Mercurial > hg > nginx-site
annotate xml/ru/docs/ngx_core_module.xml @ 882:d1002c39ac0a
Linux packages related information moved to separate page.
Documentation about packages for mainline version added.
author | Sergey Budnevitch <sb@waeme.net> |
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date | Tue, 02 Apr 2013 20:53:03 +0400 |
parents | d22421dc5d00 |
children | 9a65d437da42 |
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="6"> |
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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 <note> |
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50 Использование метода обработки соединений |
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51 <link doc="events.xml" id="rtsig"/> |
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52 требует обязательного включения <literal>accept_mutex</literal>. |
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53 </note> |
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54 </para> |
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55 |
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56 </directive> |
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57 |
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58 |
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59 <directive name="accept_mutex_delay"> |
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60 <syntax><value>время</value></syntax> |
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61 <default>500ms</default> |
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62 <context>events</context> |
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63 |
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64 <para> |
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65 При включённом <link id="accept_mutex"/> задаёт максимальное время, |
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66 в течение которого рабочий процесс вновь попытается начать принимать |
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67 новые соединения, если в настоящий момент этим уже занимается другой |
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68 рабочий процесс. |
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69 </para> |
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70 |
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71 </directive> |
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72 |
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73 |
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74 <directive name="daemon"> |
271 | 75 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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76 <default>on</default> |
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77 <context>main</context> |
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78 |
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79 <para> |
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80 Определяет, будет ли nginx запускаться в режиме демона. |
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81 Используется в основном для разработки. |
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82 </para> |
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83 |
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84 </directive> |
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85 |
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86 |
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87 <directive name="debug_connection"> |
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88 <syntax> |
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89 <value>адрес</value> | |
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90 <value>CIDR</value> | |
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91 <literal>unix:</literal></syntax> |
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92 <default/> |
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93 <context>events</context> |
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94 |
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95 <para> |
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96 Включает отладочный лог для отдельных клиентских соединений. |
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97 Для остальных соединений используется уровень лога, заданный директивой |
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98 <link id="error_log"/>. |
523 | 99 Отлаживаемые соединения задаются IPv4 или IPv6 (1.3.0, 1.2.1) |
100 адресом или сетью. | |
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101 Соединение может быть также задано при помощи имени хоста. |
523 | 102 Отладочный лог для соединений через UNIX-сокеты (1.3.0, 1.2.1) |
103 включается параметром “<literal>unix:</literal>”. | |
516
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104 <example> |
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105 events { |
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106 debug_connection 127.0.0.1; |
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107 debug_connection localhost; |
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108 debug_connection 192.0.2.0/24; |
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109 debug_connection ::1; |
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110 debug_connection 2001:0db8::/32; |
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111 debug_connection unix:; |
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112 ... |
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113 } |
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114 </example> |
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115 <note> |
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116 Для работы директивы необходимо сконфигурировать nginx с параметром |
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117 <literal>--with-debug</literal>. |
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118 </note> |
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119 </para> |
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120 |
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121 </directive> |
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122 |
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123 |
574 | 124 <directive name="debug_points"> |
125 <syntax><literal>abort</literal> | <literal>stop</literal></syntax> | |
126 <default/> | |
127 <context>main</context> | |
128 | |
129 <para> | |
130 Эта директива используется для отладки. | |
131 </para> | |
132 | |
133 <para> | |
134 В случае обнаружения внутренней ошибки, например, утечки сокетов в момент | |
135 перезапуска рабочих процессов, включение <literal>debug_points</literal> | |
136 приводит к созданию core-файла (<literal>abort</literal>) | |
137 или остановке процесса (<literal>stop</literal>) с целью последующей | |
138 диагностики с помощью системного отладчика. | |
139 </para> | |
140 | |
141 </directive> | |
142 | |
143 | |
255
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144 <directive name="error_log"> |
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145 <syntax> |
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146 <value>файл</value> | <literal>stderr</literal> |
271 | 147 [<literal>debug</literal> | |
148 <literal>info</literal> | | |
149 <literal>notice</literal> | | |
150 <literal>warn</literal> | | |
151 <literal>error</literal> | | |
152 <literal>crit</literal> | | |
153 <literal>alert</literal> | | |
154 <literal>emerg</literal>]</syntax> | |
255
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155 <default>logs/error.log error</default> |
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156 <context>main</context> |
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157 <context>http</context> |
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158 <context>server</context> |
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159 <context>location</context> |
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160 |
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161 <para> |
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162 Конфигурирует запись в лог. |
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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. |
255
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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. |
255
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171 </para> |
