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annotate xml/ru/docs/ngx_core_module.xml @ 1755:bde044a0bd90

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Documented that accept_mutex is off by default.
author Yaroslav Zhuravlev <yar@nginx.com>
date Wed, 20 Jul 2016 15:09:42 +0300
parents 147e3d0339e8
children 68928f8d31d9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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"
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12 lang="ru"
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13 rev="20">
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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>off</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 До версии 1.11.3 по умолчанию использовалось значение <literal>on</literal>.
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51 </note>
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52 </para>
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53
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54 </directive>
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55
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56
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57 <directive name="accept_mutex_delay">
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58 <syntax><value>время</value></syntax>
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59 <default>500ms</default>
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60 <context>events</context>
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61
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62 <para>
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63 При включённом <link id="accept_mutex"/> задаёт максимальное время,
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64 в течение которого рабочий процесс вновь попытается начать принимать
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65 новые соединения, если в настоящий момент новые соединения принимает
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66 другой рабочий процесс.
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67 </para>
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68
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69 </directive>
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70
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71
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72 <directive name="daemon">
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73 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
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74 <default>on</default>
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75 <context>main</context>
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77 <para>
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78 Определяет, будет ли nginx запускаться в режиме демона.
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79 Используется в основном для разработки.
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80 </para>
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81
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82 </directive>
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83
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84
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85 <directive name="debug_connection">
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86 <syntax>
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87 <value>адрес</value> |
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88 <value>CIDR</value> |
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89 <literal>unix:</literal></syntax>
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90 <default/>
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91 <context>events</context>
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92
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93 <para>
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94 Включает отладочный лог для отдельных клиентских соединений.
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95 Для остальных соединений используется уровень лога, заданный директивой
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96 <link id="error_log"/>.
523
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97 Отлаживаемые соединения задаются IPv4 или IPv6 (1.3.0, 1.2.1)
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98 адресом или сетью.
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99 Соединение может быть также задано при помощи имени хоста.
523
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100 Отладочный лог для соединений через UNIX-сокеты (1.3.0, 1.2.1)
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101 включается параметром “<literal>unix:</literal>”.
516
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102 <example>
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103 events {
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104 debug_connection 127.0.0.1;
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105 debug_connection localhost;
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106 debug_connection 192.0.2.0/24;
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107 debug_connection ::1;
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108 debug_connection 2001:0db8::/32;
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109 debug_connection unix:;
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110 ...
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111 }
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112 </example>
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113 <note>
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114 Для работы директивы необходимо сконфигурировать nginx с параметром
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115 <literal>--with-debug</literal>,
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116 см. “<link doc="debugging_log.xml"/>”.
516
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117 </note>
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118 </para>
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119
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120 </directive>
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121
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122
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123 <directive name="debug_points">
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124 <syntax><literal>abort</literal> | <literal>stop</literal></syntax>
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125 <default/>
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126 <context>main</context>
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127
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128 <para>
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129 Эта директива используется для отладки.
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130 </para>
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131
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132 <para>
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133 В случае обнаружения внутренней ошибки, например, утечки сокетов в момент
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134 перезапуска рабочих процессов, включение <literal>debug_points</literal>
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135 приводит к созданию core-файла (<literal>abort</literal>)
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136 или остановке процесса (<literal>stop</literal>) с целью последующей
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137 диагностики с помощью системного отладчика.
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138 </para>
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139
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140 </directive>
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141
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142
255
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143 <directive name="error_log">
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144 <syntax><value>файл</value> [<value>уровень</value>]</syntax>
255
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145 <default>logs/error.log error</default>
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146 <context>main</context>
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147 <context>http</context>
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148 <context>mail</context>
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149 <context>stream</context>
255
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150 <context>server</context>
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151 <context>location</context>
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152
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153 <para>
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154 Конфигурирует запись в лог.
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155 На одном уровне может использоваться несколько логов (1.5.2).
255
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156 </para>
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157
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158 <para>
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159 Первый параметр задаёт <value>файл</value>, который будет хранить лог.
255
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160 <!--
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161 Если имя файла не абсолютное, к нему добавляется в начало путь префикса.
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162 -->
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163 Специальное значение <literal>stderr</literal> выбирает стандартный файл ошибок.
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164 Запись в <link doc="syslog.xml">syslog</link> настраивается указанием префикса
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165 “<literal>syslog:</literal>”.
