Mercurial > hg > nginx-site
annotate xml/ru/docs/http/ngx_http_upstream_module.xml @ 2438:86b0dd6e7208
Updated API version in njs examples.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Thu, 03 Oct 2019 13:53:34 +0300 |
parents | a1f61586779b |
children | a26a42699207 |
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222
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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 |
292 | 10 <module name="Модуль ngx_http_upstream_module" |
135
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11 link="/ru/docs/http/ngx_http_upstream_module.html" |
589 | 12 lang="ru" |
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13 rev="81"> |
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14 |
110
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15 <section id="summary"> |
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16 |
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17 <para> |
292 | 18 Модуль <literal>ngx_http_upstream_module</literal> |
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"/>, |
1181 | 22 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass"/>, |
1194 | 23 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_pass"/>, |
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24 <link doc="ngx_http_scgi_module.xml" id="scgi_pass"/>, |
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25 <link doc="ngx_http_memcached_module.xml" id="memcached_pass"/> и |
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26 <link doc="ngx_http_grpc_module.xml" id="grpc_pass"/>. |
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27 </para> |
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28 |
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29 </section> |
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30 |
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31 |
292 | 32 <section id="example" name="Пример конфигурации"> |
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33 |
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34 <para> |
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35 <example> |
292 | 36 upstream <emphasis>backend</emphasis> { |
37 server backend1.example.com weight=5; | |
38 server backend2.example.com:8080; | |
39 server unix:/tmp/backend3; | |
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40 |
292 | 41 server backup1.example.com:8080 backup; |
42 server backup2.example.com:8080 backup; | |
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43 } |
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44 |
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45 server { |
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46 location / { |
292 | 47 proxy_pass http://<emphasis>backend</emphasis>; |
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48 } |
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49 } |
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50 </example> |
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51 </para> |
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52 |
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53 <para> |
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54 Динамически настраиваемая группа |
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55 с периодическими |
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56 <link doc="ngx_http_upstream_hc_module.xml">проверками работоспособности</link> |
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57 доступна как часть |
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58 <commercial_version>коммерческой подписки</commercial_version>: |
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59 <example> |
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60 resolver 10.0.0.1; |
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61 |
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62 upstream <emphasis>dynamic</emphasis> { |
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63 zone upstream_dynamic 64k; |
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64 |
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65 server backend1.example.com weight=5; |
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66 server backend2.example.com:8080 fail_timeout=5s slow_start=30s; |
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67 server 192.0.2.1 max_fails=3; |
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68 server backend3.example.com resolve; |
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69 server backend4.example.com service=http resolve; |
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70 |
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71 server backup1.example.com:8080 backup; |
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72 server backup2.example.com:8080 backup; |
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73 } |
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74 |
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75 server { |
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76 location / { |
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77 proxy_pass http://<emphasis>dynamic</emphasis>; |
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78 health_check; |
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79 } |
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80 } |
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81 </example> |
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82 </para> |
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83 |
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84 </section> |
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85 |
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86 |
292 | 87 <section id="directives" name="Директивы"> |
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88 |
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89 <directive name="upstream"> |
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90 <syntax block="yes"><value>название</value></syntax> |
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91 <default/> |
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92 <context>http</context> |
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93 |
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94 <para> |
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95 Описывает группу серверов. |
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96 Серверы могут слушать на разных портах. |
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97 Кроме того, можно одновременно использовать серверы, |
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98 слушающие на TCP- и UNIX-сокетах. |
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99 </para> |
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100 |
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101 <para> |
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102 Пример: |
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103 <example> |
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104 upstream backend { |
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105 server backend1.example.com weight=5; |
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106 server 127.0.0.1:8080 max_fails=3 fail_timeout=30s; |
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107 server unix:/tmp/backend3; |
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108 |
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109 server backup1.example.com backup; |
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110 } |
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111 </example> |
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112 </para> |
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113 |
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114 <para> |
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115 По умолчанию запросы распределяются по серверам циклически |
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116 (в режиме round-robin) с учётом весов серверов. |
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117 В вышеприведённом примере каждые 7 запросов будут распределены так: |
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118 5 запросов на <literal>backend1.example.com</literal> |
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119 и по одному запросу на второй и третий серверы. |
966 | 120 Если при попытке работы с сервером происходит ошибка, то запрос |
121 передаётся следующему серверу, и так далее до тех пор, пока не будут опробованы | |
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122 все работающие серверы. |
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123 Если не удастся получить успешный ответ |
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124 ни от одного из серверов, то клиенту будет возвращён результат работы |
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125 с последним сервером. |
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126 </para> |
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127 |
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128 </directive> |
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129 |
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130 |
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131 <directive name="server"> |
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132 <syntax><value>адрес</value> [<value>параметры</value>]</syntax> |
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133 <default/> |
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134 <context>upstream</context> |
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135 |
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136 <para> |
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137 Задаёт <value>адрес</value> и другие <value>параметры</value> |
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138 сервера. |
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139 Адрес может быть указан в виде доменного имени или IP-адреса, |
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140 и необязательного порта, или в виде пути UNIX-сокета, который |
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141 указывается после префикса “<literal>unix:</literal>”. |
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142 Если порт не указан, используется порт 80. |
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143 Доменное имя, которому соответствует несколько IP-адресов, |
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144 задаёт сразу несколько серверов. |
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145 </para> |
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146 |
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147 <para> |
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148 Могут быть заданы следующие параметры: |
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149 <list type="tag"> |
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150 |
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151 <tag-name id="weight"> |
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152 <literal>weight</literal>=<value>число</value> |
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153 </tag-name> |
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154 <tag-desc> |
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155 задаёт вес сервера, по умолчанию 1. |
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156 </tag-desc> |
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157 |
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158 <tag-name id="max_conns"> |
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159 <literal>max_conns</literal>=<value>число</value> |
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160 </tag-name> |
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161 <tag-desc> |
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162 ограничивает максимальное <value>число</value> одновременных активных |
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163 соединений к проксируемому серверу (1.11.5). |
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164 Значение по умолчанию равно 0 и означает, что ограничения нет. |
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165 Если группа не находится в <link id="zone">зоне разделяемой памяти</link>, |
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166 то ограничение работает отдельно для каждого рабочего процесса. |
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167 <note> |
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168 При включённых <link id="keepalive">неактивных постоянных</link> соединениях, |
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169 нескольких |
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170 <link doc="../ngx_core_module.xml" id="worker_processes">рабочих процессах</link> |
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171 и <link id="zone">зоне разделяемой памяти</link>, |
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172 суммарное число активных и неактивных соединений с проксируемым сервером |
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173 может превышать значение <literal>max_conns</literal>. |
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174 </note> |
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175 <note> |
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176 Начиная с версии 1.5.9 и до версии 1.11.5 |
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177 этот параметр был доступен как часть |
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178 <commercial_version>коммерческой подписки</commercial_version>. |
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179 </note> |
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180 </tag-desc> |
