Mercurial > hg > nginx-site
annotate xml/ru/docs/http/ngx_http_upstream_module.xml @ 1800:9d722e4153ab
Documented the "max_conns" parameter as opensource.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Wed, 28 Sep 2016 20:25:42 +0300 |
parents | 031566771bbd |
children | 592f9fa804f6 |
rev | line source |
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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="50"> |
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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"/>, |
1181 | 24 <link doc="ngx_http_scgi_module.xml" id="scgi_pass"/> и |
533
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25 <link doc="ngx_http_memcached_module.xml" id="memcached_pass"/>. |
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26 </para> |
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27 |
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28 </section> |
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29 |
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30 |
292 | 31 <section id="example" name="Пример конфигурации"> |
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32 |
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33 <para> |
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34 <example> |
292 | 35 upstream <emphasis>backend</emphasis> { |
36 server backend1.example.com weight=5; | |
37 server backend2.example.com:8080; | |
38 server unix:/tmp/backend3; | |
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39 |
292 | 40 server backup1.example.com:8080 backup; |
41 server backup2.example.com:8080 backup; | |
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42 } |
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43 |
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44 server { |
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45 location / { |
292 | 46 proxy_pass http://<emphasis>backend</emphasis>; |
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47 } |
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48 } |
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49 </example> |
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50 </para> |
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51 |
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52 <para> |
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53 Динамически настраиваемая группа, |
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54 доступна как часть |
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55 <commercial_version>коммерческой подписки</commercial_version>: |
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56 <example> |
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57 resolver 10.0.0.1; |
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58 |
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59 upstream <emphasis>dynamic</emphasis> { |
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60 zone upstream_dynamic 64k; |
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61 |
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62 server backend1.example.com weight=5; |
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63 server backend2.example.com:8080 fail_timeout=5s slow_start=30s; |
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64 server 192.0.2.1 max_fails=3; |
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65 server backend3.example.com resolve; |
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66 server backend4.example.com service=http resolve; |
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67 |
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68 server backup1.example.com:8080 backup; |
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69 server backup2.example.com:8080 backup; |
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70 } |
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71 |
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72 server { |
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73 location / { |
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74 proxy_pass http://<emphasis>dynamic</emphasis>; |
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75 health_check; |
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76 } |
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77 } |
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78 </example> |
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79 </para> |
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80 |
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81 </section> |
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82 |
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83 |
292 | 84 <section id="directives" name="Директивы"> |
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85 |
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86 <directive name="upstream"> |
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87 <syntax block="yes"><value>название</value></syntax> |
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88 <default/> |
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89 <context>http</context> |
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90 |
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91 <para> |
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92 Описывает группу серверов. |
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93 Серверы могут слушать на разных портах. |
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94 Кроме того, можно одновременно использовать серверы, |
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95 слушающие на TCP- и UNIX-сокетах. |
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96 </para> |
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97 |
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98 <para> |
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99 Пример: |
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100 <example> |
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101 upstream backend { |
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102 server backend1.example.com weight=5; |
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103 server 127.0.0.1:8080 max_fails=3 fail_timeout=30s; |
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104 server unix:/tmp/backend3; |
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105 |
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106 server backup1.example.com backup; |
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107 } |
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108 </example> |
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109 </para> |
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110 |
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111 <para> |
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112 По умолчанию запросы распределяются по серверам циклически |
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113 (в режиме round-robin) с учётом весов серверов. |
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114 В вышеприведённом примере каждые 7 запросов будут распределены так: |
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115 5 запросов на <literal>backend1.example.com</literal> |
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116 и по одному запросу на второй и третий серверы. |
966 | 117 Если при попытке работы с сервером происходит ошибка, то запрос |
118 передаётся следующему серверу, и так далее до тех пор, пока не будут опробованы | |
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119 все работающие серверы. |
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120 Если не удастся получить успешный ответ |
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121 ни от одного из серверов, то клиенту будет возвращён результат работы |
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122 с последним сервером. |
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123 </para> |
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124 |
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125 </directive> |
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126 |
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127 |
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128 <directive name="server"> |
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129 <syntax><value>адрес</value> [<value>параметры</value>]</syntax> |
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130 <default/> |
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131 <context>upstream</context> |
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132 |
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133 <para> |
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134 Задаёт <value>адрес</value> и другие <value>параметры</value> |
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135 сервера. |
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136 Адрес может быть указан в виде доменного имени или IP-адреса, |
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137 и необязательного порта, или в виде пути UNIX-сокета, который |
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138 указывается после префикса “<literal>unix:</literal>”. |
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139 Если порт не указан, используется порт 80. |
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140 Доменное имя, которому соответствует несколько IP-адресов, |
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141 задаёт сразу несколько серверов. |
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142 </para> |
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143 |
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144 <para> |
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145 Могут быть заданы следующие параметры: |
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146 <list type="tag"> |
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147 |
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148 <tag-name id="weight"> |
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149 <literal>weight</literal>=<value>число</value> |
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150 </tag-name> |
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151 <tag-desc> |
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152 задаёт вес сервера, по умолчанию 1. |
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153 </tag-desc> |
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154 |
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155 <tag-name id="max_conns"> |
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156 <literal>max_conns</literal>=<value>число</value> |
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157 </tag-name> |
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158 <tag-desc> |
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159 ограничивает максимальное <value>число</value> одновременных активных |
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160 соединений к проксируемому серверу (1.11.5). |
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161 Значение по умолчанию равно 0 и означает, что ограничения нет. |
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162 <note> |
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163 При включённых <link id="keepalive">постоянных</link> соединениях и нескольких |
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164 <link doc="../ngx_core_module.xml" id="worker_processes">рабочих процессах</link> |
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165 общее число соединений с проксируемым сервером |
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166 может превышать значение <literal>max_conns</literal>. |
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167 </note> |
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168 <note> |
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169 Начиная с версии 1.5.9 и до версии 1.11.5 |
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170 этот параметр был доступен как часть |
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171 <commercial_version>коммерческой подписки</commercial_version>. |
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172 </note> |
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173 </tag-desc> |
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174 |
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175 <tag-name id="max_fails"> |
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176 <literal>max_fails</literal>=<value>число</value> |
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177 </tag-name> |
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178 <tag-desc> |
966 | 179 задаёт число неудачных попыток работы с сервером, которые должны произойти |
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180 в течение времени, заданного параметром <literal>fail_timeout</literal>, |
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181 чтобы сервер считался недоступным на период времени, также заданный |
966 | 182 параметром <literal>fail_timeout</literal>. |
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183 По умолчанию число попыток устанавливается равным 1. |
966 | 184 Нулевое значение отключает учёт попыток. |
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185 Что считается неудачной попыткой, определяется директивами |
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186 <link doc="ngx_http_proxy_module.xml" id="proxy_next_upstream"/>, |
1181 | 187 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_next_upstream"/>, |
1194 | 188 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_next_upstream"/>, |
1181 | 189 <link doc="ngx_http_scgi_module.xml" id="scgi_next_upstream"/> и |
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190 <link doc="ngx_http_memcached_module.xml" id="memcached_next_upstream"/>. |
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191 </tag-desc> |
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192 |
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193 <tag-name id="fail_timeout"> |
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194 <literal>fail_timeout</literal>=<value>время</value> |
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195 </tag-name> |
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196 <tag-desc> |
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197 задаёт |
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198 <list type="bullet"> |
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199 |
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200 <listitem> |
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201 время, в течение которого должно произойти заданное число неудачных |
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202 попыток работы с сервером для того, чтобы сервер считался недоступным; |
533
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203 </listitem> |
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204 |
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205 <listitem> |
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206 и время, в течение которого сервер будет считаться недоступным. |
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207 </listitem> |
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208 |
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209 </list> |
966 | 210 По умолчанию параметр равен 10 секундам. |
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211 </tag-desc> |
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212 |
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213 <tag-name id="backup"> |
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214 <literal>backup</literal> |
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215 </tag-name> |
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216 <tag-desc> |
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217 помечает сервер как запасной сервер. |
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218 На него будут передаваться запросы в случае, если не работают основные серверы. |
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219 </tag-desc> |
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220 |
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221 <tag-name id="down"> |
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222 <literal>down</literal> |
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223 </tag-name> |
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224 <tag-desc> |
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225 помечает сервер как постоянно недоступный. |
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226 </tag-desc> |
