annotate xml/ru/docs/ngx_core_module.xml @ 659:77a3314c74a7

Avoid the uses of second person.
author Ruslan Ermilov <ru@nginx.com>
date Tue, 28 Aug 2012 09:23:40 +0000
parents 0526cac4637e
children 46d70031bea9
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="1">
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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">
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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
516
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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
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99 Отлаживаемые соединения задаются IPv4 или IPv6 (1.3.0, 1.2.1)
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100 адресом или сетью.
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101 Соединение может быть также задано при помощи имени хоста.
523
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102 Отладочный лог для соединений через UNIX-сокеты (1.3.0, 1.2.1)
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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
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124 <directive name="debug_points">
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125 <syntax><literal>abort</literal> | <literal>stop</literal></syntax>
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126 <default/>
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127 <context>main</context>
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128
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129 <para>
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130 Эта директива используется для отладки.
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131 </para>
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132
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133 <para>
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134 В случае обнаружения внутренней ошибки, например, утечки сокетов в момент
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135 перезапуска рабочих процессов, включение <literal>debug_points</literal>
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136 приводит к созданию core-файла (<literal>abort</literal>)
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137 или остановке процесса (<literal>stop</literal>) с целью последующей
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138 диагностики с помощью системного отладчика.
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139 </para>
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140
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141 </directive>
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142
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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>
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147 [<literal>debug</literal> |
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148 <literal>info</literal> |
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149 <literal>notice</literal> |
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150 <literal>warn</literal> |
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151 <literal>error</literal> |
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152 <literal>crit</literal> |
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153 <literal>alert</literal> |
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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
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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.
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171 </para>
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172
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173 <para>
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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
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178 Например, при стандартном уровне <literal>error</literal> в лог попадают
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179 сообщения уровней <literal>error</literal>, <literal>crit</literal>,
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180 <literal>alert</literal> и <literal>emerg</literal>.
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181 Если этот параметр не задан, используется <literal>error</literal>.
255
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182 <note>
271
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183 Для работы уровня лога <literal>debug</literal> необходимо сконфигурировать
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184 nginx с <literal>--with-debug</literal>.
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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">
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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>
255
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197 Позволяет ограничить набор переменных окружения, поменять им значения
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198 или же создать новые переменные окружения для следующих случаев:
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199 <list type="bullet">
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200
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201 <listitem>
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202 наследование переменных во время
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203 <link doc="control.xml" id="upgrade">обновления исполняемого файла на лету</link>;
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204 </listitem>
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205
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206 <listitem>
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207 использование переменных модулем
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208 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>;
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209 </listitem>
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210
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211 <listitem>
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212 использование переменных рабочими процессами.
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213 Однако нужно иметь в виду, что управление поведением системных библиотек
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214 подобным образом возможно не всегда, поскольку зачастую библиотеки используют
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215 переменные только во время инициализации, то есть ещё до того, как их
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216 можно задать с помощью данной директивы.
255
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217 Исключением из этого является вышеописанное
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218 <link doc="control.xml" id="upgrade">обновление исполняемого файла на лету</link>.
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219 </listitem>
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220
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221 </list>
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222 </para>
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223
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224 <para>
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225 Если переменная TZ не описана явно, то она всегда наследуется
255
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226 и всегда доступна модулю
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227 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>.
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228 </para>
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229
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230 <para>
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231 Пример использования:
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232 <example>
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233 env MALLOC_OPTIONS;
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234 env PERL5LIB=/data/site/modules;
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235 env OPENSSL_ALLOW_PROXY_CERTS=1;
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236 </example>
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237 </para>
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238
444
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239 <para>
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240 <note>
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241 Переменная окружения NGINX используется для внутренних целей nginx
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242 и не должна устанавливаться непосредственно самим пользователем.
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243 </note>
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244 </para>
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245
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246 </directive>
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247
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248
556
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249 <directive name="events">
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250 <syntax block="yes"/>
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251 <default/>
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252 <context>main</context>
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253
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254 <para>
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255 Предоставляет контекст конфигурационного файла, в котором указываются
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256 директивы, влияющие на обработку соединений.
