Mercurial > hg > nginx-site
annotate xml/ru/docs/ngx_core_module.xml @ 1470:28cf30b5818f
Updated list of supported linux distributions.
author | Sergey Budnevitch <sb@waeme.net> |
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date | Wed, 29 Apr 2015 00:45:50 +0300 |
parents | eea7541e7c6a |
children | d1e1a8d34bce |
rev | line source |
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) Igor Sysoev |
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5 Copyright (C) Nginx, Inc. |
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6 --> |
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7 |
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8 <!DOCTYPE module SYSTEM "../../../dtd/module.dtd"> |
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9 |
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10 <module name="Основная функциональность" |
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11 link="/ru/docs/ngx_core_module.html" |
589 | 12 lang="ru" |
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13 rev="14"> |
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14 |
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15 <section id="example" name="Пример конфигурации"> |
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16 |
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17 <para> |
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18 <example> |
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19 user www www; |
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20 worker_processes 2; |
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21 |
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22 error_log /var/log/nginx-error.log info; |
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23 |
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24 events { |
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25 use kqueue; |
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26 worker_connections 2048; |
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27 } |
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28 |
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29 ... |
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30 </example> |
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31 </para> |
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32 |
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33 </section> |
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34 |
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35 |
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36 <section id="directives" name="Директивы"> |
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37 |
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38 <directive name="accept_mutex"> |
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39 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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40 <default>on</default> |
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41 <context>events</context> |
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42 |
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43 <para> |
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44 Если <literal>accept_mutex</literal> включён, |
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45 рабочие процессы будут принимать новые соединения по очереди. |
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46 В противном случае о новых соединениях будет сообщаться сразу всем рабочим |
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47 процессам, и при низкой интенсивности поступления новых соединений |
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48 часть рабочих процессов может работать вхолостую. |
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49 </para> |
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50 |
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51 </directive> |
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52 |
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53 |
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54 <directive name="accept_mutex_delay"> |
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55 <syntax><value>время</value></syntax> |
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56 <default>500ms</default> |
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57 <context>events</context> |
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58 |
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59 <para> |
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60 При включённом <link id="accept_mutex"/> задаёт максимальное время, |
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61 в течение которого рабочий процесс вновь попытается начать принимать |
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62 новые соединения, если в настоящий момент новые соединения принимает |
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63 другой рабочий процесс. |
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64 </para> |
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65 |
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66 </directive> |
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67 |
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68 |
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69 <directive name="daemon"> |
271 | 70 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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71 <default>on</default> |
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72 <context>main</context> |
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73 |
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74 <para> |
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75 Определяет, будет ли nginx запускаться в режиме демона. |
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76 Используется в основном для разработки. |
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77 </para> |
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78 |
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79 </directive> |
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80 |
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81 |
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82 <directive name="debug_connection"> |
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83 <syntax> |
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84 <value>адрес</value> | |
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85 <value>CIDR</value> | |
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86 <literal>unix:</literal></syntax> |
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87 <default/> |
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88 <context>events</context> |
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89 |
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90 <para> |
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91 Включает отладочный лог для отдельных клиентских соединений. |
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92 Для остальных соединений используется уровень лога, заданный директивой |
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93 <link id="error_log"/>. |
523 | 94 Отлаживаемые соединения задаются IPv4 или IPv6 (1.3.0, 1.2.1) |
95 адресом или сетью. | |
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96 Соединение может быть также задано при помощи имени хоста. |
523 | 97 Отладочный лог для соединений через UNIX-сокеты (1.3.0, 1.2.1) |
98 включается параметром “<literal>unix:</literal>”. | |
516
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99 <example> |
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100 events { |
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101 debug_connection 127.0.0.1; |
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102 debug_connection localhost; |
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103 debug_connection 192.0.2.0/24; |
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104 debug_connection ::1; |
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105 debug_connection 2001:0db8::/32; |
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106 debug_connection unix:; |
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107 ... |
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108 } |
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109 </example> |
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110 <note> |
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111 Для работы директивы необходимо сконфигурировать nginx с параметром |
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112 <literal>--with-debug</literal>, |
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113 см. “<link doc="debugging_log.xml"/>”. |
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114 </note> |
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115 </para> |
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116 |
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117 </directive> |
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118 |
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119 |
574 | 120 <directive name="debug_points"> |