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172 |
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173 <para> |
271 | 174 Второй параметр определяет уровень лога. |
255
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175 Уровни лога, указанные выше, перечислены в порядке возрастания их серьёзности. |
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176 При установке определённого уровня в лог попадают все сообщения |
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177 указанного и более серьёзных уровней. |
271 | 178 Например, при стандартном уровне <literal>error</literal> в лог попадают |
179 сообщения уровней <literal>error</literal>, <literal>crit</literal>, | |
180 <literal>alert</literal> и <literal>emerg</literal>. | |
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181 Если этот параметр не задан, используется <literal>error</literal>. |
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182 <note> |
271 | 183 Для работы уровня лога <literal>debug</literal> необходимо сконфигурировать |
184 nginx с <literal>--with-debug</literal>. | |
255
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185 </note> |
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186 </para> |
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187 |
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188 </directive> |
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189 |
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190 |
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191 <directive name="env"> |
271 | 192 <syntax><value>переменная</value>[=<value>значение</value>]</syntax> |
102
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193 <default>TZ</default> |
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194 <context>main</context> |
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195 |
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196 <para> |
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197 По умолчанию nginx удаляет все переменные окружения, унаследованные |
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198 от своего родительского процесса, кроме переменной TZ. |
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199 Эта директива позволяет сохранить часть унаследованных переменных, |
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200 поменять им значения или же создать новые переменные окружения. |
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201 Эти переменные затем: |
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202 <list type="bullet"> |
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203 |
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204 <listitem> |
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205 наследуются во время |
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206 <link doc="control.xml" id="upgrade">обновления исполняемого файла на лету</link>; |
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207 </listitem> |
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208 |
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209 <listitem> |
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210 используются модулем |
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211 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>; |
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212 </listitem> |
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213 |
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214 <listitem> |
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215 используются рабочими процессами. |
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216 Следует иметь в виду, что управление поведением системных библиотек |
76
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217 подобным образом возможно не всегда, поскольку зачастую библиотеки используют |
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218 переменные только во время инициализации, то есть ещё до того, как их |
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219 можно задать с помощью данной директивы. |
255
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220 Исключением из этого является вышеописанное |
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221 <link doc="control.xml" id="upgrade">обновление исполняемого файла на лету</link>. |
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222 </listitem> |
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223 |
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224 </list> |
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225 </para> |
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226 |
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227 <para> |
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228 Если переменная TZ не описана явно, то она всегда наследуется |
255
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229 и всегда доступна модулю |
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230 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>. |
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231 </para> |
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232 |
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233 <para> |
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234 Пример использования: |
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235 <example> |
255
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236 env MALLOC_OPTIONS; |
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237 env PERL5LIB=/data/site/modules; |
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238 env OPENSSL_ALLOW_PROXY_CERTS=1; |
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239 </example> |
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240 </para> |
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241 |
444
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242 <para> |
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243 <note> |
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244 Переменная окружения NGINX используется для внутренних целей nginx |
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245 и не должна устанавливаться непосредственно самим пользователем. |
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246 </note> |
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247 </para> |
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248 |
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249 </directive> |
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250 |
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251 |
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252 <directive name="events"> |
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253 <syntax block="yes"/> |
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254 <default/> |
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255 <context>main</context> |
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256 |
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257 <para> |
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258 Предоставляет контекст конфигурационного файла, в котором указываются |
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259 директивы, влияющие на обработку соединений. |
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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="include"> |
271 | 266 <syntax><value>файл</value> | <value>маска</value></syntax> |
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267 <default/> |
104
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268 <context/> |
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269 |
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270 <para> |
271 | 271 Включает в конфигурацию другой <value>файл</value> или файлы, |
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272 подходящие под заданную маску. |
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273 Включаемые файлы должны содержать синтаксически верные директивы и блоки. |
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274 </para> |
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275 |
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276 <para> |
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277 Пример использования: |
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278 <example> |
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279 include mime.types; |
