Mercurial > hg > nginx-site
annotate xml/en/docs/http/ngx_http_fastcgi_module.xml @ 508:5e332fafd228
Documented "cache loader" and its parameters.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Tue, 24 Apr 2012 11:09:33 +0000 |
parents | 657848837328 |
children | 0e55c9a48da9 |
rev | line source |
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English translation of the ngx_http_fastcgi_module module documentation.
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1 <?xml version="1.0"?> |
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English translation of the ngx_http_fastcgi_module module documentation.
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2 |
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English translation of the ngx_http_fastcgi_module module documentation.
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3 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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4 |
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English translation of the ngx_http_fastcgi_module module documentation.
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5 <module name="Module ngx_http_fastcgi_module" |
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English translation of the ngx_http_fastcgi_module module documentation.
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6 link="/en/docs/http/ngx_http_fastcgi_module.html" |
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7 lang="en"> |
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8 |
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English translation of the ngx_http_fastcgi_module module documentation.
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9 <section id="summary"> |
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10 |
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11 <para> |
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12 The <literal>ngx_http_fastcgi_module</literal> module allows to pass |
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13 requests to a FastCGI server. |
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14 </para> |
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15 |
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16 </section> |
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17 |
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18 |
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19 <section id="example" name="Example Configuration"> |
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20 |
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21 <para> |
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22 <example> |
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23 location / { |
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24 fastcgi_pass localhost:9000; |
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25 fastcgi_index index.php; |
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26 |
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27 fastcgi_param SCRIPT_FILENAME /home/www/scripts/php$fastcgi_script_name; |
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28 fastcgi_param QUERY_STRING $query_string; |
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29 fastcgi_param REQUEST_METHOD $request_method; |
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30 fastcgi_param CONTENT_TYPE $content_type; |
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31 fastcgi_param CONTENT_LENGTH $content_length; |
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32 } |
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33 </example> |
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34 </para> |
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35 |
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36 </section> |
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37 |
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38 |
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39 <section id="directives" name="Directives"> |
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40 |
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41 <directive name="fastcgi_buffer_size"> |
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42 <syntax><value>size</value></syntax> |
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43 <default>4k|8k</default> |
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44 <context>http</context> |
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45 <context>server</context> |
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46 <context>location</context> |
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47 |
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48 <para> |
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49 Sets <value>size</value> of the buffer used for reading the first part |
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50 of a response received from the FastCGI server. |
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51 This part usually contains a small response header. |
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52 By default, the buffer size is equal to the size of one |
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53 buffer set by the <link id="fastcgi_buffers"/> directive. |
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54 It can be made smaller however. |
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55 </para> |
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56 |
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57 </directive> |
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58 |
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59 |
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60 <directive name="fastcgi_buffers"> |
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61 <syntax><value>number</value> <value>size</value></syntax> |
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62 <default>8 4k|8k</default> |
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63 <context>http</context> |
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64 <context>server</context> |
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65 <context>location</context> |
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66 |
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67 <para> |
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68 Sets the <value>number</value> and <value>size</value> of |
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69 buffers used for reading a response from the FastCGI server, |
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70 for a single connection. |
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71 By default, the buffer size is equal to one memory page. |
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72 This is either 4K or 8K, depending on a platform. |
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73 </para> |
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74 |
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75 </directive> |
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76 |
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77 |
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78 <directive name="fastcgi_busy_buffers_size"> |
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79 <syntax><value>size</value></syntax> |
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80 <default>8k|16k</default> |
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81 <context>http</context> |
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82 <context>server</context> |
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83 <context>location</context> |
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84 |
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85 <para> |
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86 Limits the total <value>size</value> of buffers that |
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87 can be busy sending a response to the client while the response is not |
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88 yet fully read. |
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89 In the mean time, the rest of the buffers can be used for reading a response |
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90 and, if needed, buffering part of a response to a temporary file. |
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91 By default, <value>size</value> is limited by two buffers set by the |
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92 <link id="fastcgi_buffer_size"/> and <link id="fastcgi_buffers"/> directives. |
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93 </para> |
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94 |
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95 </directive> |
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96 |
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97 |
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98 <directive name="fastcgi_cache"> |
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99 <syntax><value>zone</value> | <literal>off</literal></syntax> |
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100 <default>off</default> |
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101 <context>http</context> |
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102 <context>server</context> |
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103 <context>location</context> |
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104 |
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105 <para> |
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106 Defines a zone used for caching. |
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107 The same zone can be used in several places. |