121 <syntax><literal>abort</literal> | <literal>stop</literal></syntax> | |
122 <default/> | |
123 <context>main</context> | |
124 | |
125 <para> | |
126 Эта директива используется для отладки. | |
127 </para> | |
128 | |
129 <para> | |
130 В случае обнаружения внутренней ошибки, например, утечки сокетов в момент | |
131 перезапуска рабочих процессов, включение <literal>debug_points</literal> | |
132 приводит к созданию core-файла (<literal>abort</literal>) | |
133 или остановке процесса (<literal>stop</literal>) с целью последующей | |
134 диагностики с помощью системного отладчика. | |
135 </para> | |
136 | |
137 </directive> | |
138 | |
139 | |
255
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140 <directive name="error_log"> |
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141 <syntax> |
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142 <value>файл</value> | <literal>stderr</literal> | |
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143 <literal>syslog:</literal><literal>server</literal>=<value>адрес</value>[,<value>параметр</value>=<value>значение</value>] | |
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144 <literal>memory:</literal><value>размер</value> |
271 | 145 [<literal>debug</literal> | |
146 <literal>info</literal> | | |
147 <literal>notice</literal> | | |
148 <literal>warn</literal> | | |
149 <literal>error</literal> | | |
150 <literal>crit</literal> | | |
151 <literal>alert</literal> | | |
152 <literal>emerg</literal>]</syntax> | |
255
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153 <default>logs/error.log error</default> |
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154 <context>main</context> |
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155 <context>http</context> |
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156 <context>stream</context> |
255
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157 <context>server</context> |
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158 <context>location</context> |
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159 |
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160 <para> |
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161 Конфигурирует запись в лог. |
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162 На одном уровне может использоваться несколько логов (1.5.2). |
255
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163 </para> |
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164 |
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165 <para> |
271 | 166 Первый параметр задаёт файл, который будет хранить лог. |
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167 <!-- |
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168 Если имя файла не абсолютное, к нему добавляется в начало путь префикса. |
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169 --> |
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170 Специальное значение <literal>stderr</literal> выбирает стандартный файл ошибок. |
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171 Запись в <link doc="syslog.xml">syslog</link> настраивается указанием префикса |
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172 “<literal>syslog:</literal>”. |
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173 Запись в |
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174 <link doc="debugging_log.xml" id="memory">кольцевой буфер в памяти</link> |
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175 настраивается указанием префикса “<literal>memory:</literal>” и |
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176 <value>размера</value> буфера и как правило используется для отладки (1.7.11). |
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177 </para> |
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178 |
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179 <para> |
271 | 180 Второй параметр определяет уровень лога. |
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181 Уровни лога, указанные выше, перечислены в порядке возрастания важности. |
255
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182 При установке определённого уровня в лог попадают все сообщения |
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183 указанного уровня и уровней большей важности. |
271 | 184 Например, при стандартном уровне <literal>error</literal> в лог попадают |
185 сообщения уровней <literal>error</literal>, <literal>crit</literal>, | |
186 <literal>alert</literal> и <literal>emerg</literal>. | |
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187 Если этот параметр не задан, используется <literal>error</literal>. |
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188 <note> |
271 | 189 Для работы уровня лога <literal>debug</literal> необходимо сконфигурировать |
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190 nginx с <literal>--with-debug</literal>, |
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191 см. “<link doc="debugging_log.xml"/>”. |
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192 </note> |
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193 |
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194 <note> |
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195 Директива может быть указана на |
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196 уровне <literal>stream</literal> |
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197 начиная с версии 1.7.11. |
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198 </note> |
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199 </para> |
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200 |
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201 </directive> |
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202 |
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203 |
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204 <directive name="env"> |
271 | 205 <syntax><value>переменная</value>[=<value>значение</value>]</syntax> |
102
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206 <default>TZ</default> |
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207 <context>main</context> |
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208 |
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209 <para> |
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210 По умолчанию nginx удаляет все переменные окружения, унаследованные |
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211 от своего родительского процесса, кроме переменной TZ. |
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212 Эта директива позволяет сохранить часть унаследованных переменных, |
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213 поменять им значения или же создать новые переменные окружения. |
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214 Эти переменные затем: |
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215 <list type="bullet"> |
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216 |
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217 <listitem> |
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218 наследуются во время |
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219 <link doc="control.xml" id="upgrade">обновления исполняемого файла на лету</link>; |
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220 </listitem> |
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221 |
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222 <listitem> |
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223 используются модулем |
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224 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>; |
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225 </listitem> |
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226 |
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227 <listitem> |
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228 используются рабочими процессами. |
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229 Следует иметь в виду, что управление поведением системных библиотек |
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230 подобным образом возможно не всегда, поскольку зачастую библиотеки используют |
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231 переменные только во время инициализации, то есть ещё до того, как их |
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232 можно задать с помощью данной директивы. |
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233 Исключением из этого является упомянутое выше |
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234 <link doc="control.xml" id="upgrade">обновление исполняемого файла на лету</link>. |
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235 </listitem> |
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236 |
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237 </list> |
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238 </para> |
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239 |
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240 <para> |
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241 Если переменная TZ не описана явно, то она всегда наследуется |
255
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242 и всегда доступна модулю |
