annotate xml/ru/docs/http/ngx_http_upstream_module.xml @ 1240:019f8273ee24

Upstream: translated the missing parts of the "server" directive. While here, unified some terminology.
author Yaroslav Zhuravlev <yar@nginx.com>
date Tue, 24 Jun 2014 16:46:28 +0400
parents 763db729e6a4
children 2246339a6a93
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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="6">
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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"/> и
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25 <link doc="ngx_http_memcached_module.xml" id="memcached_pass"/>.
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26 </para>
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27
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28 </section>
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29
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30
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31 <section id="example" name="Пример конфигурации">
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32
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33 <para>
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34 <example>
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35 upstream <emphasis>backend</emphasis> {
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36 server backend1.example.com weight=5;
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37 server backend2.example.com:8080;
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38 server unix:/tmp/backend3;
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39
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40 server backup1.example.com:8080 backup;
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41 server backup2.example.com:8080 backup;
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42 }
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43
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44 server {
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45 location / {
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46 proxy_pass http://<emphasis>backend</emphasis>;
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47 }
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48 }
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49 </example>
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50 </para>
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51
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52 </section>
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54
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55 <section id="directives" name="Директивы">
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56
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57 <directive name="upstream">
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58 <syntax block="yes"><value>название</value></syntax>
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59 <default/>
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60 <context>http</context>
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61
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62 <para>
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63 Описывает группу серверов.
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64 Серверы могут слушать на разных портах.
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65 Кроме того, можно одновременно использовать серверы,
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66 слушающие на TCP- и UNIX-сокетах.
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67 </para>
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68
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69 <para>
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70 Пример:
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71 <example>
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72 upstream backend {
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73 server backend1.example.com weight=5;
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74 server 127.0.0.1:8080 max_fails=3 fail_timeout=30s;
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75 server unix:/tmp/backend3;
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77 server backup1.example.com backup;
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78 }
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79 </example>
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80 </para>
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81
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82 <para>
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83 По умолчанию запросы распределяются по серверам циклически
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84 (в режиме round-robin) с учётом весов серверов.
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85 В вышеприведённом примере каждые 7 запросов будут распределены так:
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86 5 запросов на <literal>backend1.example.com</literal>
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87 и по одному запросу на второй и третий серверы.
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88 Если при попытке работы с сервером происходит ошибка, то запрос
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89 передаётся следующему серверу, и так далее до тех пор, пока не будут опробованы
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90 все работающие серверы.
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91 Если не удастся получить успешный ответ
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92 ни от одного из серверов, то клиенту будет возвращён результат работы
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93 с последним сервером.
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94 </para>
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95
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96 </directive>
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97
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98
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99 <directive name="server">
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100 <syntax><value>адрес</value> [<value>параметры</value>]</syntax>
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101 <default/>
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102 <context>upstream</context>
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103
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104 <para>
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105 Задаёт <value>адрес</value> и другие <value>параметры</value>
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106 сервера.
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107 Адрес может быть указан в виде доменного имени или IP-адреса,
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108 и необязательного порта, или в виде пути UNIX-сокета, который
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109 указывается после префикса “<literal>unix:</literal>”.
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110 Если порт не указан, используется порт 80.
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111 Доменное имя, которому соответствует несколько IP-адресов,
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112 задаёт сразу несколько серверов.
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113 </para>
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114
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115 <para>
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116 Могут быть заданы следующие параметры:
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117 <list type="tag">
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118
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119 <tag-name><literal>weight</literal>=<value>число</value></tag-name>
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120 <tag-desc>
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121 задаёт вес сервера, по умолчанию 1.
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122 </tag-desc>
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123
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124 <tag-name><literal>max_fails</literal>=<value>число</value></tag-name>
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125 <tag-desc>
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126 задаёт число неудачных попыток работы с сервером, которые должны произойти
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127 в течение времени, заданного параметром <literal>fail_timeout</literal>,
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128 чтобы сервер считался недоступным на период времени, также заданный
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129 параметром <literal>fail_timeout</literal>.
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130 По умолчанию число попыток устанавливается равным 1.
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131 Нулевое значение отключает учёт попыток.
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132 Что считается неудачной попыткой, определяется директивами
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133 <link doc="ngx_http_proxy_module.xml" id="proxy_next_upstream"/>,
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134 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_next_upstream"/>,
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135 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_next_upstream"/>,
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136 <link doc="ngx_http_scgi_module.xml" id="scgi_next_upstream"/> и
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137 <link doc="ngx_http_memcached_module.xml" id="memcached_next_upstream"/>.