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280 include vhosts/*.conf; |
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281 </example> |
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282 </para> |
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283 |
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284 </directive> |
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285 |
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286 |
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287 <directive name="lock_file"> |
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288 <syntax><value>файл</value></syntax> |
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289 <default>logs/nginx.lock</default> |
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290 <context>main</context> |
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291 |
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292 <para> |
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293 Для реализации <link id="accept_mutex"/> и сериализации доступа к |
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294 разделяемой памяти nginx использует механизм блокировок. |
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295 На большинстве систем блокировки реализованы с помощью атомарных |
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296 операций, и эта директива игнорируется. |
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297 Для остальных систем применяется механизм файлов блокировок. |
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298 Эта директива задаёт префикс имён файлов блокировок. |
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299 </para> |
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300 |
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301 </directive> |
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302 |
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303 |
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304 <directive name="master_process"> |
271 | 305 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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306 <default>on</default> |
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307 <context>main</context> |
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308 |
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309 <para> |
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310 Определяет, будут ли запускаться рабочие процессы. |
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311 Эта директива предназначена для разработчиков nginx. |
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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="multi_accept"> |
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318 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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319 <default>off</default> |
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320 <context>events</context> |
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321 |
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322 <para> |
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323 Если <literal>multi_accept</literal> выключен, рабочий процесс |
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324 за один раз будет принимать только одно новое соединение. |
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325 В противном случае рабочий процесс |
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326 за один раз будет принимать сразу все новые соединения. |
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327 <note> |
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328 Директива игнорируется в случае использования метода обработки соединений |
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329 <link doc="events.xml" id="kqueue"/>, т.к. данный метод сам сообщает |
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330 число новых соединений, ожидающих приёма. |
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331 </note> |
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332 <note> |
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333 Использование метода обработки соединений |
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334 <link doc="events.xml" id="rtsig"/> |
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335 автоматически включает <literal>multi_accept</literal>. |
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336 </note> |
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337 </para> |
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338 |
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339 </directive> |
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340 |
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341 |
289
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342 <directive name="pcre_jit"> |
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343 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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344 <default>off</default> |
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345 <context>main</context> |
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346 <appeared-in>1.1.12</appeared-in> |
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347 |
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348 <para> |
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349 Разрешает или запрещает использование JIT-компиляции (PCRE JIT) |
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350 для регулярных выражений, известных на момент парсинга конфигурации. |
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351 </para> |
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352 |
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353 <para> |
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354 Использование PCRE JIT способно существенно ускорить обработку |
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355 регулярных выражений. |
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356 <note> |
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357 Для работы JIT необходима библиотека PCRE версии 8.20 или выше, |
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358 собранная с параметром конфигурации <literal>--enable-jit</literal>. |
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359 При сборке библиотеки PCRE вместе с nginx (<literal>--with-pcre=</literal>), |
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360 для включения поддержки JIT необходимо использовать параметр |
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361 конфигурации <literal>--with-pcre-jit</literal>. |
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362 </note> |
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363 </para> |
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364 |
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365 </directive> |
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366 |
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367 |
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368 <directive name="pid"> |
271 | 369 <syntax><value>файл</value></syntax> |
102
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370 <default>nginx.pid</default> |
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371 <context>main</context> |
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372 |
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373 <para> |
271 | 374 Задаёт <value>файл</value>, в котором будет храниться номер (PID) основного процесса. |
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375 </para> |
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376 |
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377 </directive> |
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378 |
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379 |
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380 <directive name="ssl_engine"> |
271 | 381 <syntax><value>устройство</value></syntax> |
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382 <default/> |
76
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383 <context>main</context> |
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384 |
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385 <para> |
255
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386 Задаёт название аппаратного SSL-акселератора. |
