддерживаются начиная с версий 1.3.2 и 1.2.2.
542
a9e6a8613534 Documented IPv6 support in ip_hash.
Ruslan Ermilov <ru@nginx.com>
parents: 533
diff changeset
502 </note>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
503 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
504
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
505 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
506 Если один из серверов нужно убрать на некоторое время, то для сохранения
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
507 текущего хэширования IP-адресов клиентов этот сервер нужно пометить
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
508 параметром <literal>down</literal>.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
509 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
510
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
511 <para>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
512 Пример:
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
513 <example>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
514 upstream backend {
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
515 ip_hash;
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
516
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
517 server backend1.example.com;
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
518 server backend2.example.com;
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
519 server backend3.example.com <emphasis>down</emphasis>;
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
520 server backend4.example.com;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
521 }
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
522 </example>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
523 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
524
526
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
525 <para>
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
526 <note>
566
f8148fc88224 Documented 1.2.2 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 542
diff changeset
527 До версий 1.3.1 и 1.2.2 для серверов, использующих метод балансировки нагрузки
526
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
528 <literal>ip_hash</literal>, нельзя было задать вес.
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
529 </note>
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
530 </para>
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
531
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
532 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
533
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
534
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
535 <directive name="keepalive">
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
536 <syntax><value>соединения</value></syntax>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
537 <default/>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
538 <context>upstream</context>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
539 <appeared-in>1.1.4</appeared-in>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
540
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
541 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
542 Задействует кэш соединений для группы серверов.
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
543 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
544
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
545 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
546 Параметр <value>соединения</value> устанавливает максимальное число
654
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
547 неактивных постоянных соединений с серверами группы, которые будут
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
548 сохраняться в кэше каждого рабочего процесса.
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
549 При превышении этого числа наиболее давно не используемые соединения
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
550 закрываются.
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
551 <note>
654
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
552 Следует особо отметить, что директива <literal>keepalive</literal>
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
553 не ограничивает общее число соединений с серверами группы, которые
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
554 рабочие процессы nginx могут открыть.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
555 Параметр <value>соединения</value> следует устанавливать достаточно
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
556 консервативно, чтобы серверы группы по-прежнему могли обрабатывать
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
557 новые входящие соединения.
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
558 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
559 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
560
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
561 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
562 Пример конфигурации группы серверов memcached с постоянными соединениями:
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
563 <example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
564 upstream memcached_backend {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
565 server 127.0.0.1:11211;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
566 server 10.0.0.2:11211;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
567
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
568 keepalive 32;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
569 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
570
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
571 server {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
572 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
573
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
574 location /memcached/ {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
575 set $memcached_key $uri;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
576 memcached_pass memcached_backend;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
577 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
578
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
579 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
580 </example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
581 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
582
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
583 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
584 Для HTTP директиву
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
585 <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
586 следует установить в “<literal>1.1</literal>”,
367
f4033b9bc4ec - Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents: 325
diff changeset
587 а поле заголовка <header>Connection</header> — очистить:
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
588 <example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
589 upstream http_backend {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
590 server 127.0.0.1:8080;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
591
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
592 keepalive 16;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
593 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
594
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
595 server {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
596 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
597
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
598 location /http/ {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
599 proxy_pass http://http_backend;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
600 proxy_http_version 1.1;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
601 proxy_set_header Connection "";
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
602 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
603 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
604 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
605 </example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
606 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
607
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
608 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
609 <note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
610 Хоть это и не рекомендуется, но также возможно использование постоянных
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
611 соединений с HTTP/1.0, путём передачи поля заголовка
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
612 <header>Connection: Keep-Alive</header> серверу группы.
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
613 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
614 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
615
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
616 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
617 Для работы постоянных соединений с FastCGI-серверами потребуется
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
618 включить директиву
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
619 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_keep_conn"/>:
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
620 <example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
621 upstream fastcgi_backend {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
622 server 127.0.0.1:9000;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
623
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
624 keepalive 8;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
625 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
626
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
627 server {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
628 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
629
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
630 location /fastcgi/ {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
631 fastcgi_pass fastcgi_backend;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
632 fastcgi_keep_conn on;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
633 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
634 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
635 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
636 </example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
637 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
638
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
639 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
640 <note>
533
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
641 При использовании методов балансировки нагрузки, отличных
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
642 от стандартного round-robin, следует активировать их до
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
643 директивы <literal>keepalive</literal>.