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181 |
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182 <tag-name id="max_fails"> |
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183 <literal>max_fails</literal>=<value>число</value> |
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184 </tag-name> |
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185 <tag-desc> |
966 | 186 задаёт число неудачных попыток работы с сервером, которые должны произойти |
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187 в течение времени, заданного параметром <literal>fail_timeout</literal>, |
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188 чтобы сервер считался недоступным на период времени, также заданный |
966 | 189 параметром <literal>fail_timeout</literal>. |
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190 По умолчанию число попыток устанавливается равным 1. |
966 | 191 Нулевое значение отключает учёт попыток. |
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192 Что считается неудачной попыткой, определяется директивами |
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193 <link doc="ngx_http_proxy_module.xml" id="proxy_next_upstream"/>, |
1181 | 194 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_next_upstream"/>, |
1194 | 195 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_next_upstream"/>, |
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196 <link doc="ngx_http_scgi_module.xml" id="scgi_next_upstream"/>, |
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197 <link doc="ngx_http_memcached_module.xml" id="memcached_next_upstream"/> и |
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198 <link doc="ngx_http_grpc_module.xml" id="grpc_next_upstream"/>. |
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199 </tag-desc> |
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200 |
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201 <tag-name id="fail_timeout"> |
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202 <literal>fail_timeout</literal>=<value>время</value> |
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203 </tag-name> |
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204 <tag-desc> |
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205 задаёт |
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206 <list type="bullet"> |
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207 |
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208 <listitem> |
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209 время, в течение которого должно произойти заданное число неудачных |
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210 попыток работы с сервером для того, чтобы сервер считался недоступным; |
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211 </listitem> |
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212 |
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213 <listitem> |
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214 и время, в течение которого сервер будет считаться недоступным. |
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215 </listitem> |
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216 |
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217 </list> |
966 | 218 По умолчанию параметр равен 10 секундам. |
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219 </tag-desc> |
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220 |
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221 <tag-name id="backup"> |
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222 <literal>backup</literal> |
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223 </tag-name> |
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224 <tag-desc> |
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225 помечает сервер как запасной сервер. |
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226 На него будут передаваться запросы в случае, если не работают основные серверы. |
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227 <note> |
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228 Параметр нельзя использовать совместно с |
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229 методами балансировки нагрузки |
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230 <link id="hash"/>, <link id="ip_hash"/> и <link id="random"/>. |
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231 </note> |
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232 </tag-desc> |
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233 |
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234 <tag-name id="down"> |
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235 <literal>down</literal> |
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236 </tag-name> |
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237 <tag-desc> |
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238 помечает сервер как постоянно недоступный. |
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239 </tag-desc> |
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240 |
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241 </list> |
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242 </para> |
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243 |
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244 <para> |
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245 Кроме того, |
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246 следующие параметры доступны как часть |
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247 <commercial_version>коммерческой подписки</commercial_version>: |
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248 <list type="tag"> |
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249 |
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250 <tag-name id="resolve"> |
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251 <literal>resolve</literal> |
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252 </tag-name> |
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253 <tag-desc> |
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254 отслеживает изменения IP-адресов, соответствующих доменному имени сервера, |
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255 и автоматически изменяет конфигурацию группы |
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256 без необходимости перезапуска nginx (1.5.12). |
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257 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>. |
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258 <para> |
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259 Для работы этого параметра |
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260 директива <link doc="ngx_http_core_module.xml" id="resolver"/> |
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261 должна быть задана в блоке |
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262 <link doc="ngx_http_core_module.xml" id="http"/>. |
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263 Пример: |
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264 <example> |
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265 http { |
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266 resolver 10.0.0.1; |
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267 |
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268 upstream u { |
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269 zone ...; |
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270 ... |
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271 server example.com resolve; |
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272 } |
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273 } |
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274 </example> |
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275 </para> |
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276 </tag-desc> |
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277 |
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278 <tag-name id="route"> |
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279 <literal>route</literal>=<value>строка</value> |
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280 </tag-name> |
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281 <tag-desc> |
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282 задаёт имя маршрута к серверу. |
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283 </tag-desc> |
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284 |
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285 <tag-name id="service"> |
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286 <literal>service</literal>=<value>имя</value> |
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287 </tag-name> |
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288 <tag-desc> |
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289 включает преобразование |
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290 <link url="https://tools.ietf.org/html/rfc2782">SRV</link>-записей |
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291 DNS и задаёт <value>имя</value> сервиса (1.9.13). |
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292 Для работы параметра необходимо указать |
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293 параметр <link id="resolve"/> для сервера |
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294 и не указывать порт сервера. |
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295 <para> |
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296 Если имя сервиса не содержит точку (“<literal>.</literal>”), то |
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297 имя составляется в соответствии с |
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298 <link url="https://tools.ietf.org/html/rfc2782">RFC</link> |
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299 и в префикс службы добавляется протокол TCP. |
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300 Например, для получения |
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301 SRV-записи <literal>_http._tcp.backend.example.com</literal> |
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302 необходимо указать директиву: |
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303 <example> |
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304 server backend.example.com service=http resolve; |
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305 </example> |
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306 Если имя сервиса содержит одну и более точек, то имя составляется |
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307 при помощи соединения префикса службы и имени сервера. |
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308 Например, для получения SRV-записей |
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309 <literal>_http._tcp.backend.example.com</literal> |
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310 и <literal>server1.backend.example.com</literal> |
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311 необходимо указать директивы: |
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312 <example> |
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313 server backend.example.com service=_http._tcp resolve; |
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314 server example.com service=server1.backend resolve; |
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315 </example> |
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316 </para> |
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317 |
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318 <para> |
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319 SRV-записи с наивысшим приоритетом |
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320 (записи с одинаковым наименьшим значением приоритета) |
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321 преобразуются в основные серверы, |
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322 остальные SRV-записи преобразуются в запасные серверы. |
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323 Если в конфигурации сервера указан параметр <link id="backup"/>, |
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324 высокоприоритетные SRV-записи преобразуются в запасные серверы, |
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325 остальные SRV-записи игнорируются. |
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326 </para> |
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327 </tag-desc> |
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328 |
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329 <tag-name id="slow_start"> |
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330 <literal>slow_start</literal>=<value>время</value> |
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331 </tag-name> |
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332 <tag-desc> |
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333 задаёт <value>время</value>, в течение которого вес сервера |
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334 восстановится от нуля до своего номинального значения в ситуации, когда |
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335 неработоспособный (unhealthy) сервер вновь становится работоспособным |
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336 (<link doc="ngx_http_upstream_hc_module.xml" id="health_check">healthy</link>) |
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337 или когда сервер становится доступным по прошествии времени, |
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338 в течение которого он считался <link id="fail_timeout">недоступным</link>. |
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339 Значение по умолчанию равно нулю и означает, что медленный старт выключен. |
