Mercurial > hg > nginx-site
annotate xml/ru/docs/stream/ngx_stream_upstream_module.xml @ 1867:e42f6c54ea5f
Added ES7 exponentiation operators support to "About nginScript".
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Tue, 20 Dec 2016 16:05:31 +0300 |
parents | 6f2c5a36b4d1 |
children | 6225d50b3cba |
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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) Nginx, Inc. |
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5 --> |
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6 |
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7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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8 |
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9 <module name="Модуль ngx_stream_upstream_module" |
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10 link="/ru/docs/stream/ngx_stream_upstream_module.html" |
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11 lang="ru" |
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12 rev="22"> |
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13 |
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14 <section id="summary"> |
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15 |
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16 <para> |
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17 Модуль <literal>ngx_stream_upstream_module</literal> (1.9.0) |
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18 позволяет описывать группы серверов, |
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19 которые могут использоваться в директиве |
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20 <link doc="ngx_stream_proxy_module.xml" id="proxy_pass"/>. |
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21 </para> |
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22 |
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23 </section> |
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24 |
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25 |
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26 <section id="example" name="Пример конфигурации"> |
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27 |
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28 <para> |
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29 <example> |
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30 upstream <emphasis>backend</emphasis> { |
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31 hash $remote_addr consistent; |
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32 |
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33 server backend1.example.com:12345 weight=5; |
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34 server backend2.example.com:12345; |
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35 server unix:/tmp/backend3; |
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36 |
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37 server backup1.example.com:12345 backup; |
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38 server backup2.example.com:12345 backup; |
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39 } |
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40 |
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41 server { |
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42 listen 12346; |
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43 proxy_pass <emphasis>backend</emphasis>; |
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44 } |
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45 </example> |
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46 </para> |
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47 |
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48 <para> |
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49 Динамически настраиваемая группа, |
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50 доступна как часть |
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51 <commercial_version>коммерческой подписки</commercial_version>: |
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52 <example> |
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53 resolver 10.0.0.1; |
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54 |
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55 upstream <emphasis>dynamic</emphasis> { |
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56 zone upstream_dynamic 64k; |
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57 |
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58 server backend1.example.com:12345 weight=5; |
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59 server backend2.example.com:12345 fail_timeout=5s slow_start=30s; |
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60 server 192.0.2.1:12345 max_fails=3; |
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61 server backend3.example.com:12345 resolve; |
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62 server backend4.example.com service=http resolve; |
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63 |
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64 server backup1.example.com:12345 backup; |
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65 server backup2.example.com:12345 backup; |
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66 } |
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67 |
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68 server { |
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69 listen 12346; |
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70 proxy_pass <emphasis>dynamic</emphasis>; |
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71 health_check; |
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72 } |
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73 </example> |
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74 </para> |
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75 |
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76 </section> |
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77 |
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78 |
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79 <section id="directives" name="Директивы"> |
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80 |
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81 <directive name="upstream"> |
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82 <syntax block="yes"><value>название</value></syntax> |
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83 <default/> |
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84 <context>stream</context> |
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85 |
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86 <para> |
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87 Описывает группу серверов. |
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88 Серверы могут слушать на разных портах. |
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89 Кроме того, можно одновременно использовать серверы, |
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90 слушающие на TCP- и UNIX-сокетах. |
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91 </para> |
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92 |
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93 <para> |
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94 Пример: |
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95 <example> |
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96 upstream backend { |
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97 server backend1.example.com:12345 weight=5; |
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98 server 127.0.0.1:12345 max_fails=3 fail_timeout=30s; |
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99 server unix:/tmp/backend2; |
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100 server backend3.example.com:12345 resolve; |
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101 |
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102 server backup1.example.com:12345 backup; |
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103 } |
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104 </example> |
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105 </para> |
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106 |
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107 <para> |
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108 По умолчанию соединения распределяются по серверам циклически |
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109 (в режиме round-robin) с учётом весов серверов. |
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110 В вышеприведённом примере каждые 7 соединений будут распределены так: |
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111 5 соединений на <literal>backend1.example.com:12345</literal> |
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112 и по одному соединению на второй и третий серверы. |
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113 Если при попытке работы с сервером происходит ошибка, то соединение |
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114 передаётся следующему серверу, и так далее до тех пор, пока не будут опробованы |
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115 все работающие серверы. |
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116 Если связь с серверами не удалась, соединение будет закрыто. |
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117 </para> |
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118 |
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119 </directive> |
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120 |
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121 |
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122 <directive name="server"> |