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
644 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
645
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
646 <note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
647 Протоколы SCGI и uwsgi не определяют семантику постоянных соединений.
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
648 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
649 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
650
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
651 </directive>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
652
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
653
2223
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
654 <directive name="keepalive_requests">
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
655 <syntax><value>число</value></syntax>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
656 <default>100</default>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
657 <context>upstream</context>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
658 <appeared-in>1.15.3</appeared-in>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
659
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
660 <para>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
661 Задаёт максимальное число запросов, которые можно
2225
e2c3d17d0f58 Unified wording of upstream keepalive directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2223
diff changeset
662 сделать по одному постоянному соединению.
2223
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
663 После того как сделано максимальное число запросов,
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
664 соединение закрывается.
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
665 </para>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
666
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
667 </directive>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
668
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
669
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
670 <directive name="keepalive_timeout">
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
671 <syntax><value>таймаут</value></syntax>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
672 <default>60s</default>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
673 <context>upstream</context>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
674 <appeared-in>1.15.3</appeared-in>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
675
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
676 <para>
2225
e2c3d17d0f58 Unified wording of upstream keepalive directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2223
diff changeset
677 Задаёт таймаут, в течение которого неактивное постоянное
2223
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
678 соединение с сервером группы не будет закрыто.
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
679 </para>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
680
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
681 </directive>
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
682
a692df6ef304 Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2222
diff changeset
683
1561
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
684 <directive name="ntlm">
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
685 <syntax/>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
686 <default/>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
687 <context>upstream</context>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
688 <appeared-in>1.9.2</appeared-in>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
689
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
690 <para>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
691 Позволяет проксировать запросы с
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
692 <link url="https://en.wikipedia.org/wiki/Integrated_Windows_Authentication">проверкой
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
693 подлинности NTLM</link>.
1587
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
694 Соединение с сервером группы привязывается к клиентскому соединению
1561
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
695 как только клиент отправляет запрос, в заголовке которого есть поле
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
696 <header>Authorization</header> со значением,
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
697 начинающимся с “<literal>Negotiate</literal>” или “<literal>NTLM</literal>”.
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
698 Последующие запросы клиента будут проксироваться через это же соединение
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
699 с сервером группы,
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
700 сохраняя контекст аутентификации.
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
701 </para>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
702
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
703 <para>
1587
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
704 Для работы проверки подлинности NTLM
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
705 необходимо разрешить постоянные соединения с серверами группы.
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
706 Директиву <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
707 следует установить в “<literal>1.1</literal>”,
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
708 а поле заголовка <header>Connection</header> — очистить:
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
709 <example>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
710 upstream http_backend {
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
711 server 127.0.0.1:8080;
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
712
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
713 ntlm;
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
714 }
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
715
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
716 server {
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
717 ...
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
718
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
719 location /http/ {
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
720 proxy_pass http://http_backend;
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
721 proxy_http_version 1.1;
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
722 proxy_set_header Connection "";
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
723 ...
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
724 }
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
725 }
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
726 </example>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
727 </para>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
728
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
729 <para>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
730 <note>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
731 При использовании методов балансировки нагрузки, отличных
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
732 от стандартного round-robin, следует активировать их до
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
733 директивы <literal>ntlm</literal>.
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
734 </note>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
735 </para>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
736
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
737 <para>
1561
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
738 <note>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
739 Эта директива доступна как часть
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
740 <commercial_version>коммерческой подписки</commercial_version>.
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
741 </note>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
742 </para>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
743
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
744 </directive>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
745
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
746
1125
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
747 <directive name="least_conn">
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
748 <syntax/>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
749 <default/>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
750 <context>upstream</context>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
751 <appeared-in>1.3.1</appeared-in>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
752 <appeared-in>1.2.2</appeared-in>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
753
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
754 <para>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
755 Задаёт для группы метод балансировки нагрузки, при котором запрос
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
756 передаётся серверу с наименьшим числом активных соединений,
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
757 с учётом весов серверов.