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166 Запись в
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167 <link doc="debugging_log.xml" id="memory">кольцевой буфер в памяти</link>
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168 настраивается указанием префикса “<literal>memory:</literal>” и
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169 <value>размера</value> буфера и как правило используется для отладки (1.7.11).
255
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170 </para>
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171
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172 <para>
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173 Второй параметр определяет <value>уровень</value> лога
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174 и может принимать одно из следующих значений:
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175 <literal>debug</literal>, <literal>info</literal>, <literal>notice</literal>,
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176 <literal>warn</literal>, <literal>error</literal>, <literal>crit</literal>,
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177 <literal>alert</literal> или <literal>emerg</literal>.
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178 Уровни лога, указанные выше, перечислены в порядке возрастания важности.
255
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179 При установке определённого уровня в лог попадают все сообщения
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180 указанного уровня и уровней большей важности.
271
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181 Например, при стандартном уровне <literal>error</literal> в лог попадают
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182 сообщения уровней <literal>error</literal>, <literal>crit</literal>,
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183 <literal>alert</literal> и <literal>emerg</literal>.
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184 Если этот параметр не задан, используется <literal>error</literal>.
255
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185 <note>
271
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186 Для работы уровня лога <literal>debug</literal> необходимо сконфигурировать
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187 nginx с <literal>--with-debug</literal>,
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188 см. “<link doc="debugging_log.xml"/>”.
255
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189 </note>
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190
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191 <note>
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192 Директива может быть указана на
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193 уровне <literal>stream</literal>
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194 начиная с версии 1.7.11.
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195 </note>
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196
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197 <note>
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198 Директива может быть указана на
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199 уровне <literal>mail</literal>
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200 начиная с версии 1.9.0.
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201 </note>
255
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202 </para>
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203
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204 </directive>
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205
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206
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207 <directive name="env">
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208 <syntax><value>переменная</value>[=<value>значение</value>]</syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
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209 <default>TZ</default>
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210 <context>main</context>
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211
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212 <para>
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213 По умолчанию nginx удаляет все переменные окружения, унаследованные
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214 от своего родительского процесса, кроме переменной TZ.
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215 Эта директива позволяет сохранить часть унаследованных переменных,
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216 поменять им значения или же создать новые переменные окружения.
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217 Эти переменные затем:
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218 <list type="bullet">
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219
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220 <listitem>
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221 наследуются во время
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222 <link doc="control.xml" id="upgrade">обновления исполняемого файла на лету</link>;
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223 </listitem>
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224
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225 <listitem>
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226 используются модулем
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227 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>;
76
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228 </listitem>
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229
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230 <listitem>
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231 используются рабочими процессами.
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232 Следует иметь в виду, что управление поведением системных библиотек
76
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233 подобным образом возможно не всегда, поскольку зачастую библиотеки используют
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234 переменные только во время инициализации, то есть ещё до того, как их
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235 можно задать с помощью данной директивы.
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236 Исключением из этого является упомянутое выше
255
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237 <link doc="control.xml" id="upgrade">обновление исполняемого файла на лету</link>.
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238 </listitem>
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239
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240 </list>
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241 </para>
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242
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243 <para>
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244 Если переменная TZ не описана явно, то она всегда наследуется
255
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245 и всегда доступна модулю
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246 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>.
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247 </para>
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248
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249 <para>
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250 Пример использования:
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251 <example>
255
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252 env MALLOC_OPTIONS;
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253 env PERL5LIB=/data/site/modules;
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254 env OPENSSL_ALLOW_PROXY_CERTS=1;
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255 </example>
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256 </para>
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257
444
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258 <para>
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259 <note>
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260 Переменная окружения NGINX используется для внутренних целей nginx
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261 и не должна устанавливаться непосредственно самим пользователем.
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262 </note>
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263 </para>
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264
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265 </directive>
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266
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267
556
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268 <directive name="events">
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269 <syntax block="yes"/>
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270 <default/>
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271 <context>main</context>
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272
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273 <para>
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274 Предоставляет контекст конфигурационного файла, в котором указываются
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275 директивы, влияющие на обработку соединений.