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123 <syntax><value>адрес</value> [<value>параметры</value>]</syntax> |
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124 <default/> |
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125 <context>upstream</context> |
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126 |
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127 <para> |
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128 Задаёт <value>адрес</value> и другие <value>параметры</value> |
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129 сервера. |
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130 Адрес может быть указан в виде доменного имени или IP-адреса, |
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131 и обязательного порта, или в виде пути UNIX-сокета, который |
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132 указывается после префикса “<literal>unix:</literal>”. |
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133 Доменное имя, которому соответствует несколько IP-адресов, |
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134 задаёт сразу несколько серверов. |
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135 </para> |
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136 |
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137 <para> |
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138 Могут быть заданы следующие параметры: |
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139 <list type="tag"> |
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140 |
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141 <tag-name id="weight"> |
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142 <literal>weight</literal>=<value>число</value> |
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143 </tag-name> |
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144 <tag-desc> |
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145 задаёт вес сервера, по умолчанию 1. |
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146 </tag-desc> |
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147 |
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148 <tag-name id="max_conns"> |
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149 <literal>max_conns</literal>=<value>число</value> |
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150 </tag-name> |
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151 <tag-desc> |
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152 ограничивает максимальное <value>число</value> одновременных |
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153 соединений к проксируемому серверу (1.11.5). |
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154 Значение по умолчанию равно 0 и означает, что ограничения нет. |
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155 Если группа не находится в <link id="zone">зоне разделяемой памяти</link>, |
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156 то ограничение работает отдельно для каждого рабочего процесса. |
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157 <note> |
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158 До версии 1.11.5 этот параметр был доступен как часть |
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159 <commercial_version>коммерческой подписки</commercial_version>. |
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160 </note> |
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161 </tag-desc> |
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162 |
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163 <tag-name id="max_fails"> |
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164 <literal>max_fails</literal>=<value>число</value> |
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165 </tag-name> |
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166 <tag-desc> |
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167 задаёт число неудачных попыток работы с сервером, которые должны произойти |
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168 в течение времени, заданного параметром <literal>fail_timeout</literal>, |
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169 чтобы сервер считался недоступным на период времени, также заданный |
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170 параметром <literal>fail_timeout</literal>. |
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171 По умолчанию число попыток устанавливается равным 1. |
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172 Нулевое значение отключает учёт попыток. |
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173 В данном случае неудачной попыткой считается ошибка или таймаут |
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174 при установке соединения с сервером. |
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175 </tag-desc> |
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176 |
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177 <tag-name id="fail_timeout"> |
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178 <literal>fail_timeout</literal>=<value>время</value> |
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179 </tag-name> |
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180 <tag-desc> |
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181 задаёт |
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182 <list type="bullet"> |
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183 |
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184 <listitem> |
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185 время, в течение которого должно произойти заданное число неудачных |
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186 попыток работы с сервером для того, чтобы сервер считался недоступным; |
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187 </listitem> |
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188 |
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189 <listitem> |
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190 и время, в течение которого сервер будет считаться недоступным. |
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191 </listitem> |
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192 |
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193 </list> |
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194 По умолчанию параметр равен 10 секундам. |
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195 </tag-desc> |
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196 |
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197 <tag-name id="backup"> |
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198 <literal>backup</literal> |
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199 </tag-name> |
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200 <tag-desc> |
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201 помечает сервер как запасной сервер. |
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202 На него будут передаваться соединения в случае, |
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203 если не работают основные серверы. |
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204 </tag-desc> |
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205 |
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206 <tag-name id="down"> |
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207 <literal>down</literal> |
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208 </tag-name> |
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209 <tag-desc> |
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210 помечает сервер как постоянно недоступный. |
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211 </tag-desc> |
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212 |
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213 </list> |
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214 </para> |
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215 |
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216 <para> |
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217 Кроме того, |
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218 следующие параметры доступны как часть |
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219 <commercial_version>коммерческой подписки</commercial_version>: |
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220 <list type="tag"> |
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221 |
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222 <tag-name id="resolve"> |
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223 <literal>resolve</literal> |
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224 </tag-name> |
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225 <tag-desc> |
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226 отслеживает изменения IP-адресов, соответствующих доменному имени сервера, |
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227 и автоматически изменяет конфигурацию группы |
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228 без необходимости перезапуска nginx. |
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229 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>. |
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230 <para> |
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231 Для работы этого параметра |
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232 директива <link doc="ngx_stream_core_module.xml" id="resolver"/> |
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233 должна быть задана в блоке |
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234 <link doc="ngx_stream_core_module.xml" id="stream"/>. |
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235 Пример: |
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236 <example> |
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237 stream { |