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227 |
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228 </list> |
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229 </para> |
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230 |
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231 <para> |
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232 Кроме того, |
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233 следующие параметры доступны как часть |
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234 <commercial_version>коммерческой подписки</commercial_version>: |
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235 <list type="tag"> |
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236 |
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237 <tag-name id="resolve"> |
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238 <literal>resolve</literal> |
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239 </tag-name> |
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240 <tag-desc> |
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241 отслеживает изменения IP-адресов, соответствующих доменному имени сервера, |
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242 и автоматически изменяет конфигурацию группы |
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243 без необходимости перезапуска nginx (1.5.12). |
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244 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>. |
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245 <para> |
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246 Для работы этого параметра |
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247 директива <link doc="ngx_http_core_module.xml" id="resolver"/> |
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248 должна быть задана в блоке |
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249 <link doc="ngx_http_core_module.xml" id="http"/>. |
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250 Пример: |
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251 <example> |
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252 http { |
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253 resolver 10.0.0.1; |
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254 |
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255 upstream u { |
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256 zone ...; |
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257 ... |
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258 server example.com resolve; |
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259 } |
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260 } |
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261 </example> |
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262 </para> |
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263 </tag-desc> |
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264 |
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265 <tag-name id="route"> |
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266 <literal>route</literal>=<value>строка</value> |
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267 </tag-name> |
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268 <tag-desc> |
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269 задаёт имя маршрута к серверу. |
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270 </tag-desc> |
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271 |
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272 <tag-name id="service"> |
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273 <literal>service</literal>=<value>имя</value> |
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274 </tag-name> |
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275 <tag-desc> |
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276 включает преобразование |
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277 <link url="https://tools.ietf.org/html/rfc2782">SRV</link>-записей |
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278 DNS и задаёт <value>имя</value> сервиса (1.9.13). |
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279 Для работы параметра необходимо указать |
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280 параметр <link id="resolve"/> для сервера |
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281 и не указывать порт сервера. |
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282 <para> |
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283 Если имя сервиса не содержит точку (“<literal>.</literal>”), то |
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284 имя составляется в соответствии с |
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285 <link url="https://tools.ietf.org/html/rfc2782">RFC</link> |
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286 и в префикс службы добавляется протокол TCP. |
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287 Например, для получения |
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288 SRV-записи <literal>_http._tcp.backend.example.com</literal> |
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289 необходимо указать директиву: |
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290 <example> |
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291 server backend.example.com service=http resolve; |
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292 </example> |
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293 Если имя сервиса содержит одну и более точек, то имя составляется |
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294 при помощи соединения префикса службы и имени сервера. |
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295 Например, для получения SRV-записей |
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296 <literal>_http._tcp.backend.example.com</literal> |
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297 и <literal>server1.backend.example.com</literal> |
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298 необходимо указать директивы: |
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299 <example> |
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300 server backend.example.com service=_http._tcp resolve; |
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301 server example.com service=server1.backend resolve; |
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302 </example> |
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303 </para> |
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304 |
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305 <para> |
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306 SRV-записи с наивысшим приоритетом |
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307 (записи с одинаковым наименьшим значением приоритета) |
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308 преобразуются в основные серверы, |
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309 остальные SRV-записи преобразуются в запасные серверы. |
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310 Если в конфигурации сервера указан параметр <link id="backup"/>, |
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311 высокоприоритетные SRV-записи преобразуются в запасные серверы, |
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312 остальные SRV-записи игнорируются. |
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313 </para> |
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314 </tag-desc> |
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315 |
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316 <tag-name id="slow_start"> |
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317 <literal>slow_start</literal>=<value>время</value> |
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318 </tag-name> |
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319 <tag-desc> |
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320 задаёт <value>время</value>, в течение которого вес сервера |
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321 восстановится от нуля до своего номинального значения в ситуации, когда |
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322 неработоспособный (unhealthy) сервер вновь становится работоспособным |
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323 (<link id="health_check">healthy</link>) |
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324 или когда сервер становится доступным по прошествии времени, |
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325 в течение которого он считался <link id="fail_timeout">недоступным</link>. |
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326 Значение по умолчанию равно нулю и означает, что медленный старт выключен. |
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327 </tag-desc> |
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328 |
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329 </list> |
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330 </para> |
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331 |
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332 <para> |
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333 <note> |
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334 Если в группе только один сервер, параметры <literal>max_fails</literal>, |
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335 <literal>fail_timeout</literal> и <literal>slow_start</literal> |
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336 игнорируются и такой сервер никогда не будет считаться недоступным. |
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337 </note> |
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338 </para> |
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339 |
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340 </directive> |
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341 |
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342 |
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343 <directive name="zone"> |
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344 <syntax><value>имя</value> [<value>размер</value>]</syntax> |
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345 <default/> |
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346 <context>upstream</context> |
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347 <appeared-in>1.9.0</appeared-in> |
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348 |
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349 <para> |
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350 Задаёт <value>имя</value> и <value>размер</value> зоны разделяемой памяти, |
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351 в которой хранятся конфигурация группы и её рабочее состояние, |
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352 разделяемые между рабочими процессами. |
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353 В одной и той же зоне могут быть сразу несколько групп. |
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354 В этом случае достаточно указать <value>размер</value> только один раз. |
1461
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355 </para> |
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356 |
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357 <para> |
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358 Дополнительно, как часть |
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359 <commercial_version>коммерческой подписки</commercial_version>, |
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360 в таких группах для изменения состава группы |
1243
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|
361 или настроек отдельных серверов |
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362 нет необходимости перезапускать nginx. |
1123
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363 Конфигурация доступна через специальный location, |
1450
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|
364 в котором указана директива |
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365 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf"/>. |
1123
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366 </para> |
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367 |
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368 </directive> |
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369 |
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370 |
1636
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371 <directive name="state"> |
1720
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372 <syntax><value>файл</value></syntax> |
1636
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373 <default/> |
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374 <context>upstream</context> |
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375 <appeared-in>1.9.7</appeared-in> |
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376 |
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377 <para> |
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378 Задаёт <value>файл</value>, в котором хранится состояние |
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379 динамически настраиваемой группы. |
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380 В данный момент состояние ограничено списком серверов с их параметрами. |
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381 Файл читается при парсинге конфигурации и обновляется каждый раз при |
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382 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf">изменении</link> |
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|
383 конфигурации группы. |
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384 Изменение содержимого файла напрямую не рекомендуется. |
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|
385 Директиву нельзя использовать |
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|
386 совместно с директивой <link id="server"/>. |
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387 </para> |
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|
388 |
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|
389 <para> |
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|
390 <note> |
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|
391 Изменения, совершённые в момент |
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392 <link doc="../control.xml" id="reconfiguration">перезагрузки конфигурации</link> |
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|
393 или <link doc="../control.xml" id="upgrade">обновления бинарного файла</link>, |
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|
394 могут быть потеряны. |
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|
395 </note> |
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396 </para> |
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|
397 |
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398 <para> |
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399 <note> |
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400 Эта директива доступна как часть |
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|
401 <commercial_version>коммерческой подписки</commercial_version>. |
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402 </note> |
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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 |
1230
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|
408 <directive name="hash"> |
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409 <syntax><value>ключ</value> [<literal>consistent</literal>]</syntax> |
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|
410 <default/> |
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|
411 <context>upstream</context> |
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412 <appeared-in>1.7.2</appeared-in> |
6cc809881694
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|
413 |
6cc809881694
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|
414 <para> |
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|
415 Задаёт метод балансировки нагрузки для группы, при котором |
6cc809881694
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|
416 соответствие клиента серверу определяется при помощи |
6cc809881694
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|
417 хэшированного значения <value>ключа</value>. |
6cc809881694
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|
418 В качестве <value>ключа</value> может использоваться |
6cc809881694
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|
419 текст, переменные и их комбинации. |
6cc809881694
Upstream: added the "hash" directive.