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276 </para>
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277
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278 </directive>
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279
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280
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281 <directive name="include">
271
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282 <syntax><value>файл</value> | <value>маска</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
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283 <default/>
104
3ae68fe2e938 A nicer look for the directive's synopsis section, including i18n
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284 <context/>
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285
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286 <para>
271
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287 Включает в конфигурацию другой <value>файл</value> или файлы,
255
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288 подходящие под заданную маску.
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289 Включаемые файлы должны содержать синтаксически верные директивы и блоки.
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290 </para>
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291
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292 <para>
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293 Пример использования:
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294 <example>
255
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295 include mime.types;
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296 include vhosts/*.conf;
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297 </example>
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298 </para>
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299
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300 </directive>
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301
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302
1650
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303 <directive name="load_module">
6b4cb951cf83 Documented the load_module directive.
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304 <syntax><value>файл</value></syntax>
6b4cb951cf83 Documented the load_module directive.
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305 <default/>
6b4cb951cf83 Documented the load_module directive.
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306 <context>main</context>
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307 <appeared-in>1.9.11</appeared-in>
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308
6b4cb951cf83 Documented the load_module directive.
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309 <para>
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310 Загружает динамический модуль.
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311 </para>
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312
6b4cb951cf83 Documented the load_module directive.
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313 <para>
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314 Пример:
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315 <example>
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316 load_module modules/ngx_mail_module.so;
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317 </example>
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318 </para>
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319
6b4cb951cf83 Documented the load_module directive.
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320 </directive>
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321
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diff changeset
322
571
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323 <directive name="lock_file">
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324 <syntax><value>файл</value></syntax>
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325 <default>logs/nginx.lock</default>
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326 <context>main</context>
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327
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328 <para>
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diff changeset
329 Для реализации <link id="accept_mutex"/> и сериализации доступа к
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
330 разделяемой памяти nginx использует механизм блокировок.
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diff changeset
331 На большинстве систем блокировки реализованы с помощью атомарных
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diff changeset
332 операций, и эта директива игнорируется.
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diff changeset
333 Для остальных систем применяется механизм файлов блокировок.
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diff changeset
334 Эта директива задаёт префикс имён файлов блокировок.
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diff changeset
335 </para>
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336
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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337 </directive>
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338
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
339
76
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340 <directive name="master_process">
271
4c6d2c614d2c Cleaned up XML tag mess:
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341 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
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342 <default>on</default>
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343 <context>main</context>
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344
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345 <para>
255
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346 Определяет, будут ли запускаться рабочие процессы.
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diff changeset
347 Эта директива предназначена для разработчиков nginx.
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348 </para>
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349
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350 </directive>
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351
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352
571
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diff changeset
353 <directive name="multi_accept">
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diff changeset
354 <syntax><literal>on</literal> | <literal>off</literal></syntax>
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
355 <default>off</default>
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diff changeset
356 <context>events</context>
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
357
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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358 <para>
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359 Если <literal>multi_accept</literal> выключен, рабочий процесс
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
360 за один раз будет принимать только одно новое соединение.
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diff changeset
361 В противном случае рабочий процесс
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diff changeset
362 за один раз будет принимать сразу все новые соединения.
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diff changeset
363 <note>
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
364 Директива игнорируется в случае использования метода обработки соединений
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
365 <link doc="events.xml" id="kqueue"/>, т.к. данный метод сам сообщает
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
366 число новых соединений, ожидающих приёма.
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
367 </note>
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
368 </para>
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diff changeset
369
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
370 </directive>
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diff changeset
371
71d775bef043 Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
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diff changeset
372
289
df261b1ce71f Documented the --with-pcre-jit configuration parameter
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parents: 271
diff changeset
373 <directive name="pcre_jit">
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diff changeset
374 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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diff changeset
375 <default>off</default>
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diff changeset
376 <context>main</context>
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diff changeset
377 <appeared-in>1.1.12</appeared-in>
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diff changeset
378
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diff changeset
379 <para>
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diff changeset
380 Разрешает или запрещает использование JIT-компиляции (PCRE JIT)
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diff changeset
381 для регулярных выражений, известных на момент парсинга конфигурации.
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diff changeset
382 </para>
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diff changeset
383
df261b1ce71f Documented the --with-pcre-jit configuration parameter
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diff changeset
384 <para>
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diff changeset
385 Использование PCRE JIT способно существенно ускорить обработку
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parents: 271
diff changeset
386 регулярных выражений.