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257 </para>
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258
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259 </directive>
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260
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261
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262 <directive name="include">
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263 <syntax><value>файл</value> | <value>маска</value></syntax>
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264 <default/>
104
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265 <context/>
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266
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267 <para>
271
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268 Включает в конфигурацию другой <value>файл</value> или файлы,
255
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269 подходящие под заданную маску.
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270 Включаемые файлы должны содержать синтаксически верные директивы и блоки.
76
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271 </para>
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272
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273 <para>
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274 Пример использования:
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275 <example>
255
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276 include mime.types;
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277 include vhosts/*.conf;
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278 </example>
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279 </para>
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280
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281 </directive>
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282
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283
571
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284 <directive name="lock_file">
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285 <syntax><value>файл</value></syntax>
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286 <default>logs/nginx.lock</default>
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287 <context>main</context>
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288
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289 <para>
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290 Для реализации <link id="accept_mutex"/> и сериализации доступа к
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291 разделяемой памяти nginx использует механизм блокировок.
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292 На большинстве систем блокировки реализованы с помощью атомарных
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293 операций, и эта директива игнорируется.
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294 Для остальных систем применяется механизм файлов блокировок.
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295 Эта директива задаёт префикс имён файлов блокировок.
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296 </para>
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297
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298 </directive>
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299
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300
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301 <directive name="master_process">
271
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302 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
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303 <default>on</default>
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304 <context>main</context>
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305
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306 <para>
255
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307 Определяет, будут ли запускаться рабочие процессы.
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308 Эта директива предназначена для разработчиков nginx.
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309 </para>
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310
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311 </directive>
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312
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313
571
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314 <directive name="multi_accept">
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315 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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316 <default>off</default>
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317 <context>events</context>
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318
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319 <para>
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320 Если <literal>multi_accept</literal> выключен, рабочий процесс
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321 за один раз будет принимать только одно новое соединение.
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322 В противном случае рабочий процесс
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323 за один раз будет принимать сразу все новые соединения.
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324 <note>
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325 Директива игнорируется в случае использования метода обработки соединений
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326 <link doc="events.xml" id="kqueue"/>, т.к. данный метод сам сообщает
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327 число новых соединений, ожидающих приёма.
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328 </note>
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329 <note>
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330 Использование метода обработки соединений
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331 <link doc="events.xml" id="rtsig"/>
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332 автоматически включает <literal>multi_accept</literal>.
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333 </note>
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334 </para>
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335
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336 </directive>
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337
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338
289
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339 <directive name="pcre_jit">
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340 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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341 <default>off</default>
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342 <context>main</context>
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343 <appeared-in>1.1.12</appeared-in>
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344
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345 <para>
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346 Разрешает или запрещает использование JIT-компиляции (PCRE JIT)
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347 для регулярных выражений, известных на момент парсинга конфигурации.
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348 </para>
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349
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350 <para>
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351 Использование PCRE JIT способно существенно ускорить обработку
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352 регулярных выражений.
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353 <note>
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354 Для работы JIT необходима библиотека PCRE версии 8.20 или выше,
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355 собранная с параметром конфигурации <literal>--enable-jit</literal>.
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356 При сборке библиотеки PCRE вместе с nginx (<literal>--with-pcre=</literal>),
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357 для включения поддержки JIT необходимо использовать параметр
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358 конфигурации <literal>--with-pcre-jit</literal>.
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359 </note>
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360 </para>
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361
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362 </directive>
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363
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diff changeset
364
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365 <directive name="pid">
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366 <syntax><value>файл</value></syntax>
102
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367 <default>nginx.pid</default>
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368 <context>main</context>
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369
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370 <para>
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371 Задаёт <value>файл</value>, в котором будет храниться номер (PID) основного процесса.
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372 </para>
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373
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374 </directive>
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375
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376
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377 <directive name="ssl_engine">
271
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378 <syntax><value>устройство</value></syntax>
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379 <default/>
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380 <context>main</context>
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381
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382 <para>
255
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383 Задаёт название аппаратного SSL-акселератора.