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|
420 Следует отметить, что любое добавление или удаление серверов в группе |
6cc809881694
Upstream: added the "hash" directive.
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|
421 может привести к перераспределению большинства ключей на другие серверы. |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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changeset
|
422 Метод совместим с библиотекой Perl |
6cc809881694
Upstream: added the "hash" directive.
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|
423 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached">Cache::Memcached</link>. |
6cc809881694
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|
424 </para> |
6cc809881694
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diff
changeset
|
425 |
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Upstream: added the "hash" directive.
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diff
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|
426 <para> |
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diff
changeset
|
427 Если задан параметр <literal>consistent</literal>, то вместо |
6cc809881694
Upstream: added the "hash" directive.
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|
428 вышеописанного метода будет использоваться метод консистентного хэширования |
6cc809881694
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changeset
|
429 <link url="http://www.last.fm/user/RJ/journal/2007/04/10/392555/">ketama</link>. |
6cc809881694
Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
430 Метод гарантирует, что при добавлении сервера в группу или его удалении |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
431 на другие серверы будет перераспределено минимальное число ключей. |
6cc809881694
Upstream: added the "hash" directive.
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changeset
|
432 Применение метода для кэширующих серверов обеспечивает |
6cc809881694
Upstream: added the "hash" directive.
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diff
changeset
|
433 больший процент попаданий в кэш. |
6cc809881694
Upstream: added the "hash" directive.
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parents:
1194
diff
changeset
|
434 Метод совместим с библиотекой Perl |
6cc809881694
Upstream: added the "hash" directive.
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changeset
|
435 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached%3A%3AFast">Cache::Memcached::Fast</link> |
6cc809881694
Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
436 при значении параметра <value>ketama_points</value> равным 160. |
6cc809881694
Upstream: added the "hash" directive.
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diff
changeset
|
437 </para> |
6cc809881694
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diff
changeset
|
438 |
6cc809881694
Upstream: added the "hash" directive.
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diff
changeset
|
439 </directive> |
6cc809881694
Upstream: added the "hash" directive.
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diff
changeset
|
440 |
6cc809881694
Upstream: added the "hash" directive.
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diff
changeset
|
441 |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
442 <directive name="ip_hash"> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
443 <syntax/> |
99
1d315ef37215
The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents:
79
diff
changeset
|
444 <default/> |
76
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Russian documentation import.
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diff
changeset
|
445 <context>upstream</context> |
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Russian documentation import.
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parents:
diff
changeset
|
446 |
4a4caa566120
Russian documentation import.
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parents:
diff
changeset
|
447 <para> |
533
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
448 Задаёт для группы метод балансировки нагрузки, при котором запросы |
fb630c3c5039
Revamped the upstream documentation somewhat.
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parents:
526
diff
changeset
|
449 распределяются по серверам на основе IP-адресов клиентов. |
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
450 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
|
451 октета IPv4-адреса клиента или IPv6-адрес клиента целиком. |
292 | 452 Метод гарантирует, что запросы одного и того же клиента |
453 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
|
454 Если же этот сервер будет считаться недоступным, |
292 | 455 то запросы этого клиента будут передаваться на другой сервер. |
456 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
|
457 <note> |
566 | 458 IPv6-адреса поддерживаются начиная с версий 1.3.2 и 1.2.2. |
542
a9e6a8613534
Documented IPv6 support in ip_hash.
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parents:
533
diff
changeset
|
459 </note> |
76
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Russian documentation import.
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parents:
diff
changeset
|
460 </para> |
4a4caa566120
Russian documentation import.
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parents:
diff
changeset
|
461 |
4a4caa566120
Russian documentation import.
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parents:
diff
changeset
|
462 <para> |
4a4caa566120
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parents:
diff
changeset
|
463 Если один из серверов нужно убрать на некоторое время, то для сохранения |
292 | 464 текущего хэширования IP-адресов клиентов этот сервер нужно пометить |
465 параметром <literal>down</literal>. | |
76
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parents:
diff
changeset
|
466 </para> |
4a4caa566120
Russian documentation import.
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467 |
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468 <para> |
292 | 469 Пример: |
76
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470 <example> |
292 | 471 upstream backend { |
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472 ip_hash; |
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473 |
292 | 474 server backend1.example.com; |
475 server backend2.example.com; | |
476 server backend3.example.com <emphasis>down</emphasis>; | |
477 server backend4.example.com; | |
76
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478 } |
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479 </example> |
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480 </para> |
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481 |
526
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482 <para> |
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483 <note> |
566 | 484 До версий 1.3.1 и 1.2.2 для серверов, использующих метод балансировки нагрузки |
526
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1.3.1 changes: ip_hash+weight, least_conn.
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485 <literal>ip_hash</literal>, нельзя было задать вес. |
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486 </note> |
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1.3.1 changes: ip_hash+weight, least_conn.