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
758 Если подходит сразу несколько серверов, они выбираются циклически
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
759 (в режиме round-robin) с учётом их весов.
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
760 </para>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
761
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
762 </directive>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
763
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
764
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
765 <directive name="least_time">
1925
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
766 <syntax>
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
767 <literal>header</literal> |
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
768 <literal>last_byte</literal>
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
769 [<literal>inflight</literal>]</syntax>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
770 <default/>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
771 <context>upstream</context>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
772 <appeared-in>1.7.10</appeared-in>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
773
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
774 <para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
775 Задаёт для группы метод балансировки нагрузки, при котором запрос
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
776 передаётся серверу с наименьшими средним временем ответа и
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
777 числом активных соединений с учётом весов серверов.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
778 Если подходит сразу несколько серверов, то они выбираются циклически
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
779 (в режиме round-robin) с учётом их весов.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
780 </para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
781
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
782 <para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
783 Если указан параметр <literal>header</literal>,
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
784 то учитывается время получения
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
785 <link id="var_upstream_header_time">заголовка ответа</link>.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
786 Если указан параметр <literal>last_byte</literal>, то учитывается
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
787 время получения <link id="var_upstream_response_time">всего ответа</link>.
1925
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
788 Если указан параметр <literal>inflight</literal> (1.11.6),
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
789 то также учитываются незавершённые запросы.
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
790 <note>
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
791 До версии 1.11.6 незавершённые запросы учитывались по умолчанию.
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
792 </note>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
793 </para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
794
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
795 <para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
796 <note>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
797 Эта директива доступна как часть
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
798 <commercial_version>коммерческой подписки</commercial_version>.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
799 </note>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
800 </para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
801
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
802 </directive>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
803
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
804
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
805 <directive name="queue">
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
806 <syntax>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
807 <value>число</value>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
808 [<literal>timeout</literal>=<value>время</value>]</syntax>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
809 <default/>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
810 <context>upstream</context>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
811 <appeared-in>1.5.12</appeared-in>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
812
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
813 <para>
1818
574c44d14837 Removed the "max_conns" condition from the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1817
diff changeset
814 Если при обработке запроса невозможно сразу выбрать сервер группы, то
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
815 запрос будет помещён в очередь.
2067
014323d0cc38 Highlighted the "number" value in the queue directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2062
diff changeset
816 Директива задаёт максимальное <value>число</value> запросов,
014323d0cc38 Highlighted the "number" value in the queue directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2062
diff changeset
817 которые могут одновременно находиться в очереди.
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
818 Если очередь переполнена
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
819 или за время, задаваемое параметром <literal>timeout</literal>,
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
820 так и не удастся выбрать сервер для передачи ему запроса,
1625
0ba4b2e561bd Added 502 error to the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1587
diff changeset
821 клиенту будет возвращена ошибка
0ba4b2e561bd Added 502 error to the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1587
diff changeset
822 <http-status code="502" text="Bad Gateway"/>.
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
823 </para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
824
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
825 <para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
826 По умолчанию параметр <literal>timeout</literal> равен 60 секундам.
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
827 </para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
828
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
829 <para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
830 <note>
1925
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
831 При использовании методов балансировки нагрузки, отличных
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
832 от стандартного round-robin, следует активировать их до
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
833 директивы <literal>queue</literal>.
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
834 </note>
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
835
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
836 <note>
1128
1594ed379f1f De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents: 1127
diff changeset
837 Эта директива доступна как часть
1594ed379f1f De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents: 1127
diff changeset
838 <commercial_version>коммерческой подписки</commercial_version>.
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
839 </note>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
840 </para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
841
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
842 </directive>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
843
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
844
2191
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
845 <directive name="random">
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
846 <syntax>[<literal>two</literal> [<value>метод</value>]]</syntax>
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
847 <default/>
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
848 <context>upstream</context>
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
849 <appeared-in>1.15.1</appeared-in>
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
850
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
851 <para>
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
852 Задаёт для группы метод балансировки нагрузки, при котором запрос
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
853 передаётся случайно выбранному серверу, с учётом весов
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
854 серверов.