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340 <note> |
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341 Параметр нельзя использовать совместно с |
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342 методами балансировки нагрузки |
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343 <link id="hash"/>, <link id="ip_hash"/> и <link id="random"/>. |
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344 </note> |
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345 </tag-desc> |
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346 |
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347 <tag-name id="drain"> |
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348 <literal>drain</literal> |
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349 </tag-name> |
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350 <tag-desc> |
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351 переводит сервер в режим “draining” (1.13.6). |
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352 В этом режиме на сервер будут проксироваться только |
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353 <link id="sticky">привязанные</link> к нему запросы. |
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354 <note> |
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355 До версии 1.13.6 |
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356 параметр мог быть изменён только при помощи |
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357 модуля <link doc="ngx_http_api_module.xml">API</link>. |
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358 </note> |
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359 </tag-desc> |
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360 |
533
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361 </list> |
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362 </para> |
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363 |
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364 <para> |
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365 <note> |
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366 Если в группе только один сервер, параметры <literal>max_fails</literal>, |
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367 <literal>fail_timeout</literal> и <literal>slow_start</literal> |
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368 игнорируются и такой сервер никогда не будет считаться недоступным. |
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369 </note> |
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370 </para> |
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371 |
533
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372 </directive> |
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373 |
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374 |
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375 <directive name="zone"> |
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376 <syntax><value>имя</value> [<value>размер</value>]</syntax> |
1123
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377 <default/> |
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378 <context>upstream</context> |
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379 <appeared-in>1.9.0</appeared-in> |
1123
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380 |
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381 <para> |
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382 Задаёт <value>имя</value> и <value>размер</value> зоны разделяемой памяти, |
1243
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383 в которой хранятся конфигурация группы и её рабочее состояние, |
1123
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384 разделяемые между рабочими процессами. |
1495
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385 В одной и той же зоне могут быть сразу несколько групп. |
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386 В этом случае достаточно указать <value>размер</value> только один раз. |
1461
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387 </para> |
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388 |
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389 <para> |
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390 Дополнительно, как часть |
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391 <commercial_version>коммерческой подписки</commercial_version>, |
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|
392 в таких группах для изменения состава группы |
1243
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|
393 или настроек отдельных серверов |
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|
394 нет необходимости перезапускать nginx. |
2097
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|
395 Конфигурация доступна через |
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|
396 модуль <link doc="ngx_http_api_module.xml">API</link> (1.13.3). |
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397 <note> |
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|
398 До версии 1.13.3 |
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|
399 конфигурация была доступна только через специальный location, |
1450
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|
400 в котором указана директива |
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|
401 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf"/>. |
2097
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|
402 </note> |
1123
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|
403 </para> |
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|
404 |
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|
405 </directive> |
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|
406 |
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|
407 |
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|
408 <directive name="state"> |
1720
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|
409 <syntax><value>файл</value></syntax> |
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410 <default/> |
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411 <context>upstream</context> |
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|
412 <appeared-in>1.9.7</appeared-in> |
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|
413 |
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|
414 <para> |
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415 Задаёт <value>файл</value>, в котором хранится состояние |
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|
416 динамически настраиваемой группы. |
1809
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|
417 </para> |
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|
418 |
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|
419 <para> |
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|
420 Примеры: |
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|
421 <example> |
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|
422 state /var/lib/nginx/state/servers.conf; # путь для Linux |
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|
423 state /var/db/nginx/state/servers.conf; # путь для FreeBSD |
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|
424 </example> |
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|
425 </para> |
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|
426 |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
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|
427 <para> |
1636
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|
428 В данный момент состояние ограничено списком серверов с их параметрами. |
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|
429 Файл читается при парсинге конфигурации и обновляется каждый раз при |
2222
0974dc0a6209
Changed link from upstream_conf to api in "state".
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2197
diff
changeset
|
430 <link doc="ngx_http_api_module.xml" id="http_upstreams_http_upstream_name_servers_">изменении</link> |
1636
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|
431 конфигурации группы. |
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|
432 Изменение содержимого файла напрямую не рекомендуется. |
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|
433 Директиву нельзя использовать |
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|
434 совместно с директивой <link id="server"/>. |
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|
435 </para> |
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|
436 |
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|
437 <para> |
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|
438 <note> |
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|
439 Изменения, совершённые в момент |
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|
440 <link doc="../control.xml" id="reconfiguration">перезагрузки конфигурации</link> |
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|
441 или <link doc="../control.xml" id="upgrade">обновления бинарного файла</link>, |
44c4323144c5
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|
442 могут быть потеряны. |
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|
443 </note> |
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|
444 </para> |
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|
445 |
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|
446 <para> |
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|
447 <note> |
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|
448 Эта директива доступна как часть |
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|
449 <commercial_version>коммерческой подписки</commercial_version>. |
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|
450 </note> |
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|
451 </para> |
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|
452 |
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|
453 </directive> |
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|
454 |
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|
455 |
1230
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|
456 <directive name="hash"> |
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|
457 <syntax><value>ключ</value> [<literal>consistent</literal>]</syntax> |
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|
458 <default/> |
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|
459 <context>upstream</context> |
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|
460 <appeared-in>1.7.2</appeared-in> |
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|
461 |
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diff
changeset
|
462 <para> |
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changeset
|
463 Задаёт метод балансировки нагрузки для группы, при котором |
6cc809881694
Upstream: added the "hash" directive.
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diff
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|
464 соответствие клиента серверу определяется при помощи |
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|
465 хэшированного значения <value>ключа</value>. |
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|
466 В качестве <value>ключа</value> может использоваться |
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Upstream: added the "hash" directive.
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|
467 текст, переменные и их комбинации. |
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|
468 Следует отметить, что любое добавление или удаление серверов в группе |
6cc809881694
Upstream: added the "hash" directive.
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changeset
|
469 может привести к перераспределению большинства ключей на другие серверы. |
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Upstream: added the "hash" directive.
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diff
changeset
|
470 Метод совместим с библиотекой Perl |
2275
d93c8c32df75
Updated links to CPAN search interface.
Sergey Kandaurov <pluknet@nginx.com>
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2274
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|
471 <link url="https://metacpan.org/pod/Cache::Memcached">Cache::Memcached</link>. |
1230
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|
472 </para> |
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|
473 |
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changeset
|
474 <para> |
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diff
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|
475 Если задан параметр <literal>consistent</literal>, то вместо |
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changeset
|
476 вышеописанного метода будет использоваться метод консистентного хэширования |
2274
e28e3d0f0d20
Updated link in the "hash" directive.
Sergey Kandaurov <pluknet@nginx.com>
parents:
2230
diff
changeset
|
477 <link url="https://www.metabrew.com/article/libketama-consistent-hashing-algo-memcached-clients">ketama</link>. |
1230
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Upstream: added the "hash" directive.
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changeset
|
478 Метод гарантирует, что при добавлении сервера в группу или его удалении |
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changeset
|
479 на другие серверы будет перераспределено минимальное число ключей. |
6cc809881694
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parents:
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diff
changeset
|
480 Применение метода для кэширующих серверов обеспечивает |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
481 больший процент попаданий в кэш. |
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Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
482 Метод совместим с библиотекой Perl |
2275
d93c8c32df75
Updated links to CPAN search interface.