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diff changeset
387 <note>
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diff changeset
388 Для работы JIT необходима библиотека PCRE версии 8.20 или выше,
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diff changeset
389 собранная с параметром конфигурации <literal>--enable-jit</literal>.
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parents: 271
diff changeset
390 При сборке библиотеки PCRE вместе с nginx (<literal>--with-pcre=</literal>),
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diff changeset
391 для включения поддержки JIT необходимо использовать параметр
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diff changeset
392 конфигурации <literal>--with-pcre-jit</literal>.
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diff changeset
393 </note>
df261b1ce71f Documented the --with-pcre-jit configuration parameter
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
394 </para>
df261b1ce71f Documented the --with-pcre-jit configuration parameter
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
395
df261b1ce71f Documented the --with-pcre-jit configuration parameter
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
396 </directive>
df261b1ce71f Documented the --with-pcre-jit configuration parameter
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
397
df261b1ce71f Documented the --with-pcre-jit configuration parameter
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
398
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
399 <directive name="pid">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
400 <syntax><value>файл</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 99
diff changeset
401 <default>nginx.pid</default>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
402 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
403
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
404 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
405 Задаёт <value>файл</value>, в котором будет храниться номер (PID) основного процесса.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
406 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
407
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
408 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
409
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
410
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
411 <directive name="ssl_engine">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
412 <syntax><value>устройство</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 79
diff changeset
413 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
414 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
415
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
416 <para>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
417 Задаёт название аппаратного SSL-акселератора.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
418 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
419
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
420 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
421
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
422
1436
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
423 <directive name="thread_pool">
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
424 <syntax>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
425 <value>имя</value>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
426 <literal>threads</literal>=<value>число</value>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
427 [<literal>max_queue</literal>=<value>число</value>]</syntax>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
428 <default>default threads=32 max_queue=65536</default>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
429 <context>main</context>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
430 <appeared-in>1.7.11</appeared-in>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
431
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
432 <para>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
433 Задаёт именованные пулы потоков,
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
434 используемые для многопоточной обработки операций чтения и отправки файлов
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
435 <link doc="http/ngx_http_core_module.xml" id="aio">без блокирования</link>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
436 рабочего процесса.
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
437 </para>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
438
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
439 <para>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
440 Параметр <literal>threads</literal>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
441 задаёт число потоков в пуле.
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
442 </para>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
443
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
444 <para>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
445 Если все потоки из пула заняты выполнением заданий,
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
446 новое задание будет ожидать своего выполнения в очереди.
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
447 Параметр <literal>max_queue</literal> ограничивает число заданий,
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
448 ожидающих своего выполнения в очереди.
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
449 По умолчанию в очереди может находиться до 65536 заданий.
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
450 При переполнении очереди задание завершается с ошибкой.
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
451 </para>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
452
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
453 </directive>
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
454
2333e08e277d Documented thread pools.
Ruslan Ermilov <ru@nginx.com>
parents: 1285
diff changeset
455
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
456 <directive name="timer_resolution">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
457 <syntax><value>интервал</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 79
diff changeset
458 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
459 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
460
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
461 <para>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
462 Уменьшает разрешение таймеров времени в рабочих процессах, за счёт
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
463 чего уменьшается число системных вызовов <c-func>gettimeofday</c-func>.
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
464 По умолчанию <c-func>gettimeofday</c-func> вызывается после каждой
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
465 операции получения событий из ядра.
957
6d9d4bb571a9 Text review of the ngx_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 935
diff changeset
466 При уменьшении разрешения <c-func>gettimeofday</c-func> вызывается только
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
467 один раз за указанный <value>интервал</value>.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
468 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
469
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
470 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
471 Пример использования:
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
472 <example>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
473 timer_resolution 100ms;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
474 </example>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
475 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
476
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
477 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
478 Внутренняя реализация интервала зависит от используемого метода:
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
479 <list type="bullet">
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
480
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
481 <listitem>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
482 фильтр <c-def>EVFILT_TIMER</c-def> при использовании <literal>kqueue</literal>;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
483 </listitem>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
484
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
485 <listitem>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
486 <c-func>timer_create</c-func> при использовании <literal>eventport</literal>;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
487 </listitem>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
488
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
489 <listitem>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
490 и <c-func>setitimer</c-func> во всех остальных случаях.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
491 </listitem>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
492
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
493 </list>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
494 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
495
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
496 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
497
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
498
556
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
499 <directive name="use">
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
500 <syntax><value>метод</value></syntax>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
501 <default/>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
502 <context>events</context>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
503
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
504 <para>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
505 Задаёт <value>метод</value>, используемый для
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
506 <link doc="events.xml">обработки соединений</link>.