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
855 </para>
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
856
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
857 <para>
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
858 Если указан необязательный параметр <literal>two</literal>,
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
859 то nginx случайным образом выбирает
2197
03f8a9c5e8ae Updated link in the "random" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2191
diff changeset
860 <link url="https://homes.cs.washington.edu/~karlin/papers/balls.pdf">два</link>
2191
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
861 сервера, из которых выбирает сервер,
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
862 используя указанный <literal>метод</literal>.
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
863 Методом по умолчанию является <literal>least_conn</literal>,
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
864 при котором запрос передаётся на сервер
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
865 с наименьшим количеством активных соединений.
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
866 </para>
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
867
2230
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
868 <para id="random_least_time">
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
869 Если указан метод <literal>least_time</literal>, то запрос передаётся серверу
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
870 с наименьшими средним временем ответа и числом активных соединений.
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
871 Если указан <literal>least_time=header</literal>, то учитывается
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
872 время получения <link id="var_upstream_header_time">заголовка ответа</link>.
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
873 Если указан <literal>least_time=last_byte</literal>, то учитывается
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
874 время получения <link id="var_upstream_response_time">всего ответа</link>.
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
875 <note>
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
876 Метод <literal>least_time</literal> доступен как часть
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
877 <commercial_version>коммерческой подписки</commercial_version>.
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
878 </note>
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
879 </para>
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2225
diff changeset
880
2191
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
881 </directive>
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
882
2c56f91c304a Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents: 2139
diff changeset
883
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
884 <directive name="sticky">
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
885 <syntax>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
886 <literal>cookie</literal> <value>имя</value>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
887 [<literal>expires=</literal><value>время</value>]
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
888 [<literal>domain=</literal><value>домен</value>]
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
889 [<literal>httponly</literal>]
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
890 [<literal>secure</literal>]
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
891 [<literal>path=</literal><value>путь</value>]</syntax>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
892 <syntax>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
893 <literal>route</literal> <value>переменная</value> ...</syntax>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
894 <syntax>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
895 <literal>learn</literal>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
896 <literal>create=</literal><value>$переменная</value>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
897 <literal>lookup=</literal><value>$переменная</value>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
898 <literal>zone=</literal><value>имя</value>:<value>размер</value>
2028
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
899 [<literal>timeout=</literal><value>время</value>]
2139
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
900 [<literal>header</literal>]
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
901 [<literal>sync</literal>]</syntax>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
902 <default/>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
903 <context>upstream</context>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
904 <appeared-in>1.5.7</appeared-in>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
905
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
906 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
907 Включает режим привязки сеансов, в котором запросы клиента
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
908 будут передаваться на один и тот же сервер группы.
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
909 Доступны три метода:
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
910 <list type="tag">
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
911 <tag-name id="sticky_cookie"><literal>cookie</literal></tag-name>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
912 <tag-desc>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
913
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
914 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
915 При использовании метода <literal>cookie</literal> информация о
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
916 назначенном сервере передаётся в HTTP-куке:
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
917 <example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
918 upstream backend {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
919 server backend1.example.com;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
920 server backend2.example.com;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
921
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
922 sticky cookie srv_id expires=1h domain=.example.com path=/;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
923 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
924 </example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
925 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
926
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
927 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
928 Запрос от клиента, ещё не привязанного к определённому серверу,
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
929 передаётся на сервер, выбранный согласно настроенному методу балансировки.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
930 Дальнейшие запросы от этого клиента передаются на тот же сервер.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
931 Если назначенный сервер не может обработать запрос, выбирается новый
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
932 сервер как если бы клиент не имел привязки к серверу.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
933 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
934
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
935 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
936 Первый параметр задаёт имя куки, которую необходимо установить или проверить.
2041
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
937 Значением куки является MD5-хэш IP-адреса и порта
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
938 (или пути UNIX-сокета) в шестнадцатеричном виде.
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
939 Однако если указан параметр “<literal>route</literal>”
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
940 директивы <link id="server"/>, то значением куки будет
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
941 значение параметра “<literal>route</literal>”:
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
942 <example>
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
943 upstream backend {
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
944 server backend1.example.com route=<emphasis>a</emphasis>;
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
945 server backend2.example.com route=<emphasis>b</emphasis>;
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
946
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
947 sticky cookie srv_id expires=1h domain=.example.com path=/;
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
948 }
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
949 </example>
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
950 В этом случае значение куки “<literal>srv_id</literal>” будет
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
951 или <value>a</value>, или <value>b</value>.