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238 resolver 10.0.0.1; |
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239 |
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240 upstream u { |
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241 zone ...; |
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242 ... |
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243 server example.com:12345 resolve; |
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244 } |
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245 } |
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246 </example> |
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247 </para> |
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248 </tag-desc> |
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249 |
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250 <tag-name id="service"> |
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251 <literal>service</literal>=<value>имя</value> |
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252 </tag-name> |
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253 <tag-desc> |
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254 включает преобразование |
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255 <link url="https://tools.ietf.org/html/rfc2782">SRV</link>-записей |
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256 DNS и задаёт <value>имя</value> сервиса (1.9.13). |
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257 Для работы параметра необходимо указать |
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258 параметр <link id="resolve"/> для сервера |
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259 и не указывать порт сервера. |
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260 <para> |
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261 Если имя сервиса не содержит точку (“<literal>.</literal>”), то |
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262 имя составляется в соответствии с |
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263 <link url="https://tools.ietf.org/html/rfc2782">RFC</link> |
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264 и в префикс службы добавляется протокол TCP. |
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265 Например, для получения |
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266 SRV-записи <literal>_http._tcp.backend.example.com</literal> |
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267 необходимо указать директиву: |
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268 <example> |
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269 server backend.example.com service=http resolve; |
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270 </example> |
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271 Если имя сервиса содержит одну и более точек, то имя составляется |
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272 при помощи соединения префикса службы и имени сервера. |
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273 Например, для получения SRV-записей |
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274 <literal>_http._tcp.backend.example.com</literal> |
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275 и <literal>server1.backend.example.com</literal> |
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276 необходимо указать директивы: |
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277 <example> |
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278 server backend.example.com service=_http._tcp resolve; |
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279 server example.com service=server1.backend resolve; |
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280 </example> |
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281 </para> |
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282 |
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283 <para> |
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284 SRV-записи с наивысшим приоритетом |
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285 (записи с одинаковым наименьшим значением приоритета) |
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286 преобразуются в основные серверы, |
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287 остальные SRV-записи преобразуются в запасные серверы. |
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288 Если в конфигурации сервера указан параметр <link id="backup"/>, |
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289 высокоприоритетные SRV-записи преобразуются в запасные серверы, |
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290 остальные SRV-записи игнорируются. |
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291 </para> |
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292 </tag-desc> |
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293 |
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294 <tag-name id="slow_start"> |
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295 <literal>slow_start</literal>=<value>время</value> |
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296 </tag-name> |
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297 <tag-desc> |
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298 задаёт <value>время</value>, в течение которого вес сервера |
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299 восстановится от нуля до своего номинального значения в ситуации, когда |
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300 неработоспособный (unhealthy) сервер вновь становится работоспособным |
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301 (<link id="health_check">healthy</link>) |
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302 или когда сервер становится доступным по прошествии времени, |
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303 в течение которого он считался <link id="fail_timeout">недоступным</link>. |
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304 Значение по умолчанию равно нулю и означает, что медленный старт выключен. |
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305 <note> |
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306 Параметр нельзя использовать совместно с |
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307 методом балансировки нагрузки <link id="hash"/>. |
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308 </note> |
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309 </tag-desc> |
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310 |
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311 </list> |
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312 </para> |
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313 |
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314 <para> |
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315 <note> |
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316 Если в группе только один сервер, параметры <literal>max_fails</literal>, |
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317 <literal>fail_timeout</literal> и <literal>slow_start</literal> |
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318 игнорируются и такой сервер никогда не будет считаться недоступным. |
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319 </note> |
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320 </para> |
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321 |
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322 </directive> |
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323 |
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324 |
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325 <directive name="zone"> |
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326 <syntax><value>имя</value> [<value>размер</value>]</syntax> |
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327 <default/> |
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328 <context>upstream</context> |
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329 |
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330 <para> |
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331 Задаёт <value>имя</value> и <value>размер</value> зоны разделяемой памяти, |
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332 в которой хранятся конфигурация группы и её рабочее состояние, |
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333 разделяемые между рабочими процессами. |
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334 В одной и той же зоне могут быть сразу несколько групп. |
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335 В этом случае достаточно указать <value>размер</value> только один раз. |
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336 </para> |
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337 |
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338 <para> |
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339 Дополнительно, как часть |
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340 <commercial_version>коммерческой подписки</commercial_version>, |
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341 в таких группах для изменения состава группы |
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342 или настроек отдельных серверов |
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343 нет необходимости перезапускать nginx. |
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344 Конфигурация доступна через специальный location, |
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345 в котором указана директива |
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346 <link doc="../http/ngx_http_upstream_conf_module.xml" id="upstream_conf"/>. |
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347 </para> |
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348 |