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138 </tag-desc>
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139
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140 <tag-name><literal>fail_timeout</literal>=<value>время</value></tag-name>
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141 <tag-desc>
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142 задаёт
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143 <list type="bullet">
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144
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145 <listitem>
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146 время, в течение которого должно произойти заданное число неудачных
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147 попыток работы с сервером для того, чтобы сервер считался недоступным;
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148 </listitem>
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149
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150 <listitem>
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151 и время, в течение которого сервер будет считаться недоступным.
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152 </listitem>
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153
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154 </list>
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155 По умолчанию параметр равен 10 секундам.
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156 </tag-desc>
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157
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158 <tag-name><literal>backup</literal></tag-name>
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159 <tag-desc>
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160 помечает сервер как запасной сервер.
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161 На него будут передаваться запросы в случае, если не работают основные серверы.
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162 </tag-desc>
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163
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164 <tag-name><literal>down</literal></tag-name>
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165 <tag-desc>
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166 помечает сервер как постоянно недоступный; используется
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167 совместно с директивой <link id="ip_hash"/>.
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168 </tag-desc>
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169
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170 </list>
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171 </para>
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172
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173 <para>
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174 Кроме того,
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175 следующие параметры доступны как часть
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176 <commercial_version>коммерческой подписки</commercial_version>:
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177 <list type="tag">
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178
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179 <tag-name id="max_conns">
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180 <literal>max_conns</literal>=<value>число</value>
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181 </tag-name>
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182 <tag-desc>
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183 ограничивает максимальное <value>число</value> одновременных соединений
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184 к проксируемому серверу (1.5.9).
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185 Значение по умолчанию равно 0 и означает, что ограничения нет.
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186 </tag-desc>
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187
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188 <tag-name id="resolve">
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189 <literal>resolve</literal>
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190 </tag-name>
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191 <tag-desc>
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192 отслеживает изменения IP-адресов, соответствующих доменному имени сервера,
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193 и автоматически изменяет конфигурацию группы
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194 без необходимости перезапуска nginx (1.5.12).
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195 <para>
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196 Для работы этого параметра
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197 директива <link doc="ngx_http_core_module.xml" id="resolver"/>
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198 должна быть задана в блоке
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199 <link doc="ngx_http_core_module.xml" id="http"/>.
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200 Пример:
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201 <example>
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202 http {
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203 resolver 10.0.0.1;
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204
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205 upstream u {
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206 zone ...;
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207 ...
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208 server example.com resolve;
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209 }
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210 }
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211 </example>
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212 </para>
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213 </tag-desc>
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214
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215 <tag-name><literal>route</literal>=<value>строка</value></tag-name>
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216 <tag-desc>
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217 задаёт имя маршрута к серверу.
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218 </tag-desc>
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219
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220 <tag-name><literal>slow_start</literal>=<value>время</value></tag-name>
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221 <tag-desc>
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222 задаёт <value>время</value>, в течение которого вес сервера
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223 восстановится от нуля до своего номинального значения в ситуации, когда
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224 неработоспособный (unhealthy) сервер вновь становится работоспособным
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225 (<link id="health_check">healthy</link>)
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226 или когда сервер становится доступным по прошествии времени,
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227 в течение которого он считался недоступным.
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228 Значение по умолчанию равно нулю и означает, что медленный старт выключен.
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229 </tag-desc>
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230
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231 </list>
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232 </para>
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233
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234 <para>
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235 <note>
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236 Если в группе только один сервер, параметры <literal>max_fails</literal>,
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237 <literal>fail_timeout</literal> и <literal>slow_start</literal>
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238 игнорируются и такой сервер никогда не будет считаться недоступным.
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239 </note>
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240 </para>
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241
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242 </directive>
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243
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244
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245 <directive name="zone">
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246 <syntax><value>имя</value> <value>размер</value></syntax>
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247 <default/>
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248 <context>upstream</context>
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249
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250 <para>
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251 Задаёт <value>имя</value> и <value>размер</value> зоны разделяемой памяти,
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252 в которой хранятся конфигурация группы и рабочее состояние,
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253 разделяемые между рабочими процессами.
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254 В таких группах возможно изменение состава группы или
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255 настроек отдельных серверов без необходимости перезапуска nginx.