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243 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>. |
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244 </para> |
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245 |
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246 <para> |
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247 Пример использования: |
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248 <example> |
255
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249 env MALLOC_OPTIONS; |
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250 env PERL5LIB=/data/site/modules; |
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251 env OPENSSL_ALLOW_PROXY_CERTS=1; |
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252 </example> |
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253 </para> |
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254 |
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255 <para> |
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256 <note> |
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257 Переменная окружения NGINX используется для внутренних целей nginx |
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258 и не должна устанавливаться непосредственно самим пользователем. |
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259 </note> |
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260 </para> |
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261 |
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262 </directive> |
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263 |
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264 |
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265 <directive name="events"> |
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266 <syntax block="yes"/> |
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267 <default/> |
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268 <context>main</context> |
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269 |
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270 <para> |
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271 Предоставляет контекст конфигурационного файла, в котором указываются |
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272 директивы, влияющие на обработку соединений. |
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273 </para> |
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274 |
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275 </directive> |
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276 |
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277 |
76
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278 <directive name="include"> |
271 | 279 <syntax><value>файл</value> | <value>маска</value></syntax> |
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280 <default/> |
104
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281 <context/> |
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282 |
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283 <para> |
271 | 284 Включает в конфигурацию другой <value>файл</value> или файлы, |
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285 подходящие под заданную маску. |
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286 Включаемые файлы должны содержать синтаксически верные директивы и блоки. |
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287 </para> |
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288 |
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289 <para> |
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290 Пример использования: |
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291 <example> |
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292 include mime.types; |
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293 include vhosts/*.conf; |
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294 </example> |
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295 </para> |
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296 |
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297 </directive> |
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298 |
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299 |
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300 <directive name="lock_file"> |
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301 <syntax><value>файл</value></syntax> |
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302 <default>logs/nginx.lock</default> |
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303 <context>main</context> |
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304 |
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305 <para> |
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306 Для реализации <link id="accept_mutex"/> и сериализации доступа к |
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307 разделяемой памяти nginx использует механизм блокировок. |
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308 На большинстве систем блокировки реализованы с помощью атомарных |
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309 операций, и эта директива игнорируется. |
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310 Для остальных систем применяется механизм файлов блокировок. |
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311 Эта директива задаёт префикс имён файлов блокировок. |
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312 </para> |
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313 |
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314 </directive> |
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315 |
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316 |
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317 <directive name="master_process"> |
271 | 318 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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319 <default>on</default> |
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320 <context>main</context> |
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321 |
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322 <para> |
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323 Определяет, будут ли запускаться рабочие процессы. |
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324 Эта директива предназначена для разработчиков nginx. |
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325 </para> |
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326 |
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327 </directive> |
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328 |
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329 |
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330 <directive name="multi_accept"> |
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331 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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332 <default>off</default> |
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333 <context>events</context> |
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334 |
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335 <para> |
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336 Если <literal>multi_accept</literal> выключен, рабочий процесс |
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337 за один раз будет принимать только одно новое соединение. |
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338 В противном случае рабочий процесс |
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339 за один раз будет принимать сразу все новые соединения. |
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340 <note> |
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341 Директива игнорируется в случае использования метода обработки соединений |
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342 <link doc="events.xml" id="kqueue"/>, т.к. данный метод сам сообщает |
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343 число новых соединений, ожидающих приёма. |
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344 </note> |
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345 </para> |
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346 |
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347 </directive> |
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348 |
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349 |
289
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350 <directive name="pcre_jit"> |
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351 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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352 <default>off</default> |
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353 <context>main</context> |
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354 <appeared-in>1.1.12</appeared-in> |
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355 |
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356 <para> |
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357 Разрешает или запрещает использование JIT-компиляции (PCRE JIT) |
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358 для регулярных выражений, известных на момент парсинга конфигурации. |