76
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387 </para> |
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388 |
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389 </directive> |
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390 |
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391 |
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392 <directive name="timer_resolution"> |
271 | 393 <syntax><value>интервал</value></syntax> |
99
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394 <default/> |
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395 <context>main</context> |
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396 |
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397 <para> |
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398 Уменьшает разрешение таймеров времени в рабочих процессах, за счёт |
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399 чего уменьшается число системных вызовов <c-func>gettimeofday</c-func>. |
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400 По умолчанию <c-func>gettimeofday</c-func> вызывается после каждой |
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401 операции получения событий из ядра. |
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402 C уменьшенным разрешением <c-func>gettimeofday</c-func> вызывается только |
271 | 403 один раз за указанный <value>интервал</value>. |
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404 </para> |
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|
405 |
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406 <para> |
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407 Пример использования: |
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408 <example> |
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409 timer_resolution 100ms; |
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410 </example> |
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411 </para> |
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412 |
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413 <para> |
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414 Внутренняя реализация интервала зависит от используемого метода: |
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415 <list type="bullet"> |
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416 |
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417 <listitem> |
271 | 418 фильтр <c-def>EVFILT_TIMER</c-def> при использовании <literal>kqueue</literal>; |
76
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419 </listitem> |
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420 |
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Maxim Dounin <mdounin@mdounin.ru>
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421 <listitem> |
271 | 422 <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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423 </listitem> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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|
424 |
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425 <listitem> |
255
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426 и <c-func>setitimer</c-func> во всех остальных случаях. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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427 </listitem> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
428 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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429 </list> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
430 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
431 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
432 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
433 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
434 |
556
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
435 <directive name="use"> |
345012910707
Documented the "events" and "use" directives.
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parents:
554
diff
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|
436 <syntax><value>метод</value></syntax> |
345012910707
Documented the "events" and "use" directives.
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554
diff
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|
437 <default/> |
345012910707
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parents:
554
diff
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|
438 <context>events</context> |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
439 |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
440 <para> |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
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|
441 Задаёт <value>метод</value>, используемый для |
345012910707
Documented the "events" and "use" directives.
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554
diff
changeset
|
442 <link doc="events.xml">обработки соединений</link>. |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
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|
443 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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|
444 nginx сам выбирает наиболее эффективный метод. |
345012910707
Documented the "events" and "use" directives.
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parents:
554
diff
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|
445 </para> |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
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|
446 |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
447 </directive> |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
448 |
345012910707
Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents:
554
diff
changeset
|
449 |
255
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450 <directive name="user"> |
271 | 451 <syntax><value>пользователь</value> [<value>группа</value>]</syntax> |
255
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452 <default>nobody nobody</default> |
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453 <context>main</context> |
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|
454 |
e2718c7f9040
Sync ngx_core_module documentation with English version.
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455 <para> |
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456 Задаёт пользователя и группу, с правами которого будут работать |
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|
457 рабочие процессы. |
271 | 458 Если <value>группа</value> не задана, то используется группа, имя |
255
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459 которой совпадает с именем пользователя. |
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460 </para> |
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461 |
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|
462 </directive> |
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|
463 |
e2718c7f9040
Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
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diff
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|
464 |
749
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
465 <directive name="worker_aio_requests"> |
2abb92a19101
Documented 'worker_aio_requests' directive.
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parents:
742
diff
changeset
|
466 <syntax><value>число</value></syntax> |
2abb92a19101
Documented 'worker_aio_requests' directive.
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parents:
742
diff
changeset
|
467 <default>32</default> |
2abb92a19101
Documented 'worker_aio_requests' directive.
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parents:
742
diff
changeset
|
468 <context>events</context> |
750
6a1b1ba62cab
Documented history of "worker_aio_requests" directive.
Vladimir Homutov <vl@nginx.com>
parents:
749
diff
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|
469 <appeared-in>1.1.4</appeared-in> |
6a1b1ba62cab
Documented history of "worker_aio_requests" directive.
Vladimir Homutov <vl@nginx.com>
parents:
749
diff
changeset
|
470 <appeared-in>1.0.7</appeared-in> |
749
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
471 |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
472 <para> |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
473 При использовании <link doc="http/ngx_http_core_module.xml" id="aio"/> |
2abb92a19101
Documented 'worker_aio_requests' directive.