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349 </directive> |
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350 |
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351 |
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352 <directive name="state"> |
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353 <syntax><value>файл</value></syntax> |
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354 <default/> |
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355 <context>upstream</context> |
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356 <appeared-in>1.9.7</appeared-in> |
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357 |
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358 <para> |
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359 Задаёт <value>файл</value>, в котором хранится состояние |
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360 динамически настраиваемой группы. |
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361 </para> |
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362 |
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363 <para> |
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364 Примеры: |
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365 <example> |
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366 state /var/lib/nginx/state/servers.conf; # путь для Linux |
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367 state /var/db/nginx/state/servers.conf; # путь для FreeBSD |
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368 </example> |
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369 </para> |
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370 |
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371 <para> |
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372 В данный момент состояние ограничено списком серверов с их параметрами. |
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373 Файл читается при парсинге конфигурации и обновляется каждый раз при |
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374 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf">изменении</link> |
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375 конфигурации группы. |
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376 Изменение содержимого файла напрямую не рекомендуется. |
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377 Директиву нельзя использовать |
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378 совместно с директивой <link id="server"/>. |
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379 </para> |
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380 |
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381 <para> |
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382 <note> |
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383 Изменения, совершённые в момент |
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384 <link doc="../control.xml" id="reconfiguration">перезагрузки конфигурации</link> |
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385 или <link doc="../control.xml" id="upgrade">обновления бинарного файла</link>, |
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386 могут быть потеряны. |
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387 </note> |
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388 </para> |
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389 |
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390 <para> |
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391 <note> |
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392 Эта директива доступна как часть |
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393 <commercial_version>коммерческой подписки</commercial_version>. |
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394 </note> |
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395 </para> |
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396 |
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397 </directive> |
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398 |
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399 |
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400 <directive name="hash"> |
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401 <syntax><value>ключ</value> [<literal>consistent</literal>]</syntax> |
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402 <default/> |
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403 <context>upstream</context> |
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404 |
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405 <para> |
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406 Задаёт метод балансировки нагрузки для группы, при котором |
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407 соответствие клиента серверу определяется при помощи |
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408 хэшированного значения <value>ключа</value>. |
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409 В качестве <value>ключа</value> может использоваться текст, переменные |
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410 и их комбинации (1.11.2). |
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411 Пример использования: |
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412 <example> |
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413 hash $remote_addr; |
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414 </example> |
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415 Следует отметить, что любое добавление или удаление серверов в группе |
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416 может привести к перераспределению большинства ключей на другие серверы. |
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417 Метод совместим с библиотекой Perl |
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418 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached">Cache::Memcached</link>. |
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419 </para> |
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420 |
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421 <para> |
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422 Если задан параметр <literal>consistent</literal>, то вместо |
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423 вышеописанного метода будет использоваться метод консистентного хэширования |
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424 <link url="http://www.last.fm/user/RJ/journal/2007/04/10/392555/">ketama</link>. |
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425 Метод гарантирует, что при добавлении сервера в группу или его удалении |
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426 на другие серверы будет перераспределено минимальное число ключей. |
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427 Применение метода для кэширующих серверов обеспечивает |
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428 больший процент попаданий в кэш. |
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429 Метод совместим с библиотекой Perl |
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430 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached%3A%3AFast">Cache::Memcached::Fast</link> |
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431 при значении параметра <value>ketama_points</value> равным 160. |
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432 </para> |
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433 |
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434 </directive> |
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435 |
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436 |
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437 <directive name="least_conn"> |
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438 <syntax/> |
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439 <default/> |
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440 <context>upstream</context> |
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441 |
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442 <para> |
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443 Задаёт для группы метод балансировки нагрузки, при котором соединение |
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444 передаётся серверу с наименьшим числом активных соединений, |
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445 с учётом весов серверов. |
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446 Если подходит сразу несколько серверов, они выбираются циклически |
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447 (в режиме round-robin) с учётом их весов. |
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448 </para> |
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449 |
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450 </directive> |
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451 |
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452 |
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453 <directive name="least_time"> |
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454 <syntax><literal>connect</literal> | |
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|
455 <literal>first_byte</literal> | |
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|
456 <literal>last_byte</literal></syntax> |
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|
457 <default/> |
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|
458 <context>upstream</context> |
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|
459 |
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changeset
|
460 <para> |
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diff
changeset
|
461 Задаёт для группы метод балансировки нагрузки, при котором соединение |
f93a5aadad2c
Translated the stream upstream module into Russian.