Sergey Kandaurov <pluknet@nginx.com>
parents:
2274
diff
changeset
|
483 <link url="https://metacpan.org/pod/Cache::Memcached::Fast">Cache::Memcached::Fast</link> |
1230
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|
484 при значении параметра <value>ketama_points</value> равным 160. |
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diff
changeset
|
485 </para> |
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diff
changeset
|
486 |
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diff
changeset
|
487 </directive> |
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diff
changeset
|
488 |
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diff
changeset
|
489 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
490 <directive name="ip_hash"> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
491 <syntax/> |
99
1d315ef37215
The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
492 <default/> |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
493 <context>upstream</context> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
494 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
495 <para> |
533
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
496 Задаёт для группы метод балансировки нагрузки, при котором запросы |
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
497 распределяются по серверам на основе IP-адресов клиентов. |
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
498 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
|
499 октета IPv4-адреса клиента или IPv6-адрес клиента целиком. |
292 | 500 Метод гарантирует, что запросы одного и того же клиента |
501 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
|
502 Если же этот сервер будет считаться недоступным, |
292 | 503 то запросы этого клиента будут передаваться на другой сервер. |
504 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
|
505 <note> |
566 | 506 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
|
507 </note> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
508 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
509 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
510 <para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
511 Если один из серверов нужно убрать на некоторое время, то для сохранения |
292 | 512 текущего хэширования IP-адресов клиентов этот сервер нужно пометить |
513 параметром <literal>down</literal>. | |
76
4a4caa566120
Russian documentation import.
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parents:
diff
changeset
|
514 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
515 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
516 <para> |
292 | 517 Пример: |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
518 <example> |
292 | 519 upstream backend { |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
520 ip_hash; |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
521 |
292 | 522 server backend1.example.com; |
523 server backend2.example.com; | |
524 server backend3.example.com <emphasis>down</emphasis>; | |
525 server backend4.example.com; | |
76
4a4caa566120
Russian documentation import.
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parents:
diff
changeset
|
526 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
527 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
528 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
529 |
526
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
530 <para> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
531 <note> |
566 | 532 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
|
533 <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
|
534 </note> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
535 </para> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
536 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
537 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
538 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
539 |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
540 <directive name="keepalive"> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
541 <syntax><value>соединения</value></syntax> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
542 <default/> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
543 <context>upstream</context> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
544 <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
|
545 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
546 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
547 Задействует кэш соединений для группы серверов. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
548 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
549 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
550 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
551 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
|
552 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
|
553 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
|
554 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
|
555 закрываются. |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
556 <note> |
654
841118e33f41
Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents:
589
diff
changeset
|
557 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
|
558 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
|
559 рабочие процессы nginx могут открыть. |
966 | 560 Параметр <value>соединения</value> следует устанавливать достаточно |
561 консервативно, чтобы серверы группы по-прежнему могли обрабатывать | |
562 новые входящие соединения. | |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
563 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
564 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
565 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
566 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
567 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
|
568 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
569 upstream memcached_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
570 server 127.0.0.1:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
571 server 10.0.0.2:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
572 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
573 keepalive 32; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
574 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
575 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
576 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
577 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
578 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
579 location /memcached/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
580 set $memcached_key $uri; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
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|
581 memcached_pass memcached_backend; |
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|
582 } |
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diff
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|
583 |
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|
584 } |
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|
585 </example> |
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|
586 </para> |
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|
587 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
588 <para> |
1fb1c077658b
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diff
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|
589 Для HTTP директиву |
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|
590 <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/> |
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|
591 следует установить в “<literal>1.1</literal>”, |
367
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
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diff
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|
592 а поле заголовка <header>Connection</header> — очистить: |
316
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diff
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|
593 <example> |
1fb1c077658b
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|
594 upstream http_backend { |
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diff
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|
595 server 127.0.0.1:8080; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
596 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
597 keepalive 16; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
598 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
599 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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changeset
|
600 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
601 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
602 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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changeset
|
603 location /http/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
604 proxy_pass http://http_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
605 proxy_http_version 1.1; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
606 proxy_set_header Connection ""; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
607 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
608 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
609 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
610 </example> |
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Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
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|
611 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
612 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
613 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
614 <note> |
1fb1c077658b
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292
diff
changeset
|
615 Хоть это и не рекомендуется, но также возможно использование постоянных |
966 | 616 соединений с HTTP/1.0, путём передачи поля заголовка |
316
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
617 <header>Connection: Keep-Alive</header> серверу группы. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
618 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
619 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
620 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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changeset
|
621 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
622 Для работы постоянных соединений с FastCGI-серверами потребуется |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
623 включить директиву |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
624 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_keep_conn"/>: |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
625 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
626 upstream fastcgi_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
627 server 127.0.0.1:9000; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
628 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
629 keepalive 8; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
630 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
631 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
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diff
changeset
|
632 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
633 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
634 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
635 location /fastcgi/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
636 fastcgi_pass fastcgi_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
637 fastcgi_keep_conn on; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
638 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
639 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
640 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
641 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
642 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
643 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
644 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
645 <note> |
533
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
646 При использовании методов балансировки нагрузки, отличных |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
647 от стандартного round-robin, следует активировать их до |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
648 директивы <literal>keepalive</literal>. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
649 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
650 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
651 <note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
652 Протоколы SCGI и uwsgi не определяют семантику постоянных соединений. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
653 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
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|
654 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
655 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
656 </directive> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
657 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
658 |
2223
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
659 <directive name="keepalive_requests"> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
660 <syntax><value>число</value></syntax> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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diff
changeset
|
661 <default>100</default> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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parents:
2222
diff
changeset
|
662 <context>upstream</context> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
663 <appeared-in>1.15.3</appeared-in> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
664 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
665 <para> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
666 Задаёт максимальное число запросов, которые можно |
2225
e2c3d17d0f58
Unified wording of upstream keepalive directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2223
diff
changeset
|
667 сделать по одному постоянному соединению. |
2223
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
668 После того как сделано максимальное число запросов, |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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parents:
2222
diff
changeset
|
669 соединение закрывается. |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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parents:
2222
diff
changeset
|
670 </para> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
671 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
672 </directive> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
673 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
674 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
675 <directive name="keepalive_timeout"> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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parents:
2222
diff
changeset
|
676 <syntax><value>таймаут</value></syntax> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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parents:
2222
diff
changeset
|
677 <default>60s</default> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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parents:
2222
diff
changeset
|
678 <context>upstream</context> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
679 <appeared-in>1.15.3</appeared-in> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
680 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
681 <para> |
2225
e2c3d17d0f58
Unified wording of upstream keepalive directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2223
diff
changeset
|
682 Задаёт таймаут, в течение которого неактивное постоянное |
2223
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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parents:
2222
diff
changeset
|
683 соединение с сервером группы не будет закрыто. |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
684 </para> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
685 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
686 </directive> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
687 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
688 |
1561
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
689 <directive name="ntlm"> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
1544
diff
changeset
|
690 <syntax/> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
1544
diff
changeset
|
691 <default/> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
1544
diff
changeset
|
692 <context>upstream</context> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
1544
diff
changeset
|
693 <appeared-in>1.9.2</appeared-in> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
694 |
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Updated docs for the upcoming NGINX Plus release.