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384 </para>
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385
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386 </directive>
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387
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388
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389 <directive name="timer_resolution">
271
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390 <syntax><value>интервал</value></syntax>
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391 <default/>
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392 <context>main</context>
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393
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394 <para>
255
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395 Уменьшает разрешение таймеров времени в рабочих процессах, за счёт
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396 чего уменьшается число системных вызовов <c-func>gettimeofday</c-func>.
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397 По умолчанию <c-func>gettimeofday</c-func> вызывается после каждой
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398 операции получения событий из ядра.
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399 C уменьшенным разрешением <c-func>gettimeofday</c-func> вызывается только
271
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parents: 270
diff changeset
400 один раз за указанный <value>интервал</value>.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
401 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
402
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
403 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
404 Пример использования:
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
405 <example>
255
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diff changeset
406 timer_resolution 100ms;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
407 </example>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
408 </para>
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 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
411 Внутренняя реализация интервала зависит от используемого метода:
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
412 <list type="bullet">
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
413
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
414 <listitem>
271
4c6d2c614d2c Cleaned up XML tag mess:
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parents: 270
diff changeset
415 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
416 </listitem>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
417
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
418 <listitem>
271
4c6d2c614d2c Cleaned up XML tag mess:
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parents: 270
diff changeset
419 <c-func>timer_create</c-func> при использовании <literal>eventport</literal>;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
420 </listitem>
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 <listitem>
255
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parents: 222
diff changeset
423 и <c-func>setitimer</c-func> во всех остальных случаях.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
424 </listitem>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
425
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
426 </list>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
427 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
428
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
429 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
430
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
431
556
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
432 <directive name="use">
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
433 <syntax><value>метод</value></syntax>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
434 <default/>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
435 <context>events</context>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
436
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
437 <para>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
438 Задаёт <value>метод</value>, используемый для
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
439 <link doc="events.xml">обработки соединений</link>.
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
440 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
441 nginx сам выбирает наиболее эффективный метод.
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
442 </para>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
443
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
444 </directive>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
445
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
446
255
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parents: 222
diff changeset
447 <directive name="user">
271
4c6d2c614d2c Cleaned up XML tag mess:
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parents: 270
diff changeset
448 <syntax><value>пользователь</value> [<value>группа</value>]</syntax>
255
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diff changeset
449 <default>nobody nobody</default>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
450 <context>main</context>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
451
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
452 <para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
453 Задаёт пользователя и группу, с правами которого будут работать
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
454 рабочие процессы.
271
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diff changeset
455 Если <value>группа</value> не задана, то используется группа, имя
255
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diff changeset
456 которой совпадает с именем пользователя.
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
457 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
458
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
459 </directive>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
460
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
461
545
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
462 <directive name="worker_connections">
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
463 <syntax><value>число</value></syntax>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
464 <default>512</default>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
465 <context>events</context>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
466
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
467 <para>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
468 Задаёт максимальное число соединений, которое одновременно
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
469 может открыть рабочий процесс.
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
470 </para>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
471
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
472 <para>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
473 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
474 (в том числе, например, соединения с проксируемыми серверами),
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
475 а не только соединения с клиентами.
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
476 Стоит также учитывать, что фактическое число одновременных
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
477 соединений не может превышать действующего ограничения на
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
478 максимальное число открытых файлов,
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 614
diff changeset
479 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
480 </para>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
481
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
482 </directive>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
483
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
484
469
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
485 <directive name="worker_cpu_affinity">
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
486 <syntax><value>маска_CPU</value> ...</syntax>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
487 <default/>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
488 <context>main</context>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
489
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
490 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
491 Привязывает рабочие процессы к группам процессоров.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
492 Каждая группа процессоров задаётся битовой маской
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
493 разрешённых к использованию процессоров.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
494 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
495 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
496 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
497
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
498 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
499 Например,
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
500 <example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
501 worker_processes 4;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
502 worker_cpu_affinity 0001 0010 0100 1000;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
503 </example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
504 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
505 <example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
506 worker_processes 2;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
507 worker_cpu_affinity 0101 1010;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
508 </example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
509 привязывает первый рабочий процесс к CPU0/CPU2,
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
510 а второй — к CPU1/CPU3.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
511 Второй пример пригоден для hyper-threading.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
512 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
513
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
514 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
515 <note>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
516 Директива доступна только на FreeBSD и Linux.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
517 </note>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
518 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
519
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
520 </directive>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
521
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
522
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
523 <directive name="worker_priority">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
524 <syntax><value>число</value></syntax>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
525 <default>0</default>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
526 <context>main</context>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
527
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
528 <para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
529 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
530 как это делается командой <command>nice</command>: отрицательное
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
531 <value>число</value>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
532 означает более высокий приоритет.