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359 </para> |
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360 |
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361 <para> |
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362 Использование PCRE JIT способно существенно ускорить обработку |
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363 регулярных выражений. |
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364 <note> |
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365 Для работы JIT необходима библиотека PCRE версии 8.20 или выше, |
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366 собранная с параметром конфигурации <literal>--enable-jit</literal>. |
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367 При сборке библиотеки PCRE вместе с nginx (<literal>--with-pcre=</literal>), |
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368 для включения поддержки JIT необходимо использовать параметр |
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369 конфигурации <literal>--with-pcre-jit</literal>. |
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370 </note> |
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371 </para> |
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372 |
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373 </directive> |
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374 |
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375 |
76
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376 <directive name="pid"> |
271 | 377 <syntax><value>файл</value></syntax> |
102
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The directive name is now automatically printed in <default> and <syntax>.
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378 <default>nginx.pid</default> |
76
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379 <context>main</context> |
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380 |
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381 <para> |
271 | 382 Задаёт <value>файл</value>, в котором будет храниться номер (PID) основного процесса. |
76
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383 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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384 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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385 </directive> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
386 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
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387 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
388 <directive name="ssl_engine"> |
271 | 389 <syntax><value>устройство</value></syntax> |
99
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The case <default/> is now language-agnostic.
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390 <default/> |
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391 <context>main</context> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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392 |
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393 <para> |
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394 Задаёт название аппаратного SSL-акселератора. |
76
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395 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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396 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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397 </directive> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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398 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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399 |
1436 | 400 <directive name="thread_pool"> |
401 <syntax> | |
402 <value>имя</value> | |
403 <literal>threads</literal>=<value>число</value> | |
404 [<literal>max_queue</literal>=<value>число</value>]</syntax> | |
405 <default>default threads=32 max_queue=65536</default> | |
406 <context>main</context> | |
407 <appeared-in>1.7.11</appeared-in> | |
408 | |
409 <para> | |
410 Задаёт именованные пулы потоков, | |
411 используемые для многопоточной обработки операций чтения и отправки файлов | |
412 <link doc="http/ngx_http_core_module.xml" id="aio">без блокирования</link> | |
413 рабочего процесса. | |
414 </para> | |
415 | |
416 <para> | |
417 Параметр <literal>threads</literal> | |
418 задаёт число потоков в пуле. | |
419 </para> | |
420 | |
421 <para> | |
422 Если все потоки из пула заняты выполнением заданий, | |
423 новое задание будет ожидать своего выполнения в очереди. | |
424 Параметр <literal>max_queue</literal> ограничивает число заданий, | |
425 ожидающих своего выполнения в очереди. | |
426 По умолчанию в очереди может находиться до 65536 заданий. | |
427 При переполнении очереди задание завершается с ошибкой. | |
428 </para> | |
429 | |
430 </directive> | |
431 | |
432 | |
76
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433 <directive name="timer_resolution"> |
271 | 434 <syntax><value>интервал</value></syntax> |
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435 <default/> |
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436 <context>main</context> |
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Maxim Dounin <mdounin@mdounin.ru>
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437 |
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438 <para> |
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439 Уменьшает разрешение таймеров времени в рабочих процессах, за счёт |
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440 чего уменьшается число системных вызовов <c-func>gettimeofday</c-func>. |
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441 По умолчанию <c-func>gettimeofday</c-func> вызывается после каждой |
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442 операции получения событий из ядра. |
957
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Text review of the ngx_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
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|
443 При уменьшении разрешения <c-func>gettimeofday</c-func> вызывается только |
271 | 444 один раз за указанный <value>интервал</value>. |
76
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445 </para> |
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446 |
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|
447 <para> |
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448 Пример использования: |
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449 <example> |
255
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450 timer_resolution 100ms; |
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451 </example> |
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452 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
453 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
454 <para> |
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Maxim Dounin <mdounin@mdounin.ru>
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|
455 Внутренняя реализация интервала зависит от используемого метода: |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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|
456 <list type="bullet"> |
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457 |
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Maxim Dounin <mdounin@mdounin.ru>
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458 <listitem> |
271 | 459 фильтр <c-def>EVFILT_TIMER</c-def> при использовании <literal>kqueue</literal>; |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
460 </listitem> |
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Maxim Dounin <mdounin@mdounin.ru>
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|
461 |
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Maxim Dounin <mdounin@mdounin.ru>
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462 <listitem> |
271 | 463 <c-func>timer_create</c-func> при использовании <literal>eventport</literal>; |
76
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Maxim Dounin <mdounin@mdounin.ru>
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464 </listitem> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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465 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
466 <listitem> |
255
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467 и <c-func>setitimer</c-func> во всех остальных случаях. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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468 </listitem> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
469 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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470 </list> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
471 </para> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
472 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
473 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
474 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
475 |
556
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
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|
476 <directive name="use"> |
345012910707
Documented the "events" and "use" directives.