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
507 Обычно нет необходимости задавать его явно, поскольку по умолчанию
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
508 nginx сам выбирает наиболее эффективный метод.
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
509 </para>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
510
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
511 </directive>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
512
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
513
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
514 <directive name="user">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
515 <syntax><value>пользователь</value> [<value>группа</value>]</syntax>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
516 <default>nobody nobody</default>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
517 <context>main</context>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
518
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
519 <para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
520 Задаёт пользователя и группу, с правами которого будут работать
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
521 рабочие процессы.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
522 Если <value>группа</value> не задана, то используется группа, имя
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
523 которой совпадает с именем пользователя.
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
524 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
525
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
526 </directive>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
527
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
528
749
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
529 <directive name="worker_aio_requests">
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
530 <syntax><value>число</value></syntax>
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
531 <default>32</default>
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
532 <context>events</context>
750
6a1b1ba62cab Documented history of "worker_aio_requests" directive.
Vladimir Homutov <vl@nginx.com>
parents: 749
diff changeset
533 <appeared-in>1.1.4</appeared-in>
6a1b1ba62cab Documented history of "worker_aio_requests" directive.
Vladimir Homutov <vl@nginx.com>
parents: 749
diff changeset
534 <appeared-in>1.0.7</appeared-in>
749
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
535
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
536 <para>
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
537 При использовании <link doc="http/ngx_http_core_module.xml" id="aio"/>
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
538 совместно с методом обработки соединений
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
539 <link doc="../docs/events.xml" id="epoll"/>,
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
540 задаёт максимальное <value>число</value> ожидающих обработки операций
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
541 асинхронного ввода-вывода для одного рабочего процесса.
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
542 </para>
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
543
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
544 </directive>
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
545
2abb92a19101 Documented 'worker_aio_requests' directive.
Vladimir Homutov <vl@nginx.com>
parents: 742
diff changeset
546
545
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
547 <directive name="worker_connections">
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
548 <syntax><value>число</value></syntax>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
549 <default>512</default>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
550 <context>events</context>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
551
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
552 <para>
957
6d9d4bb571a9 Text review of the ngx_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 935
diff changeset
553 Задаёт максимальное число соединений, которые одновременно
545
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
554 может открыть рабочий процесс.
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
555 </para>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
556
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
557 <para>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
558 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
559 (в том числе, например, соединения с проксируемыми серверами),
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
560 а не только соединения с клиентами.
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
561 Стоит также учитывать, что фактическое число одновременных
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
562 соединений не может превышать действующего ограничения на
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
563 максимальное число открытых файлов,
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 614
diff changeset
564 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
565 </para>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
566
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
567 </directive>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
568
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
569
469
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
570 <directive name="worker_cpu_affinity">
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
571 <syntax><value>маска_CPU</value> ...</syntax>
1641
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
572 <syntax><literal>auto</literal> [<value>маска_CPU</value>]</syntax>
469
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
573 <default/>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
574 <context>main</context>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
575
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
576 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
577 Привязывает рабочие процессы к группам процессоров.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
578 Каждая группа процессоров задаётся битовой маской
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
579 разрешённых к использованию процессоров.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
580 Для каждого рабочего процесса должна быть задана отдельная группа.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
581 По умолчанию рабочие процессы не привязаны к конкретным процессорам.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
582 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
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 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
585 Например,
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
586 <example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
587 worker_processes 4;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
588 worker_cpu_affinity 0001 0010 0100 1000;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
589 </example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
590 привязывает каждый рабочий процесс к отдельному процессору, тогда как
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
591 <example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
592 worker_processes 2;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
593 worker_cpu_affinity 0101 1010;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
594 </example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
595 привязывает первый рабочий процесс к CPU0/CPU2,
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
596 а второй — к CPU1/CPU3.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
597 Второй пример пригоден для hyper-threading.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
598 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
599
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
600 <para>
1641
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
601 Специальное значение <literal>auto</literal> (1.9.10) позволяет
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
602 автоматически привязать рабочие процессы к доступным процессорам:
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
603 <example>
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
604 worker_processes auto;
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
605 worker_cpu_affinity auto;
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
606 </example>
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
607 С помощью необязательной маски можно ограничить процессоры,
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
608 доступные для автоматической привязки:
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
609 <example>
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
610 worker_cpu_affinity auto 01010101;
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
611 </example>
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
612 </para>
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
613
c0d1026e7e7b Documented the "auto" parameter in worker_cpu_affinity.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1480
diff changeset
614 <para>
469
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
615 <note>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
616 Директива доступна только на FreeBSD и Linux.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
617 </note>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
618 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
619
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
620 </directive>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
621
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
622
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
623 <directive name="worker_priority">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
624 <syntax><value>число</value></syntax>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
625 <default>0</default>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
626 <context>main</context>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
627
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
628 <para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
629 Задаёт приоритет планирования рабочих процессов подобно тому,
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
630 как это делается командой <command>nice</command>: отрицательное
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
631 <value>число</value>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
632 означает более высокий приоритет.