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|
695 <para> |
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Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
696 Позволяет проксировать запросы с |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
697 <link url="https://en.wikipedia.org/wiki/Integrated_Windows_Authentication">проверкой |
ed420c318557
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diff
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|
698 подлинности NTLM</link>. |
1587
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|
699 Соединение с сервером группы привязывается к клиентскому соединению |
1561
ed420c318557
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parents:
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diff
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|
700 как только клиент отправляет запрос, в заголовке которого есть поле |
ed420c318557
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parents:
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diff
changeset
|
701 <header>Authorization</header> со значением, |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
1544
diff
changeset
|
702 начинающимся с “<literal>Negotiate</literal>” или “<literal>NTLM</literal>”. |
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Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
703 Последующие запросы клиента будут проксироваться через это же соединение |
ed420c318557
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diff
changeset
|
704 с сервером группы, |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
1544
diff
changeset
|
705 сохраняя контекст аутентификации. |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
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|
706 </para> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
707 |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
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|
708 <para> |
1587
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diff
changeset
|
709 Для работы проверки подлинности NTLM |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
710 необходимо разрешить постоянные соединения с серверами группы. |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
711 Директиву <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
712 следует установить в “<literal>1.1</literal>”, |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
713 а поле заголовка <header>Connection</header> — очистить: |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
714 <example> |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
715 upstream http_backend { |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
716 server 127.0.0.1:8080; |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
717 |
c2a0a18e65ba
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
718 ntlm; |
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Added keepalive info for ntlm.
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diff
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|
719 } |
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Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
720 |
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diff
changeset
|
721 server { |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
722 ... |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
723 |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
724 location /http/ { |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
725 proxy_pass http://http_backend; |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
726 proxy_http_version 1.1; |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
727 proxy_set_header Connection ""; |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
728 ... |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
729 } |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
730 } |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
731 </example> |
c2a0a18e65ba
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parents:
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diff
changeset
|
732 </para> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
733 |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
734 <para> |
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Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
735 <note> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
736 При использовании методов балансировки нагрузки, отличных |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
737 от стандартного round-robin, следует активировать их до |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
738 директивы <literal>ntlm</literal>. |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
739 </note> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
740 </para> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
741 |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
742 <para> |
1561
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|
743 <note> |
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Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
744 Эта директива доступна как часть |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
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|
745 <commercial_version>коммерческой подписки</commercial_version>. |
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|
746 </note> |
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diff
changeset
|
747 </para> |
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Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
748 |
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diff
changeset
|
749 </directive> |
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parents:
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diff
changeset
|
750 |
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parents:
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diff
changeset
|
751 |
1125
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
752 <directive name="least_conn"> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
753 <syntax/> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
754 <default/> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
755 <context>upstream</context> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
756 <appeared-in>1.3.1</appeared-in> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
757 <appeared-in>1.2.2</appeared-in> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
758 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
759 <para> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
760 Задаёт для группы метод балансировки нагрузки, при котором запрос |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
761 передаётся серверу с наименьшим числом активных соединений, |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
762 с учётом весов серверов. |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
763 Если подходит сразу несколько серверов, они выбираются циклически |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
764 (в режиме round-robin) с учётом их весов. |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
765 </para> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
766 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
767 </directive> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
768 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
769 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
770 <directive name="least_time"> |
1925
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
771 <syntax> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
772 <literal>header</literal> | |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
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parents:
1891
diff
changeset
|
773 <literal>last_byte</literal> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
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parents:
1891
diff
changeset
|
774 [<literal>inflight</literal>]</syntax> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
775 <default/> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
776 <context>upstream</context> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
777 <appeared-in>1.7.10</appeared-in> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
778 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
779 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
780 Задаёт для группы метод балансировки нагрузки, при котором запрос |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
781 передаётся серверу с наименьшими средним временем ответа и |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
782 числом активных соединений с учётом весов серверов. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
783 Если подходит сразу несколько серверов, то они выбираются циклически |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
784 (в режиме round-robin) с учётом их весов. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
785 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
786 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
787 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
788 Если указан параметр <literal>header</literal>, |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
789 то учитывается время получения |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
790 <link id="var_upstream_header_time">заголовка ответа</link>. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
791 Если указан параметр <literal>last_byte</literal>, то учитывается |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
792 время получения <link id="var_upstream_response_time">всего ответа</link>. |
1925
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
793 Если указан параметр <literal>inflight</literal> (1.11.6), |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
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parents:
1891
diff
changeset
|
794 то также учитываются незавершённые запросы. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
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parents:
1891
diff
changeset
|
795 <note> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
796 До версии 1.11.6 незавершённые запросы учитывались по умолчанию. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
797 </note> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
1418
diff
changeset
|
798 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
799 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
800 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
801 <note> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
802 Эта директива доступна как часть |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
803 <commercial_version>коммерческой подписки</commercial_version>. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
804 </note> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
805 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
806 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
807 </directive> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
808 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
809 |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
810 <directive name="queue"> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
811 <syntax> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
812 <value>число</value> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
813 [<literal>timeout</literal>=<value>время</value>]</syntax> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
814 <default/> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
815 <context>upstream</context> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
816 <appeared-in>1.5.12</appeared-in> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
817 |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
818 <para> |
1818
574c44d14837
Removed the "max_conns" condition from the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
819 Если при обработке запроса невозможно сразу выбрать сервер группы, то |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
820 запрос будет помещён в очередь. |
2067
014323d0cc38
Highlighted the "number" value in the queue directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2062
diff
changeset
|
821 Директива задаёт максимальное <value>число</value> запросов, |
014323d0cc38
Highlighted the "number" value in the queue directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2062
diff
changeset
|
822 которые могут одновременно находиться в очереди. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
823 Если очередь переполнена |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
824 или за время, задаваемое параметром <literal>timeout</literal>, |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
825 так и не удастся выбрать сервер для передачи ему запроса, |
1625
0ba4b2e561bd
Added 502 error to the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1587
diff
changeset
|
826 клиенту будет возвращена ошибка |
0ba4b2e561bd
Added 502 error to the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1587
diff
changeset
|
827 <http-status code="502" text="Bad Gateway"/>. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
828 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
829 |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
830 <para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
831 По умолчанию параметр <literal>timeout</literal> равен 60 секундам. |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
832 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
833 |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
834 <para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
835 <note> |
1925
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
836 При использовании методов балансировки нагрузки, отличных |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
837 от стандартного round-robin, следует активировать их до |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
838 директивы <literal>queue</literal>. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
839 </note> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
840 |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
841 <note> |
1128
1594ed379f1f