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487 </para> |
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488 |
76
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489 </directive> |
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490 |
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491 |
316
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Documented the following directives: "keepalive", "proxy_http_version",
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492 <directive name="keepalive"> |
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493 <syntax><value>соединения</value></syntax> |
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Documented the following directives: "keepalive", "proxy_http_version",
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494 <default/> |
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Documented the following directives: "keepalive", "proxy_http_version",
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495 <context>upstream</context> |
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Documented the following directives: "keepalive", "proxy_http_version",
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496 <appeared-in>1.1.4</appeared-in> |
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497 |
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Documented the following directives: "keepalive", "proxy_http_version",
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498 <para> |
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Documented the following directives: "keepalive", "proxy_http_version",
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499 Задействует кэш соединений для группы серверов. |
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diff
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500 </para> |
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501 |
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Documented the following directives: "keepalive", "proxy_http_version",
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502 <para> |
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503 Параметр <value>соединения</value> устанавливает максимальное число |
654
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Refined the text about cache of connections to upstream servers.
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589
diff
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504 неактивных постоянных соединений с серверами группы, которые будут |
841118e33f41
Refined the text about cache of connections to upstream servers.
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589
diff
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505 сохраняться в кэше каждого рабочего процесса. |
841118e33f41
Refined the text about cache of connections to upstream servers.
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589
diff
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506 При превышении этого числа наиболее давно не используемые соединения |
841118e33f41
Refined the text about cache of connections to upstream servers.
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589
diff
changeset
|
507 закрываются. |
316
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Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
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508 <note> |
654
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Refined the text about cache of connections to upstream servers.
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589
diff
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509 Следует особо отметить, что директива <literal>keepalive</literal> |
841118e33f41
Refined the text about cache of connections to upstream servers.
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589
diff
changeset
|
510 не ограничивает общее число соединений с серверами группы, которые |
841118e33f41
Refined the text about cache of connections to upstream servers.
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589
diff
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|
511 рабочие процессы nginx могут открыть. |
966 | 512 Параметр <value>соединения</value> следует устанавливать достаточно |
513 консервативно, чтобы серверы группы по-прежнему могли обрабатывать | |
514 новые входящие соединения. | |
316
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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515 </note> |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
516 </para> |
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diff
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|
517 |
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Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
518 <para> |
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292
diff
changeset
|
519 Пример конфигурации группы серверов memcached с постоянными соединениями: |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
520 <example> |
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Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
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|
521 upstream memcached_backend { |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
522 server 127.0.0.1:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
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|
523 server 10.0.0.2:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
524 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
525 keepalive 32; |
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Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
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|
526 } |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
527 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
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292
diff
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|
528 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
529 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
530 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
531 location /memcached/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
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|
532 set $memcached_key $uri; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
533 memcached_pass memcached_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
534 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
535 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
536 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
537 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
538 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
539 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
540 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
541 Для HTTP директиву |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
542 <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
543 следует установить в “<literal>1.1</literal>”, |
367
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents:
325
diff
changeset
|
544 а поле заголовка <header>Connection</header> — очистить: |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
545 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
546 upstream http_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
547 server 127.0.0.1:8080; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
548 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
549 keepalive 16; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
550 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
551 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
552 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
553 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
554 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
555 location /http/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
556 proxy_pass http://http_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
557 proxy_http_version 1.1; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
558 proxy_set_header Connection ""; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
559 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
560 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
561 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
562 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
563 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
564 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
565 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
566 <note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
567 Хоть это и не рекомендуется, но также возможно использование постоянных |
966 | 568 соединений с HTTP/1.0, путём передачи поля заголовка |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
569 <header>Connection: Keep-Alive</header> серверу группы. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
570 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
571 </para> |
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 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
574 Для работы постоянных соединений с FastCGI-серверами потребуется |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
575 включить директиву |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
576 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_keep_conn"/>: |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
577 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
578 upstream fastcgi_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
579 server 127.0.0.1:9000; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
580 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
581 keepalive 8; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
582 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
583 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
584 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
585 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
586 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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587 location /fastcgi/ { |
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|
588 fastcgi_pass fastcgi_backend; |
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|
589 fastcgi_keep_conn on; |
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590 ... |
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591 } |
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592 } |
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|
593 </example> |
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|
594 </para> |
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|
595 |
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|
596 <para> |
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|
597 <note> |
533
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Revamped the upstream documentation somewhat.
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diff
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|
598 При использовании методов балансировки нагрузки, отличных |
316
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|
599 от стандартного round-robin, следует активировать их до |
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|
600 директивы <literal>keepalive</literal>. |
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601 </note> |
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602 |
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|
603 <note> |
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|
604 Протоколы SCGI и uwsgi не определяют семантику постоянных соединений. |
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|
605 </note> |
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606 </para> |
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|
607 |
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|
608 </directive> |
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|
609 |
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|
610 |
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611 <directive name="ntlm"> |
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|
612 <syntax/> |
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|
613 <default/> |
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614 <context>upstream</context> |
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615 <appeared-in>1.9.2</appeared-in> |
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616 |
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617 <para> |
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618 Позволяет проксировать запросы с |
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619 <link url="https://en.wikipedia.org/wiki/Integrated_Windows_Authentication">проверкой |
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|
620 подлинности NTLM</link>. |
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|
621 Соединение с сервером группы привязывается к клиентскому соединению |
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622 как только клиент отправляет запрос, в заголовке которого есть поле |
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623 <header>Authorization</header> со значением, |
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624 начинающимся с “<literal>Negotiate</literal>” или “<literal>NTLM</literal>”. |
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625 Последующие запросы клиента будут проксироваться через это же соединение |
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|
626 с сервером группы, |
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|
627 сохраняя контекст аутентификации. |
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|
628 </para> |
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|
629 |
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|
630 <para> |
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|
631 Для работы проверки подлинности NTLM |
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632 необходимо разрешить постоянные соединения с серверами группы. |
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|
633 Директиву <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/> |
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634 следует установить в “<literal>1.1</literal>”, |
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|
635 а поле заголовка <header>Connection</header> — очистить: |
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|
636 <example> |
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|
637 upstream http_backend { |
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|
638 server 127.0.0.1:8080; |
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|
639 |
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|
640 ntlm; |
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|
641 } |
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|
642 |
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|
643 server { |
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|
644 ... |
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|
645 |
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|
646 location /http/ { |
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|
647 proxy_pass http://http_backend; |
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|
648 proxy_http_version 1.1; |
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|
649 proxy_set_header Connection ""; |
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|
650 ... |
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|
651 } |
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|
652 } |
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|
653 </example> |
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|
654 </para> |
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|
655 |
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|
656 <para> |
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|
657 <note> |
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|
658 При использовании методов балансировки нагрузки, отличных |
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|
659 от стандартного round-robin, следует активировать их до |
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|
660 директивы <literal>ntlm</literal>. |
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|
661 </note> |
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|
662 </para> |
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|
663 |
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|
664 <para> |
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|
665 <note> |
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|
666 Эта директива доступна как часть |
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|
667 <commercial_version>коммерческой подписки</commercial_version>. |
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|
668 </note> |
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|