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parents:
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diff
changeset
|
462 передаётся серверу с наименьшими средним временем ответа и |
f93a5aadad2c
Translated the stream upstream module into Russian.
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diff
changeset
|
463 числом активных соединений с учётом весов серверов. |
f93a5aadad2c
Translated the stream upstream module into Russian.
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diff
changeset
|
464 Если подходит сразу несколько серверов, то они выбираются циклически |
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Translated the stream upstream module into Russian.
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diff
changeset
|
465 (в режиме round-robin) с учётом их весов. |
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|
466 </para> |
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|
467 |
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|
468 <para> |
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diff
changeset
|
469 Если указан параметр <literal>connect</literal>, |
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Translated the stream upstream module into Russian.
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changeset
|
470 то учитывается время соединения с сервером группы. |
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Translated the stream upstream module into Russian.
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changeset
|
471 Если указан параметр <literal>first_byte</literal>, |
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Translated the stream upstream module into Russian.
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parents:
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diff
changeset
|
472 то учитывается время получения первого байта данных. |
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Translated the stream upstream module into Russian.
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parents:
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diff
changeset
|
473 Если указан параметр <literal>last_byte</literal>, |
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Translated the stream upstream module into Russian.
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parents:
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changeset
|
474 то учитывается время получения ответа. |
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|
475 </para> |
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changeset
|
476 |
1462
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Documented OSS stream modules.
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|
477 <para> |
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diff
changeset
|
478 <note> |
1728
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changeset
|
479 Эта директива доступна как часть |
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|
480 <commercial_version>коммерческой подписки</commercial_version>. |
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|
481 </note> |
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|
482 </para> |
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changeset
|
483 |
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|
484 </directive> |
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changeset
|
485 |
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Updated commercial docs for the upcoming release.
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changeset
|
486 |
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Updated commercial docs for the upcoming release.
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changeset
|
487 <directive name="health_check"> |
1728
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diff
changeset
|
488 <syntax>[<value>параметры</value>]</syntax> |
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|
489 <default/> |
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changeset
|
490 <context>server</context> |
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Updated commercial docs for the upcoming release.
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changeset
|
491 |
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Updated commercial docs for the upcoming release.
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parents:
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changeset
|
492 <para> |
1728
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Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
493 Активирует периодические проверки работоспособности серверов в |
f93a5aadad2c
Translated the stream upstream module into Russian.
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diff
changeset
|
494 <link id="upstream">группе</link>. |
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changeset
|
495 </para> |
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Updated commercial docs for the upcoming release.
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parents:
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changeset
|
496 |
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Updated commercial docs for the upcoming release.
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parents:
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diff
changeset
|
497 <para> |
1728
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Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
498 Могут быть заданы следующие необязательные параметры: |
1450
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Updated commercial docs for the upcoming release.
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diff
changeset
|
499 <list type="tag"> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
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diff
changeset
|
500 |
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Updated commercial docs for the upcoming release.
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parents:
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diff
changeset
|
501 <tag-name id="interval"> |
1728
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Translated the stream upstream module into Russian.
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parents:
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diff
changeset
|
502 <literal>interval</literal>=<value>время</value> |
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changeset
|
503 </tag-name> |
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Updated commercial docs for the upcoming release.