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diff
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477 <syntax><value>метод</value></syntax> |
345012910707
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478 <default/> |
345012910707
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479 <context>events</context> |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
480 |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
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|
481 <para> |
345012910707
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482 Задаёт <value>метод</value>, используемый для |
345012910707
Documented the "events" and "use" directives.
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parents:
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diff
changeset
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483 <link doc="events.xml">обработки соединений</link>. |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
484 Обычно нет необходимости задавать его явно, поскольку по умолчанию |
345012910707
Documented the "events" and "use" directives.
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parents:
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diff
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485 nginx сам выбирает наиболее эффективный метод. |
345012910707
Documented the "events" and "use" directives.
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parents:
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486 </para> |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
487 |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
488 </directive> |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
489 |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
490 |
255
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Sync ngx_core_module documentation with English version.
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parents:
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|
491 <directive name="user"> |
271 | 492 <syntax><value>пользователь</value> [<value>группа</value>]</syntax> |
255
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493 <default>nobody nobody</default> |
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494 <context>main</context> |
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|
495 |
e2718c7f9040
Sync ngx_core_module documentation with English version.
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496 <para> |
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Sync ngx_core_module documentation with English version.
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497 Задаёт пользователя и группу, с правами которого будут работать |
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|
498 рабочие процессы. |
271 | 499 Если <value>группа</value> не задана, то используется группа, имя |
255
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500 которой совпадает с именем пользователя. |
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501 </para> |
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502 |
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|
503 </directive> |
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|
504 |
e2718c7f9040
Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
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222
diff
changeset
|
505 |
749
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
506 <directive name="worker_aio_requests"> |
2abb92a19101
Documented 'worker_aio_requests' directive.
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742
diff
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507 <syntax><value>число</value></syntax> |
2abb92a19101
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|
508 <default>32</default> |
2abb92a19101
Documented 'worker_aio_requests' directive.
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diff
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|
509 <context>events</context> |
750
6a1b1ba62cab
Documented history of "worker_aio_requests" directive.
Vladimir Homutov <vl@nginx.com>
parents:
749
diff
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|
510 <appeared-in>1.1.4</appeared-in> |
6a1b1ba62cab
Documented history of "worker_aio_requests" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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511 <appeared-in>1.0.7</appeared-in> |
749
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
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|
512 |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
513 <para> |
2abb92a19101
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
514 При использовании <link doc="http/ngx_http_core_module.xml" id="aio"/> |
2abb92a19101
Documented 'worker_aio_requests' directive.
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parents:
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diff
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|
515 совместно с методом обработки соединений |
2abb92a19101
Documented 'worker_aio_requests' directive.
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parents:
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diff
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|
516 <link doc="../docs/events.xml" id="epoll"/>, |
2abb92a19101
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742
diff
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517 задаёт максимальное <value>число</value> ожидающих обработки операций |
2abb92a19101
Documented 'worker_aio_requests' directive.