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256 Конфигурация доступна через специальный location,
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257 для которого указана директива <link id="upstream_conf"/>.
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258 </para>
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259
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260 <para>
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261 <note>
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262 Эта директива доступна как часть
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263 <commercial_version>коммерческой подписки</commercial_version>.
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264 </note>
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265 </para>
9a9aa8e9d12c Rephrased the "zone" directive, translated into Russian.
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parents: 1122
diff changeset
266
9a9aa8e9d12c Rephrased the "zone" directive, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1122
diff changeset
267 </directive>
9a9aa8e9d12c Rephrased the "zone" directive, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1122
diff changeset
268
9a9aa8e9d12c Rephrased the "zone" directive, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1122
diff changeset
269
1230
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diff changeset
270 <directive name="hash">
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diff changeset
271 <syntax><value>ключ</value> [<literal>consistent</literal>]</syntax>
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parents: 1194
diff changeset
272 <default/>
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
273 <context>upstream</context>
6cc809881694 Upstream: added the "hash" directive.
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parents: 1194
diff changeset
274 <appeared-in>1.7.2</appeared-in>
6cc809881694 Upstream: added the "hash" directive.
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parents: 1194
diff changeset
275
6cc809881694 Upstream: added the "hash" directive.
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parents: 1194
diff changeset
276 <para>
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parents: 1194
diff changeset
277 Задаёт метод балансировки нагрузки для группы, при котором
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
278 соответствие клиента серверу определяется при помощи
6cc809881694 Upstream: added the "hash" directive.
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parents: 1194
diff changeset
279 хэшированного значения <value>ключа</value>.
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parents: 1194
diff changeset
280 В качестве <value>ключа</value> может использоваться
6cc809881694 Upstream: added the "hash" directive.
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parents: 1194
diff changeset
281 текст, переменные и их комбинации.
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parents: 1194
diff changeset
282 Следует отметить, что любое добавление или удаление серверов в группе
6cc809881694 Upstream: added the "hash" directive.
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parents: 1194
diff changeset
283 может привести к перераспределению большинства ключей на другие серверы.
6cc809881694 Upstream: added the "hash" directive.
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parents: 1194
diff changeset
284 Метод совместим с библиотекой Perl
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
285 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached">Cache::Memcached</link>.
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parents: 1194
diff changeset
286 </para>
6cc809881694 Upstream: added the "hash" directive.
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parents: 1194
diff changeset
287
6cc809881694 Upstream: added the "hash" directive.
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diff changeset
288 <para>
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diff changeset
289 Если задан параметр <literal>consistent</literal>, то вместо
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
290 вышеописанного метода будет использоваться метод консистентного хэширования
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
291 <link url="http://www.last.fm/user/RJ/journal/2007/04/10/392555/">ketama</link>.
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parents: 1194
diff changeset
292 Метод гарантирует, что при добавлении сервера в группу или его удалении
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
293 на другие серверы будет перераспределено минимальное число ключей.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
294 Применение метода для кэширующих серверов обеспечивает
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
295 больший процент попаданий в кэш.
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parents: 1194
diff changeset
296 Метод совместим с библиотекой Perl
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parents: 1194
diff changeset
297 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached%3A%3AFast">Cache::Memcached::Fast</link>
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parents: 1194
diff changeset
298 при значении параметра <value>ketama_points</value> равным 160.
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parents: 1194
diff changeset
299 </para>
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
300
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
301 </directive>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
302
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
303
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
304 <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
305 <syntax/>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 79
diff changeset
306 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
307 <context>upstream</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
308
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
309 <para>
533
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
310 Задаёт для группы метод балансировки нагрузки, при котором запросы
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
311 распределяются по серверам на основе IP-адресов клиентов.
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
312 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
313 октета IPv4-адреса клиента или IPv6-адрес клиента целиком.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
314 Метод гарантирует, что запросы одного и того же клиента
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
315 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
316 Если же этот сервер будет считаться недоступным,
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
317 то запросы этого клиента будут передаваться на другой сервер.