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changeset
|
504 <tag-desc> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
505 задаёт интервал между двумя последовательными проверками, |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
506 по умолчанию 5 секунд; |
1450
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Updated commercial docs for the upcoming release.
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diff
changeset
|
507 </tag-desc> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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diff
changeset
|
508 |
1866
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
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parents:
1817
diff
changeset
|
509 <tag-name id="health_check_jitter"> |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
510 <literal>jitter</literal>=<value>время</value> |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
511 </tag-name> |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
512 <tag-desc> |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
513 задаёт время, в пределах которого |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
514 случайным образом задерживается каждая проверка, |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
515 по умолчанию задержки нет; |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
516 </tag-desc> |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
517 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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1410
diff
changeset
|
518 <tag-name id="fails"> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
519 <literal>fails</literal>=<value>число</value> |
1450
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Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
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changeset
|
520 </tag-name> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
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diff
changeset
|
521 <tag-desc> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
522 задаёт число последовательных неуспешных проверок для определённого сервера, |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
523 после которых сервер будет считаться неработоспособным, |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
524 по умолчанию 1; |
1450
f5b5eefc43cb
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parents:
1410
diff
changeset
|
525 </tag-desc> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
526 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
527 <tag-name id="passes"> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
528 <literal>passes</literal>=<value>число</value> |
1450
f5b5eefc43cb
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parents:
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diff
changeset
|
529 </tag-name> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
1410
diff
changeset
|
530 <tag-desc> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
531 задаёт число последовательных успешных проверок для определённого сервера, |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
532 после которых сервер будет считаться работоспособным, |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
533 по умолчанию 1; |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
534 </tag-desc> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
535 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
536 <tag-name id="hc_match"> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
537 <literal>match</literal>=<value>имя</value> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
538 </tag-name> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
539 <tag-desc> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
540 указывает на блок <literal>match</literal> с условиями, которым должно |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
541 удовлетворять соединение, чтобы результат проверки считался успешным; |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
542 по умолчанию проверяется лишь возможность установки TCP-соединения с сервером; |
1636
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
543 </tag-desc> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
544 |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
545 <tag-name id="health_check_port"> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
546 <literal>port</literal>=<value>число</value> |
1636
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
547 </tag-name> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
548 <tag-desc> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
549 задаёт порт, используемый при подключении к серверу |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
550 для проверки его работоспособности (1.9.7); |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
551 по умолчанию совпадает с портом <link id="server">сервера</link>. |
1680
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
552 </tag-desc> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
553 |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
554 <tag-name id="health_check_udp"> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
555 <literal>udp</literal> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
556 </tag-name> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
557 <tag-desc> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
558 указывает, что для проверки работоспособности будет использоваться протокол |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
559 <literal>UDP</literal> |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
560 вместо протокола <literal>TCP</literal>, используемого по умолчанию (1.9.13); |
1799
386a9a8a7ddc
Fixed a typo in the "udp" parameter of stream health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
561 требует наличия блока <link id="hc_match">match</link> с параметрами |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
562 <link id="match_send">send</link> и <link id="match_expect">expect</link>. |
1450
f5b5eefc43cb
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563 </tag-desc> |
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|
564 |
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|
565 </list> |
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|
566 </para> |
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|
567 |
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|
568 <para> |
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changeset
|
569 В примере |
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|
570 <example> |
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|
571 server { |
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|
572 proxy_pass backend; |
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|
573 health_check; |
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|
574 } |
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|
575 </example> |
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changeset
|
576 для каждого сервера группы <literal>backend</literal> |
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Translated the stream upstream module into Russian.
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|
577 с интервалом в 5 секунд проверяется возможность установки TCP-соединения. |
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parents:
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diff
changeset
|
578 Если соединение с сервером не может быть установлено, |
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Translated the stream upstream module into Russian.
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|
579 проверка считается неуспешной и сервер |
f93a5aadad2c
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diff
changeset
|
580 признаётся неработоспособным. |
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|
581 На неработоспособные серверы клиентские соединения передаваться не будут. |
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|
582 </para> |
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|
583 |
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|
584 <para> |
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changeset
|
585 Проверки работоспособности могут тестировать данные, полученные от сервера. |
f93a5aadad2c
Translated the stream upstream module into Russian.