669 </para> |
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|
670 |
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|
671 </directive> |
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|
672 |
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|
673 |
1125
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|
674 <directive name="least_conn"> |
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|
675 <syntax/> |
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|
676 <default/> |
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|
677 <context>upstream</context> |
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|
678 <appeared-in>1.3.1</appeared-in> |
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|
679 <appeared-in>1.2.2</appeared-in> |
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|
680 |
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|
681 <para> |
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|
682 Задаёт для группы метод балансировки нагрузки, при котором запрос |
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|
683 передаётся серверу с наименьшим числом активных соединений, |
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|
684 с учётом весов серверов. |
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|
685 Если подходит сразу несколько серверов, они выбираются циклически |
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changeset
|
686 (в режиме round-robin) с учётом их весов. |
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|
687 </para> |
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|
688 |
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|
689 </directive> |
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|
690 |
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diff
changeset
|
691 |
1450
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|
692 <directive name="least_time"> |
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|
693 <syntax><literal>header</literal> | <literal>last_byte</literal></syntax> |
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|
694 <default/> |
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|
695 <context>upstream</context> |
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|
696 <appeared-in>1.7.10</appeared-in> |
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|
697 |
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|
698 <para> |
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|
699 Задаёт для группы метод балансировки нагрузки, при котором запрос |
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changeset
|
700 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
|
701 числом активных соединений с учётом весов серверов. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
702 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
|
703 (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
|
704 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
705 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
706 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
707 Если указан параметр <literal>header</literal>, |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
708 то учитывается время получения |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
709 <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
|
710 Если указан параметр <literal>last_byte</literal>, то учитывается |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
711 время получения <link id="var_upstream_response_time">всего ответа</link>. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
712 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
713 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
714 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
715 <note> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
716 Эта директива доступна как часть |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
717 <commercial_version>коммерческой подписки</commercial_version>. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
718 </note> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
719 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
720 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
721 </directive> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
722 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
723 |
1242
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
724 <directive name="health_check"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
725 <syntax>[<value>параметры</value>]</syntax> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
726 <default/> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
727 <context>location</context> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
728 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
729 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
730 Активирует периодические проверки работоспособности серверов в |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
731 <link id="upstream">группе</link>, указанной в содержащем location. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
732 </para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
733 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
734 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
735 Могут быть заданы следующие необязательные параметры: |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
736 <list type="tag"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
737 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
738 <tag-name id="interval"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
739 <literal>interval</literal>=<value>время</value> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
740 </tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
741 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
742 задаёт интервал между двумя последовательными проверками, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
743 по умолчанию 5 секунд; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
744 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
745 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
746 <tag-name id="fails"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
747 <literal>fails</literal>=<value>число</value> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
748 </tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
749 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
750 задаёт число последовательных неуспешных проверок для определённого сервера, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
751 после которых сервер будет считаться неработоспособным, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
752 по умолчанию 1; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
753 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
754 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
755 <tag-name id="passes"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
756 <literal>passes</literal>=<value>число</value> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
757 </tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
758 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
759 задаёт число последовательных успешных проверок для определённого сервера, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
760 после которых сервер будет считаться работоспособным, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
761 по умолчанию 1; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
762 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
763 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
764 <tag-name id="uri"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
765 <literal>uri</literal>=<value>uri</value> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
766 </tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
767 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
768 задаёт URI, используемый в запросах, проверяющих работоспособность, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
769 по умолчанию “<literal>/</literal>”; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
770 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
771 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
772 <tag-name id="hc_match"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
773 <literal>match</literal>=<value>имя</value> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
774 </tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
775 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
776 указывает на блок <literal>match</literal> с условиями, которым должен |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
777 удовлетворять ответ, чтобы результат проверки считался успешным; |
1636
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
778 по умолчанию код ответа должен быть 2xx или 3xx; |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
779 </tag-desc> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
780 |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
781 <tag-name id="health_check_port"> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
782 <literal>port</literal>=<value>число</value> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
783 </tag-name> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
784 <tag-desc> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
785 задаёт порт, используемый при подключении к серверу |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
786 для проверки его работоспособности (1.9.7); |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
787 по умолчанию совпадает с портом <link id="server">сервера</link>. |
1242
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
788 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
789 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
790 </list> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
791 </para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
792 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
793 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
794 В примере |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
795 <example> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
796 location / { |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
797 proxy_pass http://backend; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
798 health_check; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
799 } |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
800 </example> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
801 каждому серверу группы <literal>backend</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
802 с интервалом в 5 секунд посылаются запросы “<literal>/</literal>”. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
803 Если происходит ошибка или таймаут при работе с сервером, или |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
804 код ответа проксируемого сервера не равен |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
805 2xx или 3xx, проверка считается неуспешной и сервер |
935fe5eb82c4
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806 признаётся неработоспособным. |
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807 На неработоспособные серверы клиентские запросы передаваться не будут. |
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808 </para> |
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|
809 |
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|
810 <para> |
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|
811 Проверки работоспособности могут тестировать код ответа, |
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|
812 наличие или отсутствие определённых полей заголовка и их значений, |
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Upstream: translated the "health_check" and "match" directives.
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813 а также содержимое тела ответа. |
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Upstream: translated the "health_check" and "match" directives.
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|
814 Тесты настраиваются отдельно при помощи директивы <link id="match"/> |
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815 и указываются в параметре <literal>match</literal>. |
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|
816 Например: |
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|
817 <example> |
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818 http { |
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|
819 server { |
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|
820 ... |
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|
821 location / { |
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|
822 proxy_pass http://backend; |
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823 health_check match=welcome; |
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824 } |
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825 } |
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|
826 |
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827 match welcome { |
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828 status 200; |
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829 header Content-Type = text/html; |
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|
830 body ~ "Welcome to nginx!"; |
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831 } |
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832 } |
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833 </example> |
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834 В такой конфигурации успешный ответ на проверочный запрос |
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835 должен иметь код 200, тип содержимого “<literal>text/html</literal>” |
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|
836 и “<literal>Welcome to nginx!</literal>” в теле ответа. |
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|
837 </para> |
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|
838 |
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|
839 <para> |
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840 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>. |
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841 </para> |
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842 |
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843 <para> |
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844 Если для группы задано несколько проверок, |
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845 то при любой неуспешной проверке соответствующий сервер будет |
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846 считаться неработоспособным. |
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847 </para> |
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848 |
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849 <para> |
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850 <note> |
1348
5e45198fa991
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851 Обратите внимание, что при использовании проверок |
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852 большинство переменных имеют пустые значения. |
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|
853 </note> |
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|
854 </para> |
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|
855 |
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|
856 <para> |
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|
857 <note> |
1242
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858 Эта директива доступна как часть |
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859 <commercial_version>коммерческой подписки</commercial_version>. |
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860 </note> |
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861 </para> |
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862 |
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863 </directive> |
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864 |
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865 |
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866 <directive name="match"> |
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867 <syntax block="yes"><value>имя</value></syntax> |
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868 <default/> |
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869 <context>http</context> |
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870 |
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871 <para> |
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872 Задаёт именованный набор тестов для анализа ответов |
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873 на запросы проверки работоспособности. |
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874 </para> |
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875 |