De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents:
1127
diff
changeset
|
842 Эта директива доступна как часть |
1594ed379f1f
De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents:
1127
diff
changeset
|
843 <commercial_version>коммерческой подписки</commercial_version>. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
844 </note> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
845 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
846 |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
847 </directive> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
848 |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
849 |
2191
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
850 <directive name="random"> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
851 <syntax>[<literal>two</literal> [<value>метод</value>]]</syntax> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
852 <default/> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
853 <context>upstream</context> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
854 <appeared-in>1.15.1</appeared-in> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
855 |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
856 <para> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
857 Задаёт для группы метод балансировки нагрузки, при котором запрос |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
858 передаётся случайно выбранному серверу, с учётом весов |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
859 серверов. |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
860 </para> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
861 |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
862 <para> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
863 Если указан необязательный параметр <literal>two</literal>, |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
864 то nginx случайным образом выбирает |
2197
03f8a9c5e8ae
Updated link in the "random" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2191
diff
changeset
|
865 <link url="https://homes.cs.washington.edu/~karlin/papers/balls.pdf">два</link> |
2191
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
866 сервера, из которых выбирает сервер, |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
867 используя указанный <literal>метод</literal>. |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
868 Методом по умолчанию является <literal>least_conn</literal>, |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
869 при котором запрос передаётся на сервер |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
870 с наименьшим количеством активных соединений. |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
871 </para> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
872 |
2230
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
873 <para id="random_least_time"> |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
874 Если указан метод <literal>least_time</literal>, то запрос передаётся серверу |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
875 с наименьшими средним временем ответа и числом активных соединений. |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
876 Если указан <literal>least_time=header</literal>, то учитывается |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
877 время получения <link id="var_upstream_header_time">заголовка ответа</link>. |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
878 Если указан <literal>least_time=last_byte</literal>, то учитывается |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
879 время получения <link id="var_upstream_response_time">всего ответа</link>. |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
880 <note> |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
881 Метод <literal>least_time</literal> доступен как часть |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
882 <commercial_version>коммерческой подписки</commercial_version>. |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
883 </note> |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
884 </para> |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
885 |
2191
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
886 </directive> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
887 |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
888 |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
889 <directive name="sticky"> |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
890 <syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
891 <literal>cookie</literal> <value>имя</value> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
892 [<literal>expires=</literal><value>время</value>] |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
893 [<literal>domain=</literal><value>домен</value>] |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
894 [<literal>httponly</literal>] |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
895 [<literal>secure</literal>] |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
896 [<literal>path=</literal><value>путь</value>]</syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
897 <syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
898 <literal>route</literal> <value>переменная</value> ...</syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
899 <syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
900 <literal>learn</literal> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
901 <literal>create=</literal><value>$переменная</value> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
902 <literal>lookup=</literal><value>$переменная</value> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
903 <literal>zone=</literal><value>имя</value>:<value>размер</value> |
2028
5c55b7054b58
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1945
diff
changeset
|
904 [<literal>timeout=</literal><value>время</value>] |
2139
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
905 [<literal>header</literal>] |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
906 [<literal>sync</literal>]</syntax> |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
907 <default/> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
908 <context>upstream</context> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
909 <appeared-in>1.5.7</appeared-in> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
910 |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
911 <para> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
912 Включает режим привязки сеансов, в котором запросы клиента |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
913 будут передаваться на один и тот же сервер группы. |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
914 Доступны три метода: |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
915 <list type="tag"> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
916 <tag-name id="sticky_cookie"><literal>cookie</literal></tag-name> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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|
917 <tag-desc> |
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|
918 |
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|
919 <para> |
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Upstream: translated the "sticky" directive.
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|
920 При использовании метода <literal>cookie</literal> информация о |
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Upstream: translated the "sticky" directive.
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|
921 назначенном сервере передаётся в HTTP-куке: |
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Upstream: translated the "sticky" directive.
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|
922 <example> |
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Upstream: translated the "sticky" directive.
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|
923 upstream backend { |
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|
924 server backend1.example.com; |
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Upstream: translated the "sticky" directive.
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|
925 server backend2.example.com; |
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Upstream: translated the "sticky" directive.
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|
926 |
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|
927 sticky cookie srv_id expires=1h domain=.example.com path=/; |
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Upstream: translated the "sticky" directive.
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|
928 } |
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Upstream: translated the "sticky" directive.
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|
929 </example> |
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|
930 </para> |
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|
931 |
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|
932 <para> |
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|
933 Запрос от клиента, ещё не привязанного к определённому серверу, |
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Upstream: translated the "sticky" directive.
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|
934 передаётся на сервер, выбранный согласно настроенному методу балансировки. |
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|
935 Дальнейшие запросы от этого клиента передаются на тот же сервер. |
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Upstream: translated the "sticky" directive.
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|
936 Если назначенный сервер не может обработать запрос, выбирается новый |
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Upstream: translated the "sticky" directive.
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diff
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|
937 сервер как если бы клиент не имел привязки к серверу. |
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|
938 </para> |
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|
939 |
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|
940 <para> |
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|
941 Первый параметр задаёт имя куки, которую необходимо установить или проверить. |
2041
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|
942 Значением куки является MD5-хэш IP-адреса и порта |
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|
943 (или пути UNIX-сокета) в шестнадцатеричном виде. |
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|
944 Однако если указан параметр “<literal>route</literal>” |
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|
945 директивы <link id="server"/>, то значением куки будет |
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|
946 значение параметра “<literal>route</literal>”: |
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Documented cookie name for sticky cookie and server route.
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diff
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|
947 <example> |
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Documented cookie name for sticky cookie and server route.
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|
948 upstream backend { |
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Documented cookie name for sticky cookie and server route.
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|
949 server backend1.example.com route=<emphasis>a</emphasis>; |
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Documented cookie name for sticky cookie and server route.
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|
950 server backend2.example.com route=<emphasis>b</emphasis>; |
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Documented cookie name for sticky cookie and server route.
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|
951 |
29b68a7b42fc
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diff
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|
952 sticky cookie srv_id expires=1h domain=.example.com path=/; |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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|
953 } |
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changeset
|
954 </example> |
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diff
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|
955 В этом случае значение куки “<literal>srv_id</literal>” будет |
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diff
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|
956 или <value>a</value>, или <value>b</value>. |
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Documented cookie name for sticky cookie and server route.
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|
957 </para> |
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diff
changeset
|
958 |
29b68a7b42fc
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|
959 <para> |
1234
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|
960 Дополнительные параметры могут быть следующими: |
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|
961 <list type="tag"> |
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|
962 |
1450
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|
963 <tag-name><literal>expires=</literal><value>время</value></tag-name> |
1234
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|
964 <tag-desc> |
1450
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|
965 Задаёт <value>время</value>, в течение которого браузеру необходимо хранить куку. |
1234
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|
966 Специальное значение <literal>max</literal> устанавливает срок хранения куки до |
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|
967 31 декабря 2037 года 23:55:55 GMT. |
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|
968 Если параметр не указан, то время действия куки ограничивается сессией браузера. |
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|
969 </tag-desc> |
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|
970 |
1450
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Updated commercial docs for the upcoming release.