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diff
changeset
|
586 Тесты настраиваются отдельно при помощи директивы <link id="match"/> |
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|
587 и указываются в параметре <literal>match</literal>. |
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|
588 </para> |
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|
589 |
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|
590 <para> |
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changeset
|
591 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>. |
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|
592 </para> |
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|
593 |
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changeset
|
594 <para> |
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diff
changeset
|
595 Если для группы задано несколько проверок, |
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Translated the stream upstream module into Russian.
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changeset
|
596 то при любой неуспешной проверке соответствующий сервер будет |
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diff
changeset
|
597 считаться неработоспособным. |
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|
598 </para> |
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|
599 |
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|
600 <para> |
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|
601 <note> |
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Translated the stream upstream module into Russian.
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changeset
|
602 Эта директива доступна как часть |
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Translated the stream upstream module into Russian.
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diff
changeset
|
603 <commercial_version>коммерческой подписки</commercial_version>. |
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|
604 </note> |
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|
605 </para> |
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|
606 |
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|
607 </directive> |
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|
608 |
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|
609 |
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|
610 <directive name="health_check_timeout"> |
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diff
changeset
|
611 <syntax><value>время</value></syntax> |
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|
612 <default>5s</default> |
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613 <context>stream</context> |
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|
614 <context>server</context> |
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|
615 |
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|
616 <para> |
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diff
changeset
|
617 Переопределяет значение |
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|
618 <link doc="ngx_stream_proxy_module.xml" id="proxy_timeout"/> |
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|
619 для проверок работоспособности. |
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|
620 </para> |
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|
621 |
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|
622 <para> |
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|
623 <note> |
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|
624 Эта директива доступна как часть |
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|
625 <commercial_version>коммерческой подписки</commercial_version>. |
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626 </note> |
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|
627 </para> |
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|
628 |
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|
629 </directive> |
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|
630 |
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|
631 |
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|
632 <directive name="match"> |
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|
633 <syntax block="yes"><value>имя</value> </syntax> |
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|
634 <default/> |
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|
635 <context>stream</context> |
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|
636 |
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|
637 <para> |
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|
638 Задаёт именованный набор тестов для для анализа ответов сервера |
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|
639 на запросы проверки работоспособности. |
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|
640 </para> |
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|
641 |
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|
642 <para> |
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|
643 Могут быть заданы следующие параметры: |
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|
644 <list type="tag"> |
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|
645 |
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|
646 <tag-name id="match_send"> |
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|
647 <literal>send</literal> <value>строка</value>; |
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|
648 </tag-name> |
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|
649 <tag-desc> |
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changeset
|
650 отправляет <value>строку</value> на сервер; |
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|
651 </tag-desc> |
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|
652 |
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|
653 <tag-name id="match_expect"> |
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|
654 <literal>expect</literal> <value>стока</value> | |
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|
655 <literal>~</literal> <value>regex</value>; |
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|
656 </tag-name> |
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|
657 <tag-desc> |
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Translated the stream upstream module into Russian.
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diff
changeset
|
658 текстовая строка (1.9.12) или регулярное выражение, |
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|
659 которым должны соответствовать данные, полученные с сервера. |
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changeset
|
660 Регулярное выражение задаётся либо с модификатором |
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|
661 “<literal>~*</literal>” (для поиска совпадения без учёта регистра символов), |
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changeset
|
662 либо с модификатором “<literal>~</literal>” (с учётом регистра). |
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|
663 </tag-desc> |
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|
664 |
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|
665 </list> |
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changeset
|
666 Параметры <literal>send</literal> и <literal>expect</literal> |
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changeset
|
667 могут содержать строки в шестнадцатеричном виде |
f93a5aadad2c
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changeset
|
668 с префиксом “<literal>\x</literal>” |
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changeset
|
669 и последующими двумя шестнадцатеричными цифрами, |
f93a5aadad2c
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changeset
|
670 например “<literal>\x80</literal>” (1.9.12). |
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|
671 </para> |
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|
672 |
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|
673 <para> |
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changeset
|
674 Проверка работоспособности считается успешной, если |
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|
675 <list type="bullet"> |
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Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
676 <listitem> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
677 TCP-соединение успешно установлено; |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
678 </listitem> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
679 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
680 <listitem> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
681 <value>строка</value> из параметра <literal>send</literal> |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
682 была отправлена (если была задана); |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
683 </listitem> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
684 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
685 <listitem> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
686 данные, полученные от сервера, совпали со строкой или регулярным выражением |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
687 из параметра <literal>expect</literal> (если был задан); |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