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parents:
742
diff
changeset
|
474 совместно с методом обработки соединений |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
475 <link doc="../docs/events.xml" id="epoll"/>, |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
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|
476 задаёт максимальное <value>число</value> ожидающих обработки операций |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
477 асинхронного ввода-вывода для одного рабочего процесса. |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
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|
478 </para> |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
479 |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
480 </directive> |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
481 |
2abb92a19101
Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents:
742
diff
changeset
|
482 |
545
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
483 <directive name="worker_connections"> |
e97b46d1842d
Documented the "worker_connections" directive.
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parents:
523
diff
changeset
|
484 <syntax><value>число</value></syntax> |
e97b46d1842d
Documented the "worker_connections" directive.
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parents:
523
diff
changeset
|
485 <default>512</default> |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
486 <context>events</context> |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
487 |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
488 <para> |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
489 Задаёт максимальное число соединений, которое одновременно |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
490 может открыть рабочий процесс. |
e97b46d1842d
Documented the "worker_connections" directive.
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parents:
523
diff
changeset
|
491 </para> |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
492 |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
493 <para> |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
494 Следует иметь в виду, что в это число входят все соединения |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
495 (в том числе, например, соединения с проксируемыми серверами), |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
496 а не только соединения с клиентами. |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
497 Стоит также учитывать, что фактическое число одновременных |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
498 соединений не может превышать действующего ограничения на |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
499 максимальное число открытых файлов, |
659
77a3314c74a7
Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents:
614
diff
changeset
|
500 которое можно изменить с помощью <link id="worker_rlimit_nofile"/>. |
545
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
501 </para> |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
502 |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
503 </directive> |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
504 |
e97b46d1842d
Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
523
diff
changeset
|
505 |
469
8275e169f77b
Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
506 <directive name="worker_cpu_affinity"> |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
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|
507 <syntax><value>маска_CPU</value> ...</syntax> |
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508 <default/> |
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509 <context>main</context> |
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510 |
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511 <para> |
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512 Привязывает рабочие процессы к группам процессоров. |
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513 Каждая группа процессоров задаётся битовой маской |
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514 разрешённых к использованию процессоров. |
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515 Для каждого рабочего процесса должна быть задана отдельная группа. |
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516 По умолчанию рабочие процессы не привязаны к конкретным процессорам. |
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517 </para> |
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518 |
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519 <para> |
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520 Например, |
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521 <example> |
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522 worker_processes 4; |
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523 worker_cpu_affinity 0001 0010 0100 1000; |
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524 </example> |
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525 привязывает каждый рабочий процесс к отдельному процессору, тогда как |
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|
526 <example> |
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|
527 worker_processes 2; |
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|
528 worker_cpu_affinity 0101 1010; |
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529 </example> |
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530 привязывает первый рабочий процесс к CPU0/CPU2, |
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|
531 а второй — к CPU1/CPU3. |
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|
532 Второй пример пригоден для hyper-threading. |
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533 </para> |
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534 |
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|
535 <para> |
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|
536 <note> |
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537 Директива доступна только на FreeBSD и Linux. |
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538 </note> |
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|
539 </para> |
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|
540 |
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|
541 </directive> |
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|
542 |
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|
543 |
255
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544 <directive name="worker_priority"> |
271 | 545 <syntax><value>число</value></syntax> |
255
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546 <default>0</default> |
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547 <context>main</context> |
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548 |
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549 <para> |
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550 Задаёт приоритет планирования рабочих процессов подобно тому, |
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551 как это делается командой <command>nice</command>: отрицательное |
271 | 552 <value>число</value> |
255
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553 означает более высокий приоритет. |
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554 Диапазон возможных значений, как правило, варьируется от -20 до 20. |
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555 </para> |
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556 |
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557 <para> |
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558 Пример использования: |
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559 <example> |
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560 worker_priority -10; |
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561 </example> |
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562 </para> |
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563 |
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564 </directive> |
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|
565 |
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|
566 |
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567 <directive name="worker_processes"> |
740
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568 <syntax><value>число</value> | <literal>auto</literal></syntax> |
255
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|
569 <default>1</default> |
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570 <context>main</context> |
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|
571 |
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|
572 <para> |
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573 Задаёт число рабочих процессов. |
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574 </para> |
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|
575 |
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|
576 <para> |
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|
577 Оптимальное значение зависит от множества факторов, включая |
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578 (но не ограничиваясь ими) число процессорных ядер, число |
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|
579 жёстких дисков с данными и картину нагрузок. |
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580 Если затрудняетесь в выборе правильного значения, можно начать |
740
46d70031bea9
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Andrey Belov <defan@nginx.com>
parents:
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diff
changeset
|
581 с установки его равным числу процессорных ядер |
46d70031bea9
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Andrey Belov <defan@nginx.com>
parents:
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diff
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|
582 (значение “<literal>auto</literal>” пытается определить его |
46d70031bea9
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Andrey Belov <defan@nginx.com>
parents:
659
diff
changeset
|
583 автоматически). |
742
3a2e35f4c279
Documented that "worker_processes auto" appeared in version 1.3.8.