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|
971 <tag-name><literal>domain=</literal><value>домен</value></tag-name> |
1234
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|
972 <tag-desc> |
1450
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|
973 Задаёт <value>домен</value>, для которого устанавливается кука. |
1825
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|
974 В значении параметра можно использовать переменные (1.11.5). |
1234
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|
975 </tag-desc> |
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|
976 |
1450
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|
977 <tag-name><literal>httponly</literal></tag-name> |
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|
978 <tag-desc> |
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|
979 Добавляет атрибут <literal>HttpOnly</literal> к куке (1.7.11). |
f5b5eefc43cb
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|
980 </tag-desc> |
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diff
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|
981 |
f5b5eefc43cb
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diff
changeset
|
982 <tag-name><literal>secure</literal></tag-name> |
1234
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|
983 <tag-desc> |
1450
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|
984 Добавляет атрибут <literal>Secure</literal> к куке (1.7.11). |
f5b5eefc43cb
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diff
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|
985 </tag-desc> |
f5b5eefc43cb
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diff
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|
986 |
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diff
changeset
|
987 <tag-name><literal>path=</literal><value>путь</value></tag-name> |
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|
988 <tag-desc> |
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|
989 Задаёт <value>путь</value>, для которого устанавливается кука. |
1234
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|
990 </tag-desc> |
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|
991 |
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|
992 </list> |
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|
993 Если пропущен тот или иной параметр, то соответствующего поля в куке не будет. |
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|
994 </para> |
1259
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|
995 </tag-desc> |
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|
996 |
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|
997 <tag-name id="sticky_route"><literal>route</literal></tag-name> |
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|
998 <tag-desc> |
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|
999 |
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|
1000 <para> |
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|
1001 При использовании метода <literal>route</literal> проксируемый сервер назначает |
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changeset
|
1002 клиенту маршрут по получении первого запроса. |
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|
1003 Все последующие запросы от этого клиента будут содержать информацию о |
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Upstream: translated the "sticky" directive.
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changeset
|
1004 маршруте в куке или URI. |
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diff
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|
1005 Эта информация сравнивается с параметром “<literal>route</literal>” директивы |
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|
1006 <link id="server"/> для идентификации сервера, на который |
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changeset
|
1007 следует проксировать запрос. |
1854
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|
1008 Если параметр “<literal>route</literal>” не задан, то именем маршрута |
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changeset
|
1009 будет являться MD5-хэш IP-адреса и порта |
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|
1010 (или пути UNIX-сокета) в шестнадцатеричном виде. |
1234
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|
1011 Если назначенный сервер не может обработать запрос, выбирается новый сервер |
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|
1012 согласно настроенному методу балансировки как если бы в запросе не было |
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|
1013 информации о маршруте. |
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|
1014 </para> |
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|
1015 |
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|
1016 <para> |
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|
1017 Параметры метода <literal>route</literal> задают переменные, которые |
1238
763db729e6a4
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1237
diff
changeset
|
1018 могут содержать информацию о маршруте. |
1234
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|
1019 Первая непустая переменная используется для поиска соответствующего сервера. |
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|
1020 </para> |
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|
1021 |
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|
1022 <para> |
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1023 Пример: |
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1024 <example> |
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1025 map $cookie_jsessionid $route_cookie { |
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1026 ~.+\.(?P<route>\w+)$ $route; |
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1027 } |
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1028 |
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1029 map $request_uri $route_uri { |
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1030 ~jsessionid=.+\.(?P<route>\w+)$ $route; |
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1031 } |
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1032 |
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1033 upstream backend { |
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1034 server backend1.example.com route=a; |
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1035 server backend2.example.com route=b; |
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1036 |
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1037 sticky route $route_cookie $route_uri; |
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1038 } |
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1039 </example> |
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1040 В этом примере маршрут берётся из куки “<literal>JSESSIONID</literal>”, |
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1041 если она присутствует в запросе. |
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1042 В противном случае используется маршрут из URI. |
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1043 </para> |
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1044 |
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1045 </tag-desc> |
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1046 |
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1047 <tag-name id="sticky_learn"><literal>learn</literal></tag-name> |
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1048 <tag-desc> |
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1049 <para> |
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1050 При использовании метода <literal>learn</literal> (1.7.1) nginx |
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1051 анализирует ответы от вышестоящего сервера и запоминает |
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1052 начатые им сессии, которые обычно передаются в HTTP-куке. |
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1053 <example> |
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1054 upstream backend { |
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1055 server backend1.example.com:8080; |
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1056 server backend2.example.com:8081; |
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1057 |
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1058 sticky learn |
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1059 create=$upstream_cookie_examplecookie |
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1060 lookup=$cookie_examplecookie |
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1061 zone=client_sessions:1m; |
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1062 } |
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1063 </example> |
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1064 |
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1065 В примере выше сервер группы создаёт сессию путём установки |
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1066 куки “<literal>EXAMPLECOOKIE</literal>” в своём ответе. |
1259
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1067 Последующие запросы с этой кукой будут передаваться на этот же сервер. |
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1068 Если сервер не может обработать запрос, выбирается новый |
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1069 сервер как если бы клиент не имел привязки к серверу. |
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1070 </para> |
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1071 |
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1072 <para> |
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1073 Параметры <literal>create</literal> и <literal>lookup</literal> |
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1074 задают переменные, в которых соответственно указывается способ |
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1075 создания новых и поиска существующих сессий. |
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1076 Оба параметра могут быть указаны больше одного раза |
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1077 (в этом случае используется первая непустая переменная). |
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1078 </para> |
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1079 |
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1080 <para> |
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1081 Сессии хранятся в зоне разделяемой памяти, <value>имя</value> и |
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1082 <value>размер</value> которой задаются параметром <literal>zone</literal>. |
2139
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1083 Зоны размером в 1 мегабайт достаточно для хранения около 4 тысяч сессий |
1259
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1084 на 64-битной платформе. |
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1085 Сессии, к которым не было обращений в течение времени, заданного параметром |
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1086 <literal>timeout</literal>, удаляются из зоны. |
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1087 По умолчанию <literal>timeout</literal> равен 10 минутам. |
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1088 </para> |
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1089 |
2028
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1090 <para id="sticky_learn_header"> |
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1091 Параметр <literal>header</literal> (1.13.1) позволяет создавать сессию |
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1092 сразу после получения заголовков ответа от сервера группы. |
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|
1093 </para> |
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1094 |
2139
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1095 <para id="sticky_learn_sync"> |
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1096 Параметр <literal>sync</literal> (1.13.8) разрешает |
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1097 <link doc="../stream/ngx_stream_zone_sync_module.xml" id="zone_sync">синхронизацию</link> |
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1098 данной зоны разделяемой памяти. |
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1099 </para> |
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1100 |
1259
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1101 </tag-desc> |
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1102 </list> |
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1103 </para> |
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1104 |
1234
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1105 <para> |
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1106 <note> |
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|
1107 Эта директива доступна как часть |
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1108 <commercial_version>коммерческой подписки</commercial_version>. |
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1109 </note> |
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1110 </para> |
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1111 |
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1112 </directive> |
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1113 |
1237
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1114 |
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1115 <directive name="sticky_cookie_insert"> |
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1116 <syntax><value>имя</value> |
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1117 [<literal>expires=</literal><value>время</value>] |
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1118 [<literal>domain=</literal><value>домен</value>] |
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1119 [<literal>path=</literal><value>путь</value>]</syntax> |