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
318 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
319 <note>
566
f8148fc88224 Documented 1.2.2 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 542
diff changeset
320 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
321 </note>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
322 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
323
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
324 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
325 Если один из серверов нужно убрать на некоторое время, то для сохранения
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
326 текущего хэширования IP-адресов клиентов этот сервер нужно пометить
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
327 параметром <literal>down</literal>.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
328 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
329
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
330 <para>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
331 Пример:
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
332 <example>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
333 upstream backend {
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
334 ip_hash;
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
335
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
336 server backend1.example.com;
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
337 server backend2.example.com;
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
338 server backend3.example.com <emphasis>down</emphasis>;
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
339 server backend4.example.com;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
340 }
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
341 </example>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
342 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
343
526
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
344 <para>
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
345 <note>
566
f8148fc88224 Documented 1.2.2 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 542
diff changeset
346 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
347 <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
348 </note>
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
349 </para>
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
350
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
351 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
352
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
353
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
354 <directive name="keepalive">
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
355 <syntax><value>соединения</value></syntax>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
356 <default/>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
357 <context>upstream</context>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
358 <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
359
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
360 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
361 Задействует кэш соединений для группы серверов.
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
362 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
363
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
364 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
365 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
366 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
367 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
368 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
369 закрываются.
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
370 <note>
654
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
371 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
372 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
373 рабочие процессы nginx могут открыть.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
374 Параметр <value>соединения</value> следует устанавливать достаточно
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
375 консервативно, чтобы серверы группы по-прежнему могли обрабатывать
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
376 новые входящие соединения.
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
377 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
378 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
379
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
380 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
381 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
382 <example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
383 upstream memcached_backend {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
384 server 127.0.0.1:11211;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
385 server 10.0.0.2:11211;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
386
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
387 keepalive 32;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
388 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
389
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
390 server {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
391 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
392
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
393 location /memcached/ {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
394 set $memcached_key $uri;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
395 memcached_pass memcached_backend;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
396 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
397
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
398 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
399 </example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
400 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
401
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
402 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
403 Для HTTP директиву
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
404 <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
405 следует установить в “<literal>1.1</literal>”,
367
f4033b9bc4ec - Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents: 325
diff changeset
406 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
407 <example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
408 upstream http_backend {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
409 server 127.0.0.1:8080;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
410
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
411 keepalive 16;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
412 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
413
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
414 server {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
415 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
416
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
417 location /http/ {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
418 proxy_pass http://http_backend;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
419 proxy_http_version 1.1;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
420 proxy_set_header Connection "";
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
421 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
422 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
423 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
424 </example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
425 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
426
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
427 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
428 <note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
429 Хоть это и не рекомендуется, но также возможно использование постоянных
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
430 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
431 <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
432 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
433 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
434
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
435 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
436 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
437 включить директиву
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
438 <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
439 <example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
440 upstream fastcgi_backend {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
441 server 127.0.0.1:9000;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
442
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
443 keepalive 8;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
444 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
445
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
446 server {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
447 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
448
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
449 location /fastcgi/ {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
450 fastcgi_pass fastcgi_backend;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
451 fastcgi_keep_conn on;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
452 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
453 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
454 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
455 </example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
456 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
457
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
458 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
459 <note>
533
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
460 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
461 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
462 директивы <literal>keepalive</literal>.
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
463 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
464
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
465 <note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
466 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
467 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
468 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
469
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
470 </directive>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
471
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
472
1125
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
473 <directive name="least_conn">
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
474 <syntax/>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
475 <default/>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
476 <context>upstream</context>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
477 <appeared-in>1.3.1</appeared-in>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
478 <appeared-in>1.2.2</appeared-in>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
479
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
480 <para>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
481 Задаёт для группы метод балансировки нагрузки, при котором запрос
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
482 передаётся серверу с наименьшим числом активных соединений,
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
483 с учётом весов серверов.
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
484 Если подходит сразу несколько серверов, они выбираются циклически
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
485 (в режиме round-robin) с учётом их весов.
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
486 </para>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
487
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
488 </directive>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
489
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
490
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
491 <directive name="queue">
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
492 <syntax>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
493 <value>число</value>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
494 [<literal>timeout</literal>=<value>время</value>]</syntax>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
495 <default/>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
496 <context>upstream</context>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
497 <appeared-in>1.5.12</appeared-in>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
498
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
499 <para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
500 Если при обработке запроса невозможно сразу выбрать сервер группы
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
501 и в группе есть серверы, у которых число соединений достигло
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
502 ограничения <link id="max_conns"/>,
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
503 запрос будет помещён в очередь.
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
504 Директива задаёт максимальное число запросов, которые могут одновременно
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
505 находиться в очереди.