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
952 </para>
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
953
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
954 <para>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
955 Дополнительные параметры могут быть следующими:
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
956 <list type="tag">
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
957
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
958 <tag-name><literal>expires=</literal><value>время</value></tag-name>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
959 <tag-desc>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
960 Задаёт <value>время</value>, в течение которого браузеру необходимо хранить куку.
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
961 Специальное значение <literal>max</literal> устанавливает срок хранения куки до
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
962 31 декабря 2037 года 23:55:55 GMT.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
963 Если параметр не указан, то время действия куки ограничивается сессией браузера.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
964 </tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
965
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
966 <tag-name><literal>domain=</literal><value>домен</value></tag-name>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
967 <tag-desc>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
968 Задаёт <value>домен</value>, для которого устанавливается кука.
1825
56b6244ddadb Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1818
diff changeset
969 В значении параметра можно использовать переменные (1.11.5).
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
970 </tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
971
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
972 <tag-name><literal>httponly</literal></tag-name>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
973 <tag-desc>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
974 Добавляет атрибут <literal>HttpOnly</literal> к куке (1.7.11).
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
975 </tag-desc>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
976
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
977 <tag-name><literal>secure</literal></tag-name>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
978 <tag-desc>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
979 Добавляет атрибут <literal>Secure</literal> к куке (1.7.11).
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
980 </tag-desc>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
981
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
982 <tag-name><literal>path=</literal><value>путь</value></tag-name>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
983 <tag-desc>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
984 Задаёт <value>путь</value>, для которого устанавливается кука.
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
985 </tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
986
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
987 </list>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
988 Если пропущен тот или иной параметр, то соответствующего поля в куке не будет.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
989 </para>
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
990 </tag-desc>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
991
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
992 <tag-name id="sticky_route"><literal>route</literal></tag-name>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
993 <tag-desc>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
994
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
995 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
996 При использовании метода <literal>route</literal> проксируемый сервер назначает
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
997 клиенту маршрут по получении первого запроса.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
998 Все последующие запросы от этого клиента будут содержать информацию о
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
999 маршруте в куке или URI.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1000 Эта информация сравнивается с параметром “<literal>route</literal>” директивы
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1001 <link id="server"/> для идентификации сервера, на который
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1002 следует проксировать запрос.
1854
dca985318cfe Documented default value for server route in sticky route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1825
diff changeset
1003 Если параметр “<literal>route</literal>” не задан, то именем маршрута
dca985318cfe Documented default value for server route in sticky route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1825
diff changeset
1004 будет являться MD5-хэш IP-адреса и порта
dca985318cfe Documented default value for server route in sticky route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1825
diff changeset
1005 (или пути UNIX-сокета) в шестнадцатеричном виде.
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1006 Если назначенный сервер не может обработать запрос, выбирается новый сервер
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1007 согласно настроенному методу балансировки как если бы в запросе не было
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1008 информации о маршруте.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1009 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1010
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1011 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1012 Параметры метода <literal>route</literal> задают переменные, которые
1238
763db729e6a4 Upstream: corrected translation in sticky route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1237
diff changeset
1013 могут содержать информацию о маршруте.