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108 The <literal>off</literal> parameter disables caching inherited |
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109 from the previous configuration level. |
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110 </para> |
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111 |
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112 </directive> |
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113 |
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114 |
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115 <directive name="fastcgi_cache_bypass"> |
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116 <syntax><value>string</value> ...</syntax> |
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117 <default/> |
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118 <context>http</context> |
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119 <context>server</context> |
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120 <context>location</context> |
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121 |
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122 <para> |
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123 Defines conditions under which the response will not be taken from a cache. |
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124 If at least one value of the string parameters is not empty and is not |
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125 equal to “0” then the response will not be taken from the cache: |
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126 <example> |
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127 fastcgi_cache_bypass $cookie_nocache $arg_nocache$arg_comment; |
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128 fastcgi_cache_bypass $http_pragma $http_authorization; |
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129 </example> |
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130 Can be used along with the <link id="fastcgi_no_cache"/> directive. |
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131 </para> |
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132 |
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133 </directive> |
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134 |
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135 |
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136 <directive name="fastcgi_cache_key"> |
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137 <syntax><value>string</value></syntax> |
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138 <default/> |
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139 <context>http</context> |
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140 <context>server</context> |
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141 <context>location</context> |
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142 |
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143 <para> |
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144 Defines a key for caching, for example |
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145 <example> |
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146 fastcgi_cache_key localhost:9000$request_uri; |
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147 </example> |
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148 </para> |
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149 |
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150 </directive> |
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151 |
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152 |
302
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153 <directive name="fastcgi_cache_lock"> |
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154 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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155 <default>off</default> |
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156 <context>http</context> |
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157 <context>server</context> |
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158 <context>location</context> |
310
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159 <appeared-in>1.1.12</appeared-in> |
302
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160 |
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161 <para> |
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162 When enabled, only one request at a time will be allowed to populate |
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163 a new cache element identified according to the <link id="fastcgi_cache_key"/> |
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164 directive by passing a request to a FastCGI server. |
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165 Other requests of the same cache element will either wait |
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166 for a response to appear in the cache, or the cache lock for |
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167 this element to be released, up to the time set by the |
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168 <link id="fastcgi_cache_lock_timeout"/> directive. |
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169 </para> |
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170 |
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171 </directive> |
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172 |
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173 |
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174 <directive name="fastcgi_cache_lock_timeout"> |
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175 <syntax><value>time</value></syntax> |
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176 <default>5s</default> |
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177 <context>http</context> |
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178 <context>server</context> |
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179 <context>location</context> |
310
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180 <appeared-in>1.1.12</appeared-in> |
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181 |
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182 <para> |
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183 Sets a timeout for <link id="fastcgi_cache_lock"/>. |
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184 </para> |
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185 |
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186 </directive> |
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187 |
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188 |
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189 <directive name="fastcgi_cache_min_uses"> |
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190 <syntax><value>number</value></syntax> |
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191 <default>1</default> |
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192 <context>http</context> |
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193 <context>server</context> |
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194 <context>location</context> |
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195 |
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196 <para> |
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197 Sets the <value>number</value> of requests after which the response |
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198 will be cached. |
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199 </para> |
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200 |
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201 </directive> |
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202 |
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203 |
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204 <directive name="fastcgi_cache_path"> |
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205 <syntax> |
364 | 206 <value>path</value> |
207 [<literal>levels</literal>=<value>levels</value>] | |
208 <literal>keys_zone</literal>=<value>name</value>:<value>size</value> | |
209 [<literal>inactive</literal>=<value>time</value>] | |
508
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210 [<literal>max_size</literal>=<value>size</value>] |
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211 [<literal>loader_files</literal>=<value>number</value>] |
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212 [<literal>loader_sleep</literal>=<value>time</value>] |
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213 [<literal>loader_threshold</literal>=<value>time</value>]</syntax> |
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214 <default/> |
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215 <context>http</context> |
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216 |
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217 <para> |
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218 Sets path and other parameters of a cache. |
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219 Cache data are stored in files. |
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220 Both the key and file name in a cache are a result of |
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221 applying the MD5 function to the proxied URL. |
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222 |
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223 The <literal>levels</literal> parameter defines hierarchy levels of a cache. |
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224 For example, in the following configuration |
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225 <example> |