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
633 Диапазон возможных значений, как правило, варьируется от -20 до 20.
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
634 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
635
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
636 <para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
637 Пример использования:
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
638 <example>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
639 worker_priority -10;
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
640 </example>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
641 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
642
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
643 </directive>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
644
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
645
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
646 <directive name="worker_processes">
740
46d70031bea9 Documented the recently added "auto" parameter of the
Andrey Belov <defan@nginx.com>
parents: 659
diff changeset
647 <syntax><value>число</value> | <literal>auto</literal></syntax>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
648 <default>1</default>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
649 <context>main</context>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
650
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
651 <para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
652 Задаёт число рабочих процессов.
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
653 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
654
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
655 <para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
656 Оптимальное значение зависит от множества факторов, включая
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
657 (но не ограничиваясь ими) число процессорных ядер, число
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
658 жёстких дисков с данными и картину нагрузок.
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
659 Если затрудняетесь в выборе правильного значения, можно начать
740
46d70031bea9 Documented the recently added "auto" parameter of the
Andrey Belov <defan@nginx.com>
parents: 659
diff changeset
660 с установки его равным числу процессорных ядер
46d70031bea9 Documented the recently added "auto" parameter of the
Andrey Belov <defan@nginx.com>
parents: 659
diff changeset
661 (значение “<literal>auto</literal>” пытается определить его
46d70031bea9 Documented the recently added "auto" parameter of the
Andrey Belov <defan@nginx.com>
parents: 659
diff changeset
662 автоматически).
742
3a2e35f4c279 Documented that "worker_processes auto" appeared in version 1.3.8.
Ruslan Ermilov <ru@nginx.com>
parents: 740
diff changeset
663 <note>
3a2e35f4c279 Documented that "worker_processes auto" appeared in version 1.3.8.
Ruslan Ermilov <ru@nginx.com>
parents: 740
diff changeset
664 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 changeset
665 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>
parents: 740
diff changeset
666 </note>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
667 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
668
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
669 </directive>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
670
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
671
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
672 <directive name="worker_rlimit_core">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
673 <syntax><value>размер</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 79
diff changeset
674 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
675 <context>main</context>
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 <para>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
678 Изменяет ограничение на наибольший размер core-файла
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
679 (<c-def>RLIMIT_CORE</c-def>) для рабочих процессов.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
680 Используется для увеличения ограничения без перезапуска основного процесса.
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
681 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
682
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
683 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
684
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
685
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
686 <directive name="worker_rlimit_nofile">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
687 <syntax><value>число</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 79
diff changeset
688 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
689 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
690
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
691 <para>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
692 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
693 (<c-def>RLIMIT_NOFILE</c-def>) для рабочих процессов.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
694 Используется для увеличения ограничения без перезапуска основного процесса.
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
695 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
696
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
697 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
698
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
699
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
700 <directive name="working_directory">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
701 <syntax><value>каталог</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 79
diff changeset
702 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
703 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
704
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
705 <para>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
706 Задаёт каталог, который будет текущим для рабочего процесса.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
707 Основное применение — запись core-файла, в этом случае рабочий
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
708 процесс должен иметь права на запись в этот каталог.
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
709 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
710
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
711 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
712
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
713 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
714
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
715 </module>