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1014 Первая непустая переменная используется для поиска соответствующего сервера.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1015 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1016
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1017 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1018 Пример:
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1019 <example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1020 map $cookie_jsessionid $route_cookie {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1021 ~.+\.(?P&lt;route>\w+)$ $route;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1022 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1023
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1024 map $request_uri $route_uri {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1025 ~jsessionid=.+\.(?P&lt;route>\w+)$ $route;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1026 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1027
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1028 upstream backend {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1029 server backend1.example.com route=a;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1030 server backend2.example.com route=b;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1031
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1032 sticky route $route_cookie $route_uri;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1033 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1034 </example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1035 В этом примере маршрут берётся из куки “<literal>JSESSIONID</literal>”,
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1036 если она присутствует в запросе.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1037 В противном случае используется маршрут из URI.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1038 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1039
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1040 </tag-desc>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1041
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1042 <tag-name id="sticky_learn"><literal>learn</literal></tag-name>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1043 <tag-desc>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1044 <para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1045 При использовании метода <literal>learn</literal> (1.7.1) nginx
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1046 анализирует ответы от вышестоящего сервера и запоминает
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1047 начатые им сессии, которые обычно передаются в HTTP-куке.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1048 <example>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1049 upstream backend {
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1050 server backend1.example.com:8080;
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1051 server backend2.example.com:8081;
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1052
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1053 sticky learn
1544
627a9309011c Renamed cookie in the example of the sticky directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1504
diff changeset
1054 create=$upstream_cookie_examplecookie
627a9309011c Renamed cookie in the example of the sticky directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1504
diff changeset
1055 lookup=$cookie_examplecookie
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1056 zone=client_sessions:1m;
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1057 }
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1058 </example>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1059
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1060 В примере выше сервер группы создаёт сессию путём установки
1544
627a9309011c Renamed cookie in the example of the sticky directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1504
diff changeset
1061 куки “<literal>EXAMPLECOOKIE</literal>” в своём ответе.
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1062 Последующие запросы с этой кукой будут передаваться на этот же сервер.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1063 Если сервер не может обработать запрос, выбирается новый
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1064 сервер как если бы клиент не имел привязки к серверу.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1065 </para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1066
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1067 <para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1068 Параметры <literal>create</literal> и <literal>lookup</literal>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1069 задают переменные, в которых соответственно указывается способ
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1070 создания новых и поиска существующих сессий.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1071 Оба параметра могут быть указаны больше одного раза
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1072 (в этом случае используется первая непустая переменная).
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1073 </para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1074
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1075 <para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1076 Сессии хранятся в зоне разделяемой памяти, <value>имя</value> и
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1077 <value>размер</value> которой задаются параметром <literal>zone</literal>.
2139
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1078 Зоны размером в 1 мегабайт достаточно для хранения около 4 тысяч сессий
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1079 на 64-битной платформе.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1080 Сессии, к которым не было обращений в течение времени, заданного параметром
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1081 <literal>timeout</literal>, удаляются из зоны.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1082 По умолчанию <literal>timeout</literal> равен 10 минутам.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1083 </para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1084
2028
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
1085 <para id="sticky_learn_header">
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
1086 Параметр <literal>header</literal> (1.13.1) позволяет создавать сессию
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
1087 сразу после получения заголовков ответа от сервера группы.
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
1088 </para>
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
1089
2139
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1090 <para id="sticky_learn_sync">
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1091 Параметр <literal>sync</literal> (1.13.8) разрешает
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1092 <link doc="../stream/ngx_stream_zone_sync_module.xml" id="zone_sync">синхронизацию</link>
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1093 данной зоны разделяемой памяти.
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1094 </para>
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1095
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1096 </tag-desc>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1097 </list>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1098 </para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1099
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1100 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1101 <note>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1102 Эта директива доступна как часть
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1103 <commercial_version>коммерческой подписки</commercial_version>.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1104 </note>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1105 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1106
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1107 </directive>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1108
1237
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1109
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1110 <directive name="sticky_cookie_insert">
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1111 <syntax><value>имя</value>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1112 [<literal>expires=</literal><value>время</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1113 [<literal>domain=</literal><value>домен</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1114 [<literal>path=</literal><value>путь</value>]</syntax>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1115 <default/>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1116 <context>upstream</context>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1117
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1118 <para>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1119 Эта директива устарела начиная с версии 1.5.7.
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1120 Вместо неё следует использовать аналогичную директиву
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1121 <link id="sticky"/> с изменённым синтаксисом:
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1122 <note>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1123 <literal>sticky cookie</literal> <value>имя</value>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1124 [<literal>expires=</literal><value>время</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1125 [<literal>domain=</literal><value>домен</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1126 [<literal>path=</literal><value>путь</value>];
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1127 </note>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1128 </para>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1129
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1130 </directive>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1131
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1132 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1133
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1134
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1135 <section id="variables" name="Встроенные переменные">
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1136
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1137 <para>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1138 Модуль <literal>ngx_http_upstream_module</literal>
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1139 поддерживает следующие встроенные переменные:
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1140 <list type="tag">
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1141
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1142 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1143 <tag-desc>
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1144 хранит IP-адрес и порт или путь к UNIX-сокету сервера группы.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1145 Если при обработке запроса были сделаны обращения к нескольким серверам,
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1146 то их адреса разделяются запятой, например,
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1147 “<literal>192.168.1.1:80, 192.168.1.2:80, unix:/tmp/sock</literal>”.