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226 fastcgi_cache_path /data/nginx/cache levels=1:2 keys_zone=one:10m; |
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227 </example> |
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228 file names in a cache will look like this: |
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229 <example> |
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230 /data/nginx/cache/<emphasis>c</emphasis>/<emphasis>29</emphasis>/b7f54b2df7773722d382f4809d650<emphasis>29c</emphasis> |
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231 </example> |
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232 </para> |
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233 |
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234 <para> |
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235 A cached response is first written to a temporary file, then a file is renamed. |
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236 Starting from version 0.8.9 temporary files and the cache can be put on |
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237 different file systems but be aware that in this case a file is copied |
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238 across two file systems instead of the cheap rename operation. |
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239 It is thus recommended that for any given location both cache and a directory |
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240 holding temporary files set by the <link id="fastcgi_temp_path"/> directive |
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241 are put on the same file system. |
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242 </para> |
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243 |
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244 <para> |
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245 In addition, all active keys and information about data are stored |
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246 in a shared memory zone, whose <value>name</value> and <value>size</value> |
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247 are configured by the <literal>keys_zone</literal> parameter. |
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248 Cached data that are not accessed during the time specified by the |
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249 <literal>inactive</literal> parameter get removed from the cache |
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250 regardless of their freshness. |
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251 By default, <literal>inactive</literal> is set to 10 minutes. |
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252 </para> |
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253 |
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254 <para> |
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255 The special process “cache manager” monitors the maximum cache size set |
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256 by the <literal>max_size</literal> parameter; |
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257 when this size is exceeded it removes the least recently used data. |
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258 </para> |
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259 |
508
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260 <para> |
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261 A minute after the start the special process “cache loader” is activated |
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262 that loads information about previously cached data stored on file system |
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263 into a cache zone. |
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264 A load is done in iterations. |
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265 During one iteration no more than <literal>loader_files</literal> items |
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266 are loaded (by default, 100). |
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267 Besides, the duration of one iteration is limited by the |
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268 <literal>loader_threshold</literal> parameter (by default, 200 milliseconds). |
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269 A pause is made between iterations, configured by the |
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270 <literal>loader_sleep</literal> parameter (by default, 50 milliseconds). |
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271 </para> |
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272 |
298
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273 </directive> |
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274 |
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275 |
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276 <directive name="fastcgi_cache_use_stale"> |
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277 <syntax> |
364 | 278 <literal>error</literal> | |
279 <literal>timeout</literal> | | |
280 <literal>invalid_header</literal> | | |
281 <literal>updating</literal> | | |
282 <literal>http_500</literal> | | |
283 <literal>http_503</literal> | | |
284 <literal>http_404</literal> | | |
285 <literal>off</literal> | |
286 ...</syntax> | |
298
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287 <default>off</default> |
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288 <context>http</context> |
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289 <context>server</context> |
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290 <context>location</context> |
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291 |
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292 <para> |
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293 If an error occurs while working with the FastCGI server it is possible |
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294 to use a stale cached response. |
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295 This directives determines in which cases it is permitted. |
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296 The directive’s parameters match those of the |
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297 <link id="fastcgi_next_upstream"/> directive. |
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298 </para> |
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299 |
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300 <para> |
298
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301 Additionally, the <literal>updating</literal> parameter permits |
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302 to use a stale cached response if it is currently being updated. |
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303 This allows to minimize the number of accesses to FastCGI servers |
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304 when updating cached data. |
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305 </para> |
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306 |
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307 <para> |
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308 To minimize the number of accesses to FastCGI servers when |
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309 populating a new cache element, the <link id="fastcgi_cache_lock"/> |
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310 directive can be used. |
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311 </para> |
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312 |
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313 </directive> |
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314 |
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315 |
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316 <directive name="fastcgi_cache_valid"> |
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317 <syntax>[<value>code</value> ...] <value>time</value></syntax> |
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318 <default/> |
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319 <context>http</context> |
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320 <context>server</context> |
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321 <context>location</context> |
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322 |
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323 <para> |
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324 Sets caching time for different response codes. |
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325 For example, the following directives |
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326 <example> |
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327 fastcgi_cache_valid 200 302 10m; |
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328 fastcgi_cache_valid 404 1m; |
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329 </example> |
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330 set 10 minutes of caching for responses with codes 200 and 302, |
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331 and 1 minute for responses with code 404. |
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332 </para> |
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333 |
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334 <para> |
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335 If only caching <value>time</value> is specified |
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336 <example> |
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337 fastcgi_cache_valid 5m; |
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338 </example> |
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339 then only 200, 301, and 302 responses are cached. |