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parents:
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diff
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|
584 <note> |
3a2e35f4c279
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parents:
740
diff
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|
585 Параметр <literal>auto</literal> поддерживается только начиная |
764
f8434fdd3cd9
The "auto" parameter of the ""worker_processes" directive
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parents:
750
diff
changeset
|
586 с версий 1.3.8 и 1.2.5. |
742
3a2e35f4c279
Documented that "worker_processes auto" appeared in version 1.3.8.
Ruslan Ermilov <ru@nginx.com>
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|
587 </note> |
255
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588 </para> |
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|
589 |
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|
590 </directive> |
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|
591 |
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|
592 |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
593 <directive name="worker_rlimit_core"> |
271 | 594 <syntax><value>размер</value></syntax> |
99
1d315ef37215
The case <default/> is now language-agnostic.
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|
595 <default/> |
76
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|
596 <context>main</context> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
597 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
598 <para> |
255
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|
599 Изменяет ограничение на наибольший размер core-файла |
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|
600 (<c-def>RLIMIT_CORE</c-def>) для рабочих процессов. |
76
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parents:
diff
changeset
|
601 Используется для увеличения ограничения без перезапуска основного процесса. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
602 </para> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
603 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
604 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
605 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
606 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
607 <directive name="worker_rlimit_nofile"> |
271 | 608 <syntax><value>число</value></syntax> |
99
1d315ef37215
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diff
changeset
|
609 <default/> |
76
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changeset
|
610 <context>main</context> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
611 |
4a4caa566120
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diff
changeset
|
612 <para> |
255
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613 Изменяет ограничение на максимальное число открытых файлов |
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|
614 (<c-def>RLIMIT_NOFILE</c-def>) для рабочих процессов. |
76
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|
615 Используется для увеличения ограничения без перезапуска основного процесса. |
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|
616 </para> |
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|
617 |
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|
618 </directive> |
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diff
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|
619 |
4a4caa566120
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parents:
diff
changeset
|
620 |
554
ccb7451af1d8
Documented the "worker_rlimit_sigpending" directive.
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changeset
|
621 <directive name="worker_rlimit_sigpending"> |
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545
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|
622 <syntax><value>число</value></syntax> |
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Documented the "worker_rlimit_sigpending" directive.
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|
623 <default/> |
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Documented the "worker_rlimit_sigpending" directive.
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|
624 <context>main</context> |
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parents:
545
diff
changeset
|
625 |
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Documented the "worker_rlimit_sigpending" directive.
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parents:
545
diff
changeset
|
626 <para> |
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627 На системах с поддержкой метода обработки соединений |
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628 <link doc="events.xml" id="rtsig"/>, |
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629 изменяет ограничение на размер очереди сигналов |
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630 (<c-def>RLIMIT_SIGPENDING</c-def>) для рабочих процессов. |
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631 Используется для увеличения ограничения без перезапуска основного процесса. |
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632 </para> |
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633 |
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634 </directive> |
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635 |
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636 |
76
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637 <directive name="working_directory"> |
271 | 638 <syntax><value>каталог</value></syntax> |
99
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The case <default/> is now language-agnostic.
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639 <default/> |
76
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640 <context>main</context> |
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641 |
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642 <para> |
255
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643 Задаёт каталог, который будет текущим для рабочего процесса. |
76
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644 Основное применение — запись core-файла, в этом случае рабочий |
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645 процесс должен иметь права на запись в этот каталог. |
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646 </para> |
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647 |
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648 </directive> |
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649 |
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650 </section> |
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651 |
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652 </module> |