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1120 <default/> |
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1121 <context>upstream</context> |
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1122 |
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1123 <para> |
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1124 Эта директива устарела начиная с версии 1.5.7. |
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1125 Вместо неё следует использовать аналогичную директиву |
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1126 <link id="sticky"/> с изменённым синтаксисом: |
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1127 <note> |
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1128 <literal>sticky cookie</literal> <value>имя</value> |
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1129 [<literal>expires=</literal><value>время</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1130 [<literal>domain=</literal><value>домен</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1131 [<literal>path=</literal><value>путь</value>]; |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1132 </note> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1133 </para> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1134 |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1135 </directive> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1136 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1137 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1138 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1139 |
292 | 1140 <section id="variables" name="Встроенные переменные"> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1141 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1142 <para> |
292 | 1143 Модуль <literal>ngx_http_upstream_module</literal> |
1144 поддерживает следующие встроенные переменные: | |
1145 <list type="tag"> | |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1146 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1147 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name> |
292 | 1148 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1149 хранит IP-адрес и порт или путь к UNIX-сокету сервера группы. |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1150 Если при обработке запроса были сделаны обращения к нескольким серверам, |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1151 то их адреса разделяются запятой, например, |
292 | 1152 “<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
|
1153 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
|
1154 с помощью |
292 | 1155 <header>X-Accel-Redirect</header> или |
1156 <link doc="ngx_http_core_module.xml" id="error_page"/>, | |
966 | 1157 то адреса, соответствующие разным группам серверов, разделяются двоеточием, |
1158 например, | |
292 | 1159 “<literal>192.168.1.1:80, 192.168.1.2:80, unix:/tmp/sock : 192.168.10.1:80, 192.168.10.2:80</literal>”. |
2058
eb58ee50561d
Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2041
diff
changeset
|
1160 Если сервер не может быть выбран, |
eb58ee50561d
Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2041
diff
changeset
|
1161 то переменная хранит имя группы серверов. |
292 | 1162 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1163 |
1783
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1164 <tag-name id="var_upstream_bytes_received"><var>$upstream_bytes_received</var></tag-name> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1165 <tag-desc> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1166 число байт, полученных от сервера группы (1.11.4). |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1167 Значения нескольких соединений |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1168 разделяются запятыми и двоеточиями подобно адресам в переменной |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1169 <link id="var_upstream_addr">$upstream_addr</link>. |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1170 </tag-desc> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1171 |
2307
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1172 <tag-name id="var_upstream_bytes_sent"><var>$upstream_bytes_sent</var></tag-name> |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1173 <tag-desc> |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1174 число байт, переданных на сервер группы (1.15.8). |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1175 Значения нескольких соединений |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1176 разделяются запятыми и двоеточиями подобно адресам в переменной |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1177 <link id="var_upstream_addr">$upstream_addr</link>. |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1178 </tag-desc> |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1179 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1180 <tag-name id="var_upstream_cache_status"><var>$upstream_cache_status</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1181 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1182 <tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1183 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
|
1184 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
|
1185 “<literal>BYPASS</literal>”, “<literal>EXPIRED</literal>”, |
1016
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1186 “<literal>STALE</literal>”, “<literal>UPDATING</literal>”, |
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1187 “<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
|
1188 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1189 |
1481
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1190 <tag-name id="var_upstream_connect_time"><var>$upstream_connect_time</var> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1191 </tag-name> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1192 <tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1193 хранит время, затраченное на установление соединения с сервером группы (1.9.1); |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1194 время хранится в секундах с точностью до миллисекунд. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1195 В случае SSL, включает в себя время, потраченное на handshake. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1196 Времена нескольких соединений |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1197 разделяются запятыми и двоеточиями подобно адресам в переменной |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1198 <link id="var_upstream_addr">$upstream_addr</link>. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1199 </tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1200 |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1201 <tag-name id="var_upstream_cookie_"><var>$upstream_cookie_</var><value>имя</value> |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1202 </tag-name> |
1186
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1203 <tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1204 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
|
1205 в поле <header>Set-Cookie</header> заголовка ответа (1.7.1). |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1206 Необходимо иметь в виду, что куки запоминаются только из ответа |
1186
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1207 последнего сервера. |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1208 </tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1209 |
1393
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1210 <tag-name id="var_upstream_header_time"><var>$upstream_header_time</var> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1211 </tag-name> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1212 <tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1213 хранит время, |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1214 затраченное на получение заголовка ответа от сервера группы (1.7.10); |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1215 время хранится в секундах с точностью до миллисекунд. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1216 Времена нескольких ответов |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1217 разделяются запятыми и двоеточиями подобно адресам в переменной |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1218 <link id="var_upstream_addr">$upstream_addr</link>. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1219 </tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1220 |
1392
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1221 <tag-name id="var_upstream_http_"><var>$upstream_http_</var><value>имя</value></tag-name> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1222 <tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1223 хранят поля заголовка ответа сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1224 Например, поле заголовка ответа <header>Server</header> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1225 доступно в переменной <var>$upstream_http_server</var>. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1226 Правила преобразования имён полей заголовка ответа в имена переменных |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1227 такие же, как для переменных с префиксом |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1228 “<link doc="ngx_http_core_module.xml" id="var_http_">$http_</link>”. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1229 Необходимо иметь в виду, что поля заголовка запоминаются только из ответа |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1230 последнего сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1231 </tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1232 |
2139
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1233 <tag-name id="var_upstream_queue_time"><var>$upstream_queue_time</var></tag-name> |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1234 <tag-desc> |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1235 хранит время, проведённое запросом в <link id="queue">очереди</link> |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1236 (1.13.9); |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1237 время хранится в секундах с точностью до миллисекунд. |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1238 Времена нескольких ответов |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1239 разделяются запятыми и двоеточиями подобно адресам в переменной |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1240 <link id="var_upstream_addr">$upstream_addr</link>. |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1241 </tag-desc> |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1242 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1243 <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
|
1244 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1245 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1246 хранит длину ответа, полученного от сервера группы (0.7.27); |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1247 длина хранится в байтах. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1248 Длины нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1249 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1250 <link id="var_upstream_addr">$upstream_addr</link>. |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1251 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1252 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1253 <tag-name id="var_upstream_response_time"><var>$upstream_response_time</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1254 </tag-name> |
292 | 1255 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1256 хранит время, затраченное на получение ответа от сервера группы; |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1257 время хранится в секундах с точностью до миллисекунд. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1258 Времена нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1259 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1260 <link id="var_upstream_addr">$upstream_addr</link>. |
292 | 1261 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1262 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1263 <tag-name id="var_upstream_status"><var>$upstream_status</var></tag-name> |
292 | 1264 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1265 хранит статус ответа, полученного от сервера группы. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1266 Статусы нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1267 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1268 <link id="var_upstream_addr">$upstream_addr</link>. |
2062
7275c134ec67
Documented "no live upstreams" case for $upstream_status.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
1269 Если сервер не может быть выбран, то |
7275c134ec67
Documented "no live upstreams" case for $upstream_status.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
1270 переменная хранит статус <http-status code="502" text="Bad Gateway"/>. |
292 | 1271 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1272 |
2113
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1273 <tag-name id="var_upstream_trailer_"><var>$upstream_trailer_</var><value>имя</value></tag-name> |
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1274 <tag-desc> |
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1275 хранит поля из конца ответа, |
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1276 полученного от сервера группы (1.13.10). |
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1277 </tag-desc> |
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1278 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1279 </list> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1280 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1281 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1282 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1283 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1284 </module> |