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
506 Если очередь переполнена
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
507 или за время, задаваемое параметром <literal>timeout</literal>,
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
508 так и не удастся выбрать сервер для передачи ему запроса,
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
509 клиенту будет возвращена ошибка.
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
510 </para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
511
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
512 <para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
513 По умолчанию параметр <literal>timeout</literal> равен 60 секундам.
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
514 </para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
515
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
516 <para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
517 <note>
1128
1594ed379f1f De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents: 1127
diff changeset
518 Эта директива доступна как часть
1594ed379f1f De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents: 1127
diff changeset
519 <commercial_version>коммерческой подписки</commercial_version>.
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
520 </note>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
521 </para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
522
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
523 </directive>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
524
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
525
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
526 <directive name="sticky">
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
527 <syntax><literal>cookie</literal> <value>имя</value>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
528 [<literal>expires=</literal><value>время</value>]
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
529 [<literal>domain=</literal><value>домен</value>]
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
530 [<literal>path=</literal><value>путь</value>]</syntax>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
531 <syntax><literal>route</literal> <value>переменная</value> ...</syntax>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
532 <default/>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
533 <context>upstream</context>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
534 <appeared-in>1.5.7</appeared-in>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
535
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
536 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
537 Включает режим привязки сеансов, в котором запросы клиента
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
538 будут передаваться на один и тот же сервер группы.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
539 Доступны два метода:
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
540 <literal>cookie</literal> и <literal>route</literal>.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
541 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
542
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
543 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
544 При использовании метода <literal>cookie</literal> информация о
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
545 назначенном сервере передаётся в HTTP-куке:
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
546 <example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
547 upstream backend {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
548 server backend1.example.com;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
549 server backend2.example.com;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
550
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
551 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
552 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
553 </example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
554 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
555
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
556 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
557 Запрос от клиента, ещё не привязанного к определённому серверу,
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
558 передаётся на сервер, выбранный согласно настроенному методу балансировки.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
559 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
560 Если назначенный сервер не может обработать запрос, выбирается новый
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
561 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
562 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
563
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
564 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
565 Первый параметр задаёт имя куки, которую необходимо установить или проверить.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
566 Дополнительные параметры могут быть следующими:
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
567 <list type="tag">
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
568
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
569 <tag-name><literal>expires</literal></tag-name>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
570 <tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
571 Задаёт время, в течение которого браузеру необходимо хранить куку.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
572 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
573 31 декабря 2037 года 23:55:55 GMT.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
574 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
575 </tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
576
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
577 <tag-name><literal>domain</literal></tag-name>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
578 <tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
579 Задаёт домен, для которого устанавливается кука.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
580 </tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
581
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
582 <tag-name><literal>path</literal></tag-name>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
583 <tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
584 Задаёт путь, для которого устанавливается кука.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
585 </tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
586
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
587 </list>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
588 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
589 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
590
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
591 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
592 При использовании метода <literal>route</literal> проксируемый сервер назначает
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
593 клиенту маршрут по получении первого запроса.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
594 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
595 маршруте в куке или URI.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
596 Эта информация сравнивается с параметром “<literal>route</literal>” директивы
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
597 <link id="server"/> для идентификации сервера, на который
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
598 следует проксировать запрос.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
599 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
600 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
601 информации о маршруте.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
602 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
603
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
604 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
605 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
606 могут содержать информацию о маршруте.