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
533 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
534 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
535
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
536 <para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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537 Пример использования:
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538 <example>
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539 worker_priority -10;
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540 </example>
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541 </para>
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542
e2718c7f9040 Sync ngx_core_module documentation with English version.
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543 </directive>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
544
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
545
e2718c7f9040 Sync ngx_core_module documentation with English version.
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546 <directive name="worker_processes">
271
4c6d2c614d2c Cleaned up XML tag mess:
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547 <syntax><value>число</value></syntax>
255
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548 <default>1</default>
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549 <context>main</context>
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550
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551 <para>
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552 Задаёт число рабочих процессов.
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553 </para>
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diff changeset
554
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555 <para>
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556 Оптимальное значение зависит от множества факторов, включая
e2718c7f9040 Sync ngx_core_module documentation with English version.
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557 (но не ограничиваясь ими) число процессорных ядер, число
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558 жёстких дисков с данными и картину нагрузок.
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559 Если затрудняетесь в выборе правильного значения, можно начать
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560 с установки его равным числу процессорных ядер.
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561 </para>
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562
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563 </directive>
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564
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diff changeset
565
76
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566 <directive name="worker_rlimit_core">
271
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567 <syntax><value>размер</value></syntax>
99
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568 <default/>
76
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569 <context>main</context>
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570
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571 <para>
255
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572 Изменяет ограничение на наибольший размер core-файла
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573 (<c-def>RLIMIT_CORE</c-def>) для рабочих процессов.
76
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574 Используется для увеличения ограничения без перезапуска основного процесса.
4a4caa566120 Russian documentation import.
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parents:
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575 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
576
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
577 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
578
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
579
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parents:
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580 <directive name="worker_rlimit_nofile">
271
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581 <syntax><value>число</value></syntax>
99
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582 <default/>
76
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583 <context>main</context>
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diff changeset
584
4a4caa566120 Russian documentation import.
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585 <para>
255
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586 Изменяет ограничение на максимальное число открытых файлов
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587 (<c-def>RLIMIT_NOFILE</c-def>) для рабочих процессов.
76
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588 Используется для увеличения ограничения без перезапуска основного процесса.
4a4caa566120 Russian documentation import.
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parents:
diff changeset
589 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
590
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
591 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
592
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
593
554
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594 <directive name="worker_rlimit_sigpending">
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
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595 <syntax><value>число</value></syntax>
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diff changeset
596 <default/>
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diff changeset
597 <context>main</context>
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diff changeset
598
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
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diff changeset
599 <para>
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diff changeset
600 На системах с поддержкой метода обработки соединений
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diff changeset
601 <link doc="events.xml" id="rtsig"/>,
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diff changeset
602 изменяет ограничение на размер очереди сигналов
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
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diff changeset
603 (<c-def>RLIMIT_SIGPENDING</c-def>) для рабочих процессов.
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
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parents: 545
diff changeset
604 Используется для увеличения ограничения без перезапуска основного процесса.
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
605 </para>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
606
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
607 </directive>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
608
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
609
76
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diff changeset
610 <directive name="working_directory">
271
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611 <syntax><value>каталог</value></syntax>
99
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diff changeset
612 <default/>
76
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613 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
614
4a4caa566120 Russian documentation import.
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diff changeset
615 <para>
255
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616 Задаёт каталог, который будет текущим для рабочего процесса.
76
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diff changeset
617 Основное применение — запись core-файла, в этом случае рабочий
4a4caa566120 Russian documentation import.
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parents:
diff changeset
618 процесс должен иметь права на запись в этот каталог.
4a4caa566120 Russian documentation import.
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parents:
diff changeset
619 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
620
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
621 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
622
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
623 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
624
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
625 </module>