688 </listitem> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
689 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
690 <listitem> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
691 истёкшее время не превышает значение, указанное |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
692 в директиве <link id="health_check_timeout"/>. |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
693 </listitem> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
694 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
695 </list> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
696 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
697 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
698 <para> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
699 Пример: |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
700 <example> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
701 upstream backend { |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
702 zone upstream_backend 10m; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
703 server 127.0.0.1:12345; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
704 } |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
705 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
706 match http { |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
707 send "GET / HTTP/1.0\r\nHost: localhost\r\n\r\n"; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
708 expect ~ "200 OK"; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
709 } |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
710 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
711 server { |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
712 listen 12346; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
713 proxy_pass backend; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
714 health_check match=http; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
715 } |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
716 </example> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
717 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
718 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
719 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
720 <note> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
721 Проверяются лишь первые байты данных |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
722 <link doc="ngx_stream_proxy_module.xml" id="proxy_buffer_size"/>, |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
723 полученные от сервера. |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
724 </note> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
725 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
726 |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
727 <para> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
728 <note> |
1728
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
729 Эта директива доступна как часть |
f93a5aadad2c
Translated the stream upstream module into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
730 <commercial_version>коммерческой подписки</commercial_version>. |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
731 </note> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
732 </para> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
733 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
734 </directive> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
735 |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
736 </section> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
737 |
1772
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
738 |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
739 <section id="variables" name="Встроенные переменные"> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
740 |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
741 <para> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
742 Модуль <literal>ngx_stream_upstream_module</literal> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
743 поддерживает следующие встроенные переменные: |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
744 <list type="tag"> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
745 |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
746 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
747 <tag-desc> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
748 хранит IP-адрес и порт или путь к UNIX-сокету сервера группы (1.11.4). |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
749 Если при проксировании были сделаны обращения к нескольким серверам, |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
750 то их адреса разделяются запятой, например |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
751 “<literal>192.168.1.1:12345, 192.168.1.2:12345, unix:/tmp/sock</literal>”. |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
752 </tag-desc> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
753 |
1773
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
754 <tag-name id="var_upstream_bytes_sent"><var>$upstream_bytes_sent</var></tag-name> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
755 <tag-desc> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
756 число байт, переданных на сервер группы (1.11.4). |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
757 Значения нескольких соединений |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
758 разделяются запятыми подобно адресам в переменной |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
759 <link id="var_upstream_addr">$upstream_addr</link>. |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
760 </tag-desc> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
761 |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
762 <tag-name id="var_upstream_bytes_received"><var>$upstream_bytes_received</var></tag-name> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
763 <tag-desc> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
764 число байт, полученных от сервера группы (1.11.4). |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
765 Значения нескольких соединений |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
766 разделяются запятыми подобно адресам в переменной |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
767 <link id="var_upstream_addr">$upstream_addr</link>. |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
768 </tag-desc> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
769 |
1774
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
770 <tag-name id="var_upstream_connect_time"><var>$upstream_connect_time</var></tag-name> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
771 <tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
772 время установки соединения с сервером группы (1.11.4); |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
773 время хранится в секундах с точностью до миллисекунд. |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
774 Времена нескольких соединений |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
775 разделяются запятыми подобно адресам в переменной |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
776 <link id="var_upstream_addr">$upstream_addr</link>. |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
777 </tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
778 |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
779 <tag-name id="var_upstream_first_byte_time"><var>$upstream_first_byte_time</var></tag-name> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
780 <tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
781 время получения первого байта данных (1.11.4); |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
782 время хранится в секундах с точностью до миллисекунд. |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
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783 Времена нескольких соединений |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
784 разделяются запятыми подобно адресам в переменной |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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785 <link id="var_upstream_addr">$upstream_addr</link>. |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
786 </tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
787 |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
788 <tag-name id="var_upstream_session_time"><var>$upstream_session_time</var></tag-name> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
789 <tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
790 длительность сессии в секундах с точностью до миллисекунд (1.11.4). |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
791 Времена нескольких соединений |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
792 разделяются запятыми подобно адресам в переменной |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
793 <link id="var_upstream_addr">$upstream_addr</link>. |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
794 </tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
795 |
1772
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
796 </list> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
797 </para> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
798 |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
799 </section> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
800 |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
801 </module> |