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876 <para> |
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877 В ответе могут быть протестированы следующие объекты: |
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878 <list type="tag"> |
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879 |
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880 <tag-name><literal>status 200;</literal></tag-name> |
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881 <tag-desc>код ответа равен 200</tag-desc> |
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882 |
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883 <tag-name><literal>status ! 500;</literal></tag-name> |
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884 <tag-desc>код ответа не равен 500</tag-desc> |
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885 |
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886 <tag-name><literal>status 200 204;</literal></tag-name> |
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887 <tag-desc>код ответа равен 200 или 204</tag-desc> |
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888 |
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889 <tag-name><literal>status ! 301 302;</literal></tag-name> |
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890 <tag-desc>код ответа не равен ни 301, ни 302</tag-desc> |
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891 |
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892 <tag-name><literal>status 200-399;</literal></tag-name> |
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893 <tag-desc>код ответа находится в диапазоне от 200 до 399</tag-desc> |
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894 |
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895 <tag-name><literal>status ! 400-599;</literal></tag-name> |
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896 <tag-desc>код ответа находится вне диапазона от 400 до 599</tag-desc> |
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897 |
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898 <tag-name><literal>status 301-303 307;</literal></tag-name> |
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899 <tag-desc>код ответа равен 301, 302, 303 или 307</tag-desc> |
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900 |
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901 </list> |
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902 |
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903 <list type="tag"> |
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904 |
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905 <tag-name><literal>header Content-Type = text/html;</literal></tag-name> |
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906 <tag-desc> |
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907 заголовок содержит <header>Content-Type</header> |
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908 со значением <literal>text/html</literal> |
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909 </tag-desc> |
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910 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
911 <tag-name><literal>header Content-Type != text/html;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
912 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
913 заголовок содержит <header>Content-Type</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
914 со значением, отличным от <literal>text/html</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
915 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
916 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
917 <tag-name><literal>header Connection ~ close;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
918 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
919 заголовок содержит <header>Connection</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
920 со значением, совпадающим с регулярным выражением <literal>close</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
921 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
922 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
923 <tag-name><literal>header Connection !~ close;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
924 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
925 заголовок содержит <header>Connection</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
926 со значением, не совпадающим с регулярным выражением <literal>close</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
927 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
928 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
929 <tag-name><literal>header Host;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
930 <tag-desc>заголовок содержит <header>Host</header></tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
931 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
932 <tag-name><literal>header ! X-Accel-Redirect;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
933 <tag-desc>заголовок не содержит <header>X-Accel-Redirect</header></tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
934 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
935 </list> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
936 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
937 <list type="tag"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
938 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
939 <tag-name><literal>body ~ "Welcome to nginx!";</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
940 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
941 тело ответа совпадает с регулярным выражением |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
942 “<literal>Welcome to nginx!</literal>” |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
943 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
944 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
945 <tag-name><literal>body !~ "Welcome to nginx!";</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
946 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
947 тело ответа не совпадает с регулярным выражением |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
948 “<literal>Welcome to nginx!</literal>” |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
949 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
950 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
951 </list> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
952 </para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
953 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
954 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
955 Если задано несколько тестов, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
956 то ответ должен удовлетворять всем тестам. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
957 <note> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
958 Проверяются только первые 256 Кбайт тела ответа. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
959 </note> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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1241
diff
changeset
|
960 </para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
961 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
962 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
963 Примеры: |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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1241
diff
changeset
|
964 <example> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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1241
diff
changeset
|
965 # код ответа 200, тип содержимого "text/html" |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
966 # и тело ответа содержит "Welcome to nginx!" |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
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|
967 match welcome { |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
968 status 200; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
969 header Content-Type = text/html; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
970 body ~ "Welcome to nginx!"; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
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|
971 } |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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1241
diff
changeset
|
972 </example> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
973 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
974 <example> |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
975 # код ответа не равен 301, 302, 303 и 307 и заголовок не содержит "Refresh:" |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
976 match not_redirect { |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
977 status ! 301-303 307; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
978 header ! Refresh; |
935fe5eb82c4
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diff
changeset
|
979 } |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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1241
diff
changeset
|
980 </example> |
935fe5eb82c4
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1241
diff
changeset
|
981 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
982 <example> |
935fe5eb82c4
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diff
changeset
|
983 # код ответа успешный и сервер не в сервисном режиме |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
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|
984 match server_ok { |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
985 status 200-399; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
986 body !~ "maintenance mode"; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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1241
diff
changeset
|
987 } |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
988 </example> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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1241
diff
changeset
|
989 |
935fe5eb82c4
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diff
changeset
|
990 </para> |
935fe5eb82c4
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diff
changeset
|
991 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
992 <para> |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
993 <note> |
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diff
changeset
|
994 Эта директива доступна как часть |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
995 <commercial_version>коммерческой подписки</commercial_version>. |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
996 </note> |
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diff
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|
997 </para> |
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diff
changeset
|
998 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
999 </directive> |
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diff
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|
1000 |
935fe5eb82c4
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diff
changeset
|
1001 |
1122
594093ef96b1
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diff
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|
1002 <directive name="queue"> |
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|
1003 <syntax> |
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|
1004 <value>число</value> |
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diff
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|
1005 [<literal>timeout</literal>=<value>время</value>]</syntax> |
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diff
changeset
|
1006 <default/> |
594093ef96b1
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|
1007 <context>upstream</context> |
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|
1008 <appeared-in>1.5.12</appeared-in> |
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|
1009 |
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|
1010 <para> |
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changeset
|
1011 Если при обработке запроса невозможно сразу выбрать сервер группы |
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|
1012 и в группе есть серверы, у которых число соединений достигло |
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|
1013 ограничения <link id="max_conns"/>, |
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|
1014 запрос будет помещён в очередь. |
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diff
changeset
|
1015 Директива задаёт максимальное число запросов, которые могут одновременно |
594093ef96b1
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diff
changeset
|
1016 находиться в очереди. |
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|
1017 Если очередь переполнена |
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Upstream: documented the "queue" directive.
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|
1018 или за время, задаваемое параметром <literal>timeout</literal>, |
594093ef96b1
Upstream: documented the "queue" directive.
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|
1019 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
|
1020 клиенту будет возвращена ошибка |
0ba4b2e561bd
Added 502 error to the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
1021 <http-status code="502" text="Bad Gateway"/>. |
1122
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|
1022 </para> |
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|
1023 |
594093ef96b1
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|
1024 <para> |
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|
1025 По умолчанию параметр <literal>timeout</literal> равен 60 секундам. |
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|
1026 </para> |
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|
1027 |
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|
1028 <para> |
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Upstream: documented the "queue" directive.
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|
1029 <note> |
1128
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De-i18n'ed <commercial_version/>.
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|
1030 Эта директива доступна как часть |
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De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
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|
1031 <commercial_version>коммерческой подписки</commercial_version>. |
1122
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|
1032 </note> |
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|
1033 </para> |
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|
1034 |
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|
1035 </directive> |
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|
1036 |
1234
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diff
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|
1037 |
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|
1038 <directive name="sticky"> |
1259
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|
1039 <syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
1040 <literal>cookie</literal> <value>имя</value> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
1041 [<literal>expires=</literal><value>время</value>] |
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|
1042 [<literal>domain=</literal><value>домен</value>] |
1450
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Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
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1418
diff
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|
1043 [<literal>httponly</literal>] |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
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1418
diff
changeset
|
1044 [<literal>secure</literal>] |
1259
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Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
1045 [<literal>path=</literal><value>путь</value>]</syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
1046 <syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
1047 <literal>route</literal> <value>переменная</value> ...</syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
1048 <syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
1049 <literal>learn</literal> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
1050 <literal>create=</literal><value>$переменная</value> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
1051 <literal>lookup=</literal><value>$переменная</value> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
1052 <literal>zone=</literal><value>имя</value>:<value>размер</value> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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|
1053 [<literal>timeout=</literal><value>время</value>]</syntax> |
1234
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Upstream: translated the "sticky" directive.