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340 </para> |
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341 |
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342 <para> |
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343 In addition, it can be specified to cache any responses using the |
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344 <literal>any</literal> parameter: |
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345 <example> |
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346 fastcgi_cache_valid 200 302 10m; |
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347 fastcgi_cache_valid 301 1h; |
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348 fastcgi_cache_valid any 1m; |
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349 </example> |
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350 </para> |
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351 |
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352 <para> |
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353 Parameters of caching can also be set directly |
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354 in the response header. |
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355 This has a higher precedence than setting of caching time using the directive. |
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356 The <header>X-Accel-Expires</header> header field sets caching time of a |
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357 response in seconds. |
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358 The value 0 disables to cache a response. |
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359 If a value starts with the prefix <literal>@</literal>, it sets an absolute |
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360 time in seconds since Epoch, up to which the response may be cached. |
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361 If header does not include the <header>X-Accel-Expires</header> field, |
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362 parameters of caching may be set in the header fields |
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363 <header>Expires</header> or <header>Cache-Control</header>. |
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364 If a header includes the <header>Set-Cookie</header> field, such a |
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365 response will not be cached. |
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366 Processing of one or more of these response header fields can be disabled |
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367 using the <link id="fastcgi_ignore_headers"/> directive. |
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368 </para> |
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369 |
298
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370 </directive> |
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371 |
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372 |
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373 <directive name="fastcgi_connect_timeout"> |
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374 <syntax><value>time</value></syntax> |
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375 <default>60s</default> |
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376 <context>http</context> |
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377 <context>server</context> |
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378 <context>location</context> |
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379 |
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380 <para> |
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381 Defines a timeout for establishing a connection with the FastCGI server. |
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382 It should be noted that this timeout cannot usually exceed 75 seconds. |
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383 </para> |
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384 |
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385 </directive> |
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386 |
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387 |
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388 <directive name="fastcgi_hide_header"> |
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389 <syntax><value>field</value></syntax> |
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390 <default/> |
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391 <context>http</context> |
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392 <context>server</context> |
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393 <context>location</context> |
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394 |
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395 <para> |
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396 By default, |
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397 nginx does not pass the header fields <header>Status</header> and |
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398 <header>X-Accel-...</header> from the response of the FastCGI |
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399 server to a client. |
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400 The <literal>fastcgi_hide_header</literal> directive sets additional fields |
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401 that will not be passed. |
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402 If, on the contrary, the passing of fields needs to be permitted, |
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403 the <link id="fastcgi_pass_header"/> directive can be used. |
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404 </para> |
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405 |
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406 </directive> |
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407 |
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408 |
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409 <directive name="fastcgi_ignore_client_abort"> |
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410 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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411 <default>off</default> |
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412 <context>http</context> |
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413 <context>server</context> |
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414 <context>location</context> |
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415 |
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416 <para> |
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417 Determines should the connection with the FastCGI server be |
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418 closed if a client closes a connection without waiting |
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419 for a response. |
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420 </para> |
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421 |
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422 </directive> |
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423 |
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424 |
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425 <directive name="fastcgi_ignore_headers"> |
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426 <syntax><value>field</value> ...</syntax> |
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427 <default/> |
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428 <context>http</context> |
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429 <context>server</context> |
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430 <context>location</context> |
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431 |
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432 <para> |
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433 Disables processing of certain response header fields from the FastCGI server. |
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434 The following fields can be ignored: <header>X-Accel-Redirect</header>, |
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435 <header>X-Accel-Expires</header>, <header>X-Accel-Limit-Rate</header> (1.1.6), |
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436 <header>X-Accel-Buffering</header> (1.1.6), |
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437 <header>X-Accel-Charset</header> (1.1.6), <header>Expires</header>, |
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438 <header>Cache-Control</header>, and <header>Set-Cookie</header> (0.8.44). |
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439 </para> |
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440 |
506
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441 <para> |
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442 If not disabled, processing of these header fields has the following effect: |
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443 <list type="bullet" compact="no"> |
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444 |
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445 <listitem> |
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446 <header>X-Accel-Expires</header>, <header>Expires</header>, |
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447 <header>Cache-Control</header>, and <header>Set-Cookie</header> |
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448 set parameters of response <link id="fastcgi_cache_valid">caching</link>; |
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449 </listitem> |
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450 |