256
c78b2d6fe261 Use another term for "redirect".
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
1148 Если произошло внутреннее перенаправление от одной группы серверов на другую
c78b2d6fe261 Use another term for "redirect".
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
1149 с помощью
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1150 <header>X-Accel-Redirect</header> или
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1151 <link doc="ngx_http_core_module.xml" id="error_page"/>,
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
1152 то адреса, соответствующие разным группам серверов, разделяются двоеточием,
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
1153 например,
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1154 “<literal>192.168.1.1:80, 192.168.1.2:80, unix:/tmp/sock : 192.168.10.1:80, 192.168.10.2:80</literal>”.
2058
eb58ee50561d Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2041
diff changeset
1155 Если сервер не может быть выбран,
eb58ee50561d Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2041
diff changeset
1156 то переменная хранит имя группы серверов.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1157 </tag-desc>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1158
1783
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1159 <tag-name id="var_upstream_bytes_received"><var>$upstream_bytes_received</var></tag-name>
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1160 <tag-desc>
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1161 число байт, полученных от сервера группы (1.11.4).
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1162 Значения нескольких соединений
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1163 разделяются запятыми и двоеточиями подобно адресам в переменной
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1164 <link id="var_upstream_addr">$upstream_addr</link>.
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1165 </tag-desc>
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1166
2307
994207cf96da Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2275
diff changeset
1167 <tag-name id="var_upstream_bytes_sent"><var>$upstream_bytes_sent</var></tag-name>
994207cf96da Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2275
diff changeset
1168 <tag-desc>
994207cf96da Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2275
diff changeset
1169 число байт, переданных на сервер группы (1.15.8).
994207cf96da Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2275
diff changeset
1170 Значения нескольких соединений
994207cf96da Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2275
diff changeset
1171 разделяются запятыми и двоеточиями подобно адресам в переменной
994207cf96da Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2275
diff changeset
1172 <link id="var_upstream_addr">$upstream_addr</link>.
994207cf96da Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2275
diff changeset
1173 </tag-desc>
994207cf96da Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2275
diff changeset
1174
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1175 <tag-name id="var_upstream_cache_status"><var>$upstream_cache_status</var>
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1176 </tag-name>
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1177 <tag-desc>
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1178 хранит статус доступа к кэшу ответов (0.8.3).
1075
6c021feec587 Removed unjustified non-breakable spaces.
Ruslan Ermilov <ru@nginx.com>
parents: 1016
diff changeset
1179 Статус может быть одним из “<literal>MISS</literal>”,
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1180 “<literal>BYPASS</literal>”, “<literal>EXPIRED</literal>”,
1016
2d8269d8fea8 Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
1181 “<literal>STALE</literal>”, “<literal>UPDATING</literal>”,
2d8269d8fea8 Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
1182 “<literal>REVALIDATED</literal>” или “<literal>HIT</literal>”.
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1183 </tag-desc>
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1184
1481
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1185 <tag-name id="var_upstream_connect_time"><var>$upstream_connect_time</var>
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1186 </tag-name>
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1187 <tag-desc>
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1188 хранит время, затраченное на установление соединения с сервером группы (1.9.1);
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1189 время хранится в секундах с точностью до миллисекунд.
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1190 В случае SSL, включает в себя время, потраченное на handshake.
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1191 Времена нескольких соединений
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1192 разделяются запятыми и двоеточиями подобно адресам в переменной
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1193 <link id="var_upstream_addr">$upstream_addr</link>.
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1194 </tag-desc>
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1195
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1196 <tag-name id="var_upstream_cookie_"><var>$upstream_cookie_</var><value>имя</value>
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1197 </tag-name>
1186
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1198 <tag-desc>
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1199 кука с указанным <value>именем</value>, переданная сервером группы
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1200 в поле <header>Set-Cookie</header> заголовка ответа (1.7.1).
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1201 Необходимо иметь в виду, что куки запоминаются только из ответа
1186
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1202 последнего сервера.