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diff
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|
1054 <default/> |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1055 <context>upstream</context> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1056 <appeared-in>1.5.7</appeared-in> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1057 |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
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|
1058 <para> |
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Upstream: translated the "sticky" directive.
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|
1059 Включает режим привязки сеансов, в котором запросы клиента |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1060 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>
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diff
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|
1061 Доступны три метода: |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
1062 <list type="tag"> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
1063 <tag-name id="sticky_cookie"><literal>cookie</literal></tag-name> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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|
1064 <tag-desc> |
1234
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Upstream: translated the "sticky" directive.
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diff
changeset
|
1065 |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1066 <para> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1067 При использовании метода <literal>cookie</literal> информация о |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1068 назначенном сервере передаётся в HTTP-куке: |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1069 <example> |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
1070 upstream backend { |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
1071 server backend1.example.com; |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1072 server backend2.example.com; |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1073 |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1074 sticky cookie srv_id expires=1h domain=.example.com path=/; |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1075 } |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1076 </example> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1077 </para> |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1078 |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1079 <para> |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
1080 Запрос от клиента, ещё не привязанного к определённому серверу, |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
1081 передаётся на сервер, выбранный согласно настроенному методу балансировки. |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1082 Дальнейшие запросы от этого клиента передаются на тот же сервер. |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1083 Если назначенный сервер не может обработать запрос, выбирается новый |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1084 сервер как если бы клиент не имел привязки к серверу. |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1085 </para> |
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Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1086 |
314801ed88e7
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parents:
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diff
changeset
|
1087 <para> |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
1088 Первый параметр задаёт имя куки, которую необходимо установить или проверить. |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
1089 Дополнительные параметры могут быть следующими: |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
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|
1090 <list type="tag"> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1091 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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1418
diff
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|
1092 <tag-name><literal>expires=</literal><value>время</value></tag-name> |
1234
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Upstream: translated the "sticky" directive.
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|
1093 <tag-desc> |
1450
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diff
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|
1094 Задаёт <value>время</value>, в течение которого браузеру необходимо хранить куку. |
1234
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Upstream: translated the "sticky" directive.
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diff
changeset
|
1095 Специальное значение <literal>max</literal> устанавливает срок хранения куки до |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1096 31 декабря 2037 года 23:55:55 GMT. |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1097 Если параметр не указан, то время действия куки ограничивается сессией браузера. |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1098 </tag-desc> |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
1099 |
1450
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|
1100 <tag-name><literal>domain=</literal><value>домен</value></tag-name> |
1234
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Upstream: translated the "sticky" directive.
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|
1101 <tag-desc> |
1450
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|
1102 Задаёт <value>домен</value>, для которого устанавливается кука. |
1234
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|
1103 </tag-desc> |
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|
1104 |
1450
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Updated commercial docs for the upcoming release.
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|
1105 <tag-name><literal>httponly</literal></tag-name> |
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changeset
|
1106 <tag-desc> |
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|
1107 Добавляет атрибут <literal>HttpOnly</literal> к куке (1.7.11). |
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Updated commercial docs for the upcoming release.
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|
1108 </tag-desc> |
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|
1109 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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|
1110 <tag-name><literal>secure</literal></tag-name> |
1234
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changeset
|
1111 <tag-desc> |
1450
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|
1112 Добавляет атрибут <literal>Secure</literal> к куке (1.7.11). |
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|
1113 </tag-desc> |
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|
1114 |
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changeset
|
1115 <tag-name><literal>path=</literal><value>путь</value></tag-name> |
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|
1116 <tag-desc> |
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|
1117 Задаёт <value>путь</value>, для которого устанавливается кука. |
1234
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|
1118 </tag-desc> |
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|
1119 |
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|
1120 </list> |
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|
1121 Если пропущен тот или иной параметр, то соответствующего поля в куке не будет. |
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|
1122 </para> |
1259
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1123 </tag-desc> |
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|
1124 |
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1125 <tag-name id="sticky_route"><literal>route</literal></tag-name> |
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1126 <tag-desc> |
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1127 |
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1128 <para> |
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1129 При использовании метода <literal>route</literal> проксируемый сервер назначает |
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1130 клиенту маршрут по получении первого запроса. |
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1131 Все последующие запросы от этого клиента будут содержать информацию о |
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1132 маршруте в куке или URI. |
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1133 Эта информация сравнивается с параметром “<literal>route</literal>” директивы |
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1134 <link id="server"/> для идентификации сервера, на который |
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1135 следует проксировать запрос. |
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1136 Если назначенный сервер не может обработать запрос, выбирается новый сервер |
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1137 согласно настроенному методу балансировки как если бы в запросе не было |
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1138 информации о маршруте. |
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1139 </para> |
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1140 |
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1141 <para> |
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1142 Параметры метода <literal>route</literal> задают переменные, которые |
1238
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1143 могут содержать информацию о маршруте. |
1234
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1144 Первая непустая переменная используется для поиска соответствующего сервера. |
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1145 </para> |
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1146 |
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1147 <para> |
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1148 Пример: |
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1149 <example> |
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1150 map $cookie_jsessionid $route_cookie { |
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1151 ~.+\.(?P<route>\w+)$ $route; |
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1152 } |
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1153 |
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1154 map $request_uri $route_uri { |
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1155 ~jsessionid=.+\.(?P<route>\w+)$ $route; |
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1156 } |
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1157 |
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1158 upstream backend { |
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1159 server backend1.example.com route=a; |
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1160 server backend2.example.com route=b; |
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1161 |
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1162 sticky route $route_cookie $route_uri; |
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1163 } |
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1164 </example> |
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1165 В этом примере маршрут берётся из куки “<literal>JSESSIONID</literal>”, |
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1166 если она присутствует в запросе. |
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1167 В противном случае используется маршрут из URI. |
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1168 </para> |
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1169 |
1259
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1170 </tag-desc> |
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1171 |
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1172 <tag-name id="sticky_learn"><literal>learn</literal></tag-name> |
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1173 <tag-desc> |
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1174 <para> |
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1175 При использовании метода <literal>learn</literal> (1.7.1) nginx |
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1176 анализирует ответы от вышестоящего сервера и запоминает |
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1177 начатые им сессии, которые обычно передаются в HTTP-куке. |
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1178 <example> |
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1179 upstream backend { |
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1180 server backend1.example.com:8080; |
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1181 server backend2.example.com:8081; |
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1182 |
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1183 sticky learn |
1544
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1184 create=$upstream_cookie_examplecookie |
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1185 lookup=$cookie_examplecookie |
1259
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1186 zone=client_sessions:1m; |
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1187 } |
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1188 </example> |
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1189 |
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1190 В примере выше сервер группы создаёт сессию путём установки |
1544
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1191 куки “<literal>EXAMPLECOOKIE</literal>” в своём ответе. |
1259
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1192 Последующие запросы с этой кукой будут передаваться на этот же сервер. |
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1193 Если сервер не может обработать запрос, выбирается новый |