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parents:
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diff
changeset
|
518 асинхронного ввода-вывода для одного рабочего процесса. |
2abb92a19101
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
519 </para> |
2abb92a19101
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
520 |
2abb92a19101
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
521 </directive> |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
522 |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
523 |
545
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
524 <directive name="worker_connections"> |
e97b46d1842d
Documented the "worker_connections" directive.
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parents:
523
diff
changeset
|
525 <syntax><value>число</value></syntax> |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
526 <default>512</default> |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
527 <context>events</context> |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
528 |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
529 <para> |
957
6d9d4bb571a9
Text review of the ngx_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
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|
530 Задаёт максимальное число соединений, которые одновременно |
545
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parents:
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531 может открыть рабочий процесс. |
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532 </para> |
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533 |
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534 <para> |
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|
535 Следует иметь в виду, что в это число входят все соединения |
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diff
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|
536 (в том числе, например, соединения с проксируемыми серверами), |
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537 а не только соединения с клиентами. |
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|
538 Стоит также учитывать, что фактическое число одновременных |
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diff
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539 соединений не может превышать действующего ограничения на |
e97b46d1842d
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|
540 максимальное число открытых файлов, |
659
77a3314c74a7
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parents:
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diff
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|
541 которое можно изменить с помощью <link id="worker_rlimit_nofile"/>. |
545
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542 </para> |
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543 |
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544 </directive> |
e97b46d1842d
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|
545 |
e97b46d1842d
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|
546 |
469
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diff
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|
547 <directive name="worker_cpu_affinity"> |
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548 <syntax><value>маска_CPU</value> ...</syntax> |
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parents:
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549 <default/> |
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550 <context>main</context> |
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551 |
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552 <para> |
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|
553 Привязывает рабочие процессы к группам процессоров. |
8275e169f77b
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parents:
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diff
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554 Каждая группа процессоров задаётся битовой маской |
8275e169f77b
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parents:
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diff
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|
555 разрешённых к использованию процессоров. |
8275e169f77b
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parents:
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diff
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|
556 Для каждого рабочего процесса должна быть задана отдельная группа. |
8275e169f77b
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557 По умолчанию рабочие процессы не привязаны к конкретным процессорам. |
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558 </para> |
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559 |
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parents:
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560 <para> |
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561 Например, |
8275e169f77b
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diff
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|
562 <example> |
8275e169f77b
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|
563 worker_processes 4; |
8275e169f77b
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parents:
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diff
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|
564 worker_cpu_affinity 0001 0010 0100 1000; |
8275e169f77b
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parents:
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diff
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|
565 </example> |
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Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
566 привязывает каждый рабочий процесс к отдельному процессору, тогда как |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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parents:
455
diff
changeset
|
567 <example> |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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parents:
455
diff
changeset
|
568 worker_processes 2; |
8275e169f77b
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Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
569 worker_cpu_affinity 0101 1010; |
8275e169f77b
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Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
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|
570 </example> |
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Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
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|
571 привязывает первый рабочий процесс к CPU0/CPU2, |
8275e169f77b
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Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
572 а второй — к CPU1/CPU3. |
8275e169f77b
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parents:
455
diff
changeset
|
573 Второй пример пригоден для hyper-threading. |
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parents:
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diff
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|
574 </para> |
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parents:
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|
575 |
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Ruslan Ermilov <ru@nginx.com>
parents:
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576 <para> |
8275e169f77b
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
577 <note> |
8275e169f77b
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Ruslan Ermilov <ru@nginx.com>
parents:
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changeset
|
578 Директива доступна только на FreeBSD и Linux. |
8275e169f77b
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parents:
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diff
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|
579 </note> |
8275e169f77b
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Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
580 </para> |
8275e169f77b
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Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
581 |
8275e169f77b
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Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
582 </directive> |
8275e169f77b
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Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
583 |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
584 |
255
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parents:
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585 <directive name="worker_priority"> |
271 | 586 <syntax><value>число</value></syntax> |
255
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|
587 <default>0</default> |