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
607 Первая непустая переменная используется для поиска соответствующего сервера.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
608 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
609
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
610 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
611 Пример:
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
612 <example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
613 map $cookie_jsessionid $route_cookie {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
614 ~.+\.(?P&lt;route>\w+)$ $route;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
615 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
616
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
617 map $request_uri $route_uri {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
618 ~jsessionid=.+\.(?P&lt;route>\w+)$ $route;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
619 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
620
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
621 upstream backend {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
622 server backend1.example.com route=a;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
623 server backend2.example.com route=b;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
624
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
625 sticky route $route_cookie $route_uri;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
626 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
627 </example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
628 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
629 если она присутствует в запросе.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
630 В противном случае используется маршрут из URI.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
631 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
632
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
633 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
634 <note>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
635 Эта директива доступна как часть
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
636 <commercial_version>коммерческой подписки</commercial_version>.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
637 </note>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
638 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
639
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
640 </directive>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
641
1237
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
642
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
643 <directive name="sticky_cookie_insert">
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
644 <syntax><value>имя</value>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
645 [<literal>expires=</literal><value>время</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
646 [<literal>domain=</literal><value>домен</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
647 [<literal>path=</literal><value>путь</value>]</syntax>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
648 <default/>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
649 <context>upstream</context>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
650
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
651 <para>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
652 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
653 Вместо неё следует использовать аналогичную директиву
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
654 <link id="sticky"/> с изменённым синтаксисом:
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
655 <note>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
656 <literal>sticky cookie</literal> <value>имя</value>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
657 [<literal>expires=</literal><value>время</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
658 [<literal>domain=</literal><value>домен</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
659 [<literal>path=</literal><value>путь</value>];
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
660 </note>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
661 </para>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
662
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
663 </directive>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
664
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
665 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
666
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
667
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
668 <section id="variables" name="Встроенные переменные">
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
669
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
670 <para>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
671 Модуль <literal>ngx_http_upstream_module</literal>
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
672 поддерживает следующие встроенные переменные:
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
673 <list type="tag">
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
674
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
675 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
676 <tag-desc>
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
677 хранит IP-адрес и порт сервера или путь к UNIX-сокету.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
678 Если при обработке запроса были сделаны обращения к нескольким серверам,
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
679 то их адреса разделяются запятой, например,
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
680 “<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
681 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
682 с помощью
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
683 <header>X-Accel-Redirect</header> или
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
684 <link doc="ngx_http_core_module.xml" id="error_page"/>,
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
685 то адреса, соответствующие разным группам серверов, разделяются двоеточием,
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
686 например,
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
687 “<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>”.
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
688 </tag-desc>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
689
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
690 <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
691 </tag-name>
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
692 <tag-desc>
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
693 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
694 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
695 “<literal>BYPASS</literal>”, “<literal>EXPIRED</literal>”,
1016
2d8269d8fea8 Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
696 “<literal>STALE</literal>”, “<literal>UPDATING</literal>”,
2d8269d8fea8 Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
697 “<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
698 </tag-desc>
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
699
1186
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
700 <tag-name id="var_upstream_cookie_"><var>$upstream_cookie_</var><value>имя</value></tag-name>
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
701 <tag-desc>
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
702 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
703 в поле <header>Set-Cookie</header> заголовка ответа (1.7.1).
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
704 Необходимо иметь в виду, что запоминаются поля заголовка только из ответа
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
705 последнего сервера.
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
706 </tag-desc>
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
707
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
708 <tag-name id="var_upstream_response_length"><var>$upstream_response_length</var>
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
709 </tag-name>
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
710 <tag-desc>
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
711 хранит длины ответов, полученных от серверов группы (0.7.27);
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
712 длины хранятся в байтах.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
713 Длины нескольких ответов разделяются запятыми и двоеточиями
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
714 подобно адресам в переменной <var>$upstream_addr</var>.
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
715 </tag-desc>
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
716
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
717 <tag-name id="var_upstream_response_time"><var>$upstream_response_time</var>
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
718 </tag-name>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
719 <tag-desc>
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
720 хранит времена ответов, полученных от серверов группы;
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
721 времена хранятся в секундах с точностью до миллисекунд.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
722 Времена нескольких ответов разделяются запятыми и двоеточиями
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
723 подобно адресам в переменной <var>$upstream_addr</var>.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
724 </tag-desc>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
725
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
726 <tag-name id="var_upstream_status"><var>$upstream_status</var></tag-name>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
727 <tag-desc>
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
728 хранит коды ответов, полученных от серверов группы.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
729 Коды нескольких ответов разделяются запятыми и двоеточиями
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
730 подобно адресам в переменной <var>$upstream_addr</var>.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
731 </tag-desc>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
732
1186
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
733 <tag-name id="var_upstream_http_"><var>$upstream_http_</var><value>имя</value></tag-name>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
734 <tag-desc>
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
735 хранят поля заголовка ответа сервера.
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
736 Например, поле заголовка ответа <header>Server</header>
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
737 доступно в переменной <var>$upstream_http_server</var>.
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
738 Правила преобразования имён полей заголовка ответа в имена переменных
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
739 такие же, как для переменных с префиксом
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
740 “<link doc="ngx_http_core_module.xml" id="variables">$http_</link>”.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
741 Необходимо иметь в виду, что запоминаются поля заголовка только из ответа
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
742 последнего сервера.
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
743 </tag-desc>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
744
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
745 </list>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
746 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
747
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
748 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
749
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
750 </module>