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1194 сервер как если бы клиент не имел привязки к серверу. |
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1195 </para> |
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1196 |
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1197 <para> |
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1198 Параметры <literal>create</literal> и <literal>lookup</literal> |
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1199 задают переменные, в которых соответственно указывается способ |
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1200 создания новых и поиска существующих сессий. |
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1201 Оба параметра могут быть указаны больше одного раза |
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1202 (в этом случае используется первая непустая переменная). |
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1203 </para> |
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1204 |
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1205 <para> |
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1206 Сессии хранятся в зоне разделяемой памяти, <value>имя</value> и |
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1207 <value>размер</value> которой задаются параметром <literal>zone</literal>. |
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1208 Зоны размером в 1 мегабайт достаточно для хранения около 8 тысяч сессий |
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1209 на 64-битной платформе. |
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1210 Сессии, к которым не было обращений в течение времени, заданного параметром |
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1211 <literal>timeout</literal>, удаляются из зоны. |
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1212 По умолчанию <literal>timeout</literal> равен 10 минутам. |
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1213 </para> |
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1214 |
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|
1215 </tag-desc> |
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1216 </list> |
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1217 </para> |
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|
1218 |
1234
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1219 <para> |
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1220 <note> |
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|
1221 Эта директива доступна как часть |
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1222 <commercial_version>коммерческой подписки</commercial_version>. |
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1223 </note> |
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1224 </para> |
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1225 |
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1226 </directive> |
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|
1227 |
1237
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|
1228 |
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|
1229 <directive name="sticky_cookie_insert"> |
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1230 <syntax><value>имя</value> |
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1231 [<literal>expires=</literal><value>время</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1232 [<literal>domain=</literal><value>домен</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1233 [<literal>path=</literal><value>путь</value>]</syntax> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1234 <default/> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1235 <context>upstream</context> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1236 |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1237 <para> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1238 Эта директива устарела начиная с версии 1.5.7. |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1239 Вместо неё следует использовать аналогичную директиву |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1240 <link id="sticky"/> с изменённым синтаксисом: |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1241 <note> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1242 <literal>sticky cookie</literal> <value>имя</value> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1243 [<literal>expires=</literal><value>время</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1244 [<literal>domain=</literal><value>домен</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1245 [<literal>path=</literal><value>путь</value>]; |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1246 </note> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1247 </para> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1248 |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1249 </directive> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1250 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1251 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1252 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1253 |
292 | 1254 <section id="variables" name="Встроенные переменные"> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1255 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1256 <para> |
292 | 1257 Модуль <literal>ngx_http_upstream_module</literal> |
1258 поддерживает следующие встроенные переменные: | |
1259 <list type="tag"> | |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1260 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1261 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name> |
292 | 1262 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1263 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
|
1264 Если при обработке запроса были сделаны обращения к нескольким серверам, |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1265 то их адреса разделяются запятой, например, |
292 | 1266 “<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
|
1267 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
|
1268 с помощью |
292 | 1269 <header>X-Accel-Redirect</header> или |
1270 <link doc="ngx_http_core_module.xml" id="error_page"/>, | |
966 | 1271 то адреса, соответствующие разным группам серверов, разделяются двоеточием, |
1272 например, | |
292 | 1273 “<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>”. |
1274 </tag-desc> | |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1275 |
1783
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1276 <tag-name id="var_upstream_bytes_received"><var>$upstream_bytes_received</var></tag-name> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1277 <tag-desc> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1278 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
|
1279 Значения нескольких соединений |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1280 разделяются запятыми и двоеточиями подобно адресам в переменной |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1281 <link id="var_upstream_addr">$upstream_addr</link>. |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1282 </tag-desc> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1283 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1284 <tag-name id="var_upstream_cache_status"><var>$upstream_cache_status</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1285 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1286 <tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1287 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
|
1288 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
|
1289 “<literal>BYPASS</literal>”, “<literal>EXPIRED</literal>”, |
1016
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1290 “<literal>STALE</literal>”, “<literal>UPDATING</literal>”, |
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1291 “<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
|
1292 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1293 |
1481
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1294 <tag-name id="var_upstream_connect_time"><var>$upstream_connect_time</var> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1295 </tag-name> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1296 <tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1297 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
|
1298 время хранится в секундах с точностью до миллисекунд. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1299 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
|
1300 Времена нескольких соединений |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1301 разделяются запятыми и двоеточиями подобно адресам в переменной |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1302 <link id="var_upstream_addr">$upstream_addr</link>. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1303 </tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1304 |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1305 <tag-name id="var_upstream_cookie_"><var>$upstream_cookie_</var><value>имя</value> |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1306 </tag-name> |
1186
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1307 <tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1308 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
|
1309 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
|
1310 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
|
1311 последнего сервера. |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1312 </tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1313 |
1393
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1314 <tag-name id="var_upstream_header_time"><var>$upstream_header_time</var> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1315 </tag-name> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1316 <tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1317 хранит время, |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1318 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
|
1319 время хранится в секундах с точностью до миллисекунд. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1320 Времена нескольких ответов |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1321 разделяются запятыми и двоеточиями подобно адресам в переменной |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1322 <link id="var_upstream_addr">$upstream_addr</link>. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1323 </tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1324 |
1392
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1325 <tag-name id="var_upstream_http_"><var>$upstream_http_</var><value>имя</value></tag-name> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1326 <tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1327 хранят поля заголовка ответа сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1328 Например, поле заголовка ответа <header>Server</header> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1329 доступно в переменной <var>$upstream_http_server</var>. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1330 Правила преобразования имён полей заголовка ответа в имена переменных |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1331 такие же, как для переменных с префиксом |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1332 “<link doc="ngx_http_core_module.xml" id="var_http_">$http_</link>”. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1333 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
|
1334 последнего сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1335 </tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1336 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1337 <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
|
1338 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1339 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1340 хранит длину ответа, полученного от сервера группы (0.7.27); |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1341 длина хранится в байтах. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1342 Длины нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1343 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1344 <link id="var_upstream_addr">$upstream_addr</link>. |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1345 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1346 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1347 <tag-name id="var_upstream_response_time"><var>$upstream_response_time</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1348 </tag-name> |
292 | 1349 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1350 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
|
1351 время хранится в секундах с точностью до миллисекунд. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1352 Времена нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1353 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1354 <link id="var_upstream_addr">$upstream_addr</link>. |
292 | 1355 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1356 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1357 <tag-name id="var_upstream_status"><var>$upstream_status</var></tag-name> |
292 | 1358 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1359 хранит статус ответа, полученного от сервера группы. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1360 Статусы нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1361 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1362 <link id="var_upstream_addr">$upstream_addr</link>. |
292 | 1363 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1364 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1365 </list> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1366 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1367 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1368 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1369 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1370 </module> |