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588 <context>main</context> |
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589 |
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590 <para> |
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591 Задаёт приоритет планирования рабочих процессов подобно тому, |
e2718c7f9040
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parents:
222
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|
592 как это делается командой <command>nice</command>: отрицательное |
271 | 593 <value>число</value> |
255
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594 означает более высокий приоритет. |
e2718c7f9040
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parents:
222
diff
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595 Диапазон возможных значений, как правило, варьируется от -20 до 20. |
e2718c7f9040
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596 </para> |
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|
597 |
e2718c7f9040
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|
598 <para> |
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599 Пример использования: |
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600 <example> |
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601 worker_priority -10; |
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602 </example> |
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603 </para> |
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604 |
e2718c7f9040
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Ruslan Ermilov <ru@nginx.com>
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|
605 </directive> |
e2718c7f9040
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|
606 |
e2718c7f9040
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changeset
|
607 |
e2718c7f9040
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diff
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|
608 <directive name="worker_processes"> |
740
46d70031bea9
Documented the recently added "auto" parameter of the
Andrey Belov <defan@nginx.com>
parents:
659
diff
changeset
|
609 <syntax><value>число</value> | <literal>auto</literal></syntax> |
255
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610 <default>1</default> |
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611 <context>main</context> |
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|
612 |
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613 <para> |
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614 Задаёт число рабочих процессов. |
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|
615 </para> |
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Ruslan Ermilov <ru@nginx.com>
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|
616 |
e2718c7f9040
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617 <para> |
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618 Оптимальное значение зависит от множества факторов, включая |
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619 (но не ограничиваясь ими) число процессорных ядер, число |
e2718c7f9040
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620 жёстких дисков с данными и картину нагрузок. |
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621 Если затрудняетесь в выборе правильного значения, можно начать |
740
46d70031bea9
Documented the recently added "auto" parameter of the
Andrey Belov <defan@nginx.com>
parents:
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diff
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|
622 с установки его равным числу процессорных ядер |
46d70031bea9
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parents:
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diff
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|
623 (значение “<literal>auto</literal>” пытается определить его |
46d70031bea9
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Andrey Belov <defan@nginx.com>
parents:
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diff
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|
624 автоматически). |
742
3a2e35f4c279
Documented that "worker_processes auto" appeared in version 1.3.8.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
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|
625 <note> |
3a2e35f4c279
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Ruslan Ermilov <ru@nginx.com>
parents:
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diff
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|
626 Параметр <literal>auto</literal> поддерживается только начиная |
764
f8434fdd3cd9
The "auto" parameter of the ""worker_processes" directive
Ruslan Ermilov <ru@nginx.com>
parents:
750
diff
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|
627 с версий 1.3.8 и 1.2.5. |
742
3a2e35f4c279
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Ruslan Ermilov <ru@nginx.com>
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628 </note> |
255
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629 </para> |
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630 |
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631 </directive> |
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632 |
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633 |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
634 <directive name="worker_rlimit_core"> |
271 | 635 <syntax><value>размер</value></syntax> |
99
1d315ef37215
The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents:
79
diff
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|
636 <default/> |
76
4a4caa566120
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|
637 <context>main</context> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
638 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
639 <para> |
255
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640 Изменяет ограничение на наибольший размер core-файла |
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641 (<c-def>RLIMIT_CORE</c-def>) для рабочих процессов. |
76
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diff
changeset
|
642 Используется для увеличения ограничения без перезапуска основного процесса. |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
643 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
644 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
645 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
646 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
647 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
648 <directive name="worker_rlimit_nofile"> |
271 | 649 <syntax><value>число</value></syntax> |
99
1d315ef37215
The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents:
79
diff
changeset
|
650 <default/> |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
651 <context>main</context> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
652 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
653 <para> |
255
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Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
654 Изменяет ограничение на максимальное число открытых файлов |
e2718c7f9040
Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
655 (<c-def>RLIMIT_NOFILE</c-def>) для рабочих процессов. |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
656 Используется для увеличения ограничения без перезапуска основного процесса. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
657 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
658 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
659 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
660 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
661 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
662 <directive name="working_directory"> |
271 | 663 <syntax><value>каталог</value></syntax> |
99
1d315ef37215
The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents:
79
diff
changeset
|
664 <default/> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
665 <context>main</context> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
666 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
667 <para> |
255
e2718c7f9040
Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
668 Задаёт каталог, который будет текущим для рабочего процесса. |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
669 Основное применение — запись core-файла, в этом случае рабочий |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
670 процесс должен иметь права на запись в этот каталог. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
671 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
672 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
673 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
674 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
675 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
676 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
677 </module> |