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1203 </tag-desc>
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1204
1393
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1205 <tag-name id="var_upstream_header_time"><var>$upstream_header_time</var>
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1206 </tag-name>
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1207 <tag-desc>
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1208 хранит время,
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1209 затраченное на получение заголовка ответа от сервера группы (1.7.10);
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1210 время хранится в секундах с точностью до миллисекунд.
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1211 Времена нескольких ответов
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1212 разделяются запятыми и двоеточиями подобно адресам в переменной
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1213 <link id="var_upstream_addr">$upstream_addr</link>.
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1214 </tag-desc>
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1215
1392
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1216 <tag-name id="var_upstream_http_"><var>$upstream_http_</var><value>имя</value></tag-name>
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1217 <tag-desc>
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1218 хранят поля заголовка ответа сервера.
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1219 Например, поле заголовка ответа <header>Server</header>
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1220 доступно в переменной <var>$upstream_http_server</var>.
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1221 Правила преобразования имён полей заголовка ответа в имена переменных
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1222 такие же, как для переменных с префиксом
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1223 “<link doc="ngx_http_core_module.xml" id="var_http_">$http_</link>”.
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1224 Необходимо иметь в виду, что поля заголовка запоминаются только из ответа
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1225 последнего сервера.
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1226 </tag-desc>
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1227
2139
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1228 <tag-name id="var_upstream_queue_time"><var>$upstream_queue_time</var></tag-name>
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1229 <tag-desc>
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1230 хранит время, проведённое запросом в <link id="queue">очереди</link>
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1231 (1.13.9);
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1232 время хранится в секундах с точностью до миллисекунд.
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1233 Времена нескольких ответов
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1234 разделяются запятыми и двоеточиями подобно адресам в переменной
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1235 <link id="var_upstream_addr">$upstream_addr</link>.
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1236 </tag-desc>
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1237
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1238 <tag-name id="var_upstream_response_length"><var>$upstream_response_length</var>
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1239 </tag-name>
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1240 <tag-desc>
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1241 хранит длину ответа, полученного от сервера группы (0.7.27);
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1242 длина хранится в байтах.
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1243 Длины нескольких ответов
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1244 разделяются запятыми и двоеточиями подобно адресам в переменной
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1245 <link id="var_upstream_addr">$upstream_addr</link>.
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1246 </tag-desc>
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1247
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1248 <tag-name id="var_upstream_response_time"><var>$upstream_response_time</var>
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1249 </tag-name>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1250 <tag-desc>
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1251 хранит время, затраченное на получение ответа от сервера группы;
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1252 время хранится в секундах с точностью до миллисекунд.
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1253 Времена нескольких ответов
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1254 разделяются запятыми и двоеточиями подобно адресам в переменной
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1255 <link id="var_upstream_addr">$upstream_addr</link>.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1256 </tag-desc>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1257
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1258 <tag-name id="var_upstream_status"><var>$upstream_status</var></tag-name>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1259 <tag-desc>
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1260 хранит статус ответа, полученного от сервера группы.
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1261 Статусы нескольких ответов
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1262 разделяются запятыми и двоеточиями подобно адресам в переменной
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1263 <link id="var_upstream_addr">$upstream_addr</link>.
2062
7275c134ec67 Documented "no live upstreams" case for $upstream_status.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2058
diff changeset
1264 Если сервер не может быть выбран, то
7275c134ec67 Documented "no live upstreams" case for $upstream_status.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2058
diff changeset
1265 переменная хранит статус <http-status code="502" text="Bad Gateway"/>.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1266 </tag-desc>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1267
2113
180269c4a220 Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2097
diff changeset
1268 <tag-name id="var_upstream_trailer_"><var>$upstream_trailer_</var><value>имя</value></tag-name>
180269c4a220 Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2097
diff changeset
1269 <tag-desc>
180269c4a220 Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2097
diff changeset
1270 хранит поля из конца ответа,
180269c4a220 Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2097
diff changeset
1271 полученного от сервера группы (1.13.10).
180269c4a220 Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2097
diff changeset
1272 </tag-desc>
180269c4a220 Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2097
diff changeset
1273
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1274 </list>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1275 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1276
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1277 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1278
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1279 </module>