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451 <listitem> |
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452 <header>X-Accel-Redirect</header> performs an |
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453 <link doc="ngx_http_core_module.xml" id="internal">internal |
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454 redirect</link> to the specified URI; |
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455 </listitem> |
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456 |
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457 <listitem> |
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458 <header>X-Accel-Limit-Rate</header> sets a |
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459 <link doc="ngx_http_core_module.xml" id="limit_rate">rate |
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460 limit</link> for transmission of a response to a client; |
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461 </listitem> |
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462 |
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463 <listitem> |
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464 <header>X-Accel-Buffering</header> enables or disables |
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465 buffering of a response; |
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466 </listitem> |
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467 |
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468 <listitem> |
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parents:
505
diff
changeset
|
469 <header>X-Accel-Charset</header> sets the desired |
657848837328
Documented how nginx processes proxied server's response header fields
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parents:
505
diff
changeset
|
470 <link doc="ngx_http_charset_module.xml" id="charset"/> |
657848837328
Documented how nginx processes proxied server's response header fields
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parents:
505
diff
changeset
|
471 of a response. |
657848837328
Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents:
505
diff
changeset
|
472 </listitem> |
657848837328
Documented how nginx processes proxied server's response header fields
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parents:
505
diff
changeset
|
473 |
657848837328
Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents:
505
diff
changeset
|
474 </list> |
657848837328
Documented how nginx processes proxied server's response header fields
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parents:
505
diff
changeset
|
475 </para> |
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Documented how nginx processes proxied server's response header fields
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parents:
505
diff
changeset
|
476 |
298
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
477 </directive> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
478 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
479 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
480 <directive name="fastcgi_index"> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
481 <syntax><value>name</value></syntax> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
482 <default/> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
483 <context>http</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
484 <context>server</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
485 <context>location</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
486 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
487 <para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
488 Sets a file name that will be appended after a URI that ends with |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
489 a slash, in the value of the <var>$fastcgi_script_name</var> variable. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
490 For example, with these settings |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
491 <example> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
492 fastcgi_index index.php; |
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English translation of the ngx_http_fastcgi_module module documentation.
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diff
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|
493 fastcgi_param SCRIPT_FILENAME /home/www/scripts/php$fastcgi_script_name; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
494 </example> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
495 and the “<literal>/page.php</literal>” request, |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
496 the <literal>SCRIPT_FILENAME</literal> parameter will be equal to |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
497 “<literal>/home/www/scripts/php/page.php</literal>”, |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
498 and with the “<literal>/</literal>” request it will be equal to |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
499 “<literal>/home/www/scripts/php/index.php</literal>”. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
500 </para> |
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English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
501 |
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English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
502 </directive> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
503 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
504 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
505 <directive name="fastcgi_intercept_errors"> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
506 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
507 <default>off</default> |
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English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
508 <context>http</context> |
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English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
509 <context>server</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
510 <context>location</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
511 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
512 <para> |
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English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
513 Determines whether FastCGI server responses with codes greater than or equal |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
514 to 400 should be passed to a client or be redirected to nginx for processing |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
515 using the <link doc="ngx_http_core_module.xml" id="error_page"/> directive. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
516 </para> |
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English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
517 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
518 </directive> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
519 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
520 |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
521 <directive name="fastcgi_keep_conn"> |
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Documented the following directives: "keepalive", "proxy_http_version",
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310
diff
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|
522 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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Documented the following directives: "keepalive", "proxy_http_version",
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310
diff
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523 <default>off</default> |
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Documented the following directives: "keepalive", "proxy_http_version",
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310
diff
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524 <context>http</context> |
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Documented the following directives: "keepalive", "proxy_http_version",
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310
diff
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|
525 <context>server</context> |
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Documented the following directives: "keepalive", "proxy_http_version",
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310
diff
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|
526 <context>location</context> |
498
65843513cff5
Documented that "fastcgi_keep_conn" appeared in 1.1.4.
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parents:
411
diff
changeset
|
527 <appeared-in>1.1.4</appeared-in> |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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310
diff
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|
528 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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310
diff
changeset
|
529 <para> |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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530 By default, a FastCGI server will close a connection right after |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
531 sending the response. |
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Documented the following directives: "keepalive", "proxy_http_version",
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310
diff
changeset
|
532 When set to the value <literal>on</literal>, nginx will instruct |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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310
diff
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|
533 a FastCGI server to keep connections open. |
364 | 534 This in particular is necessary for |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
535 <link doc="ngx_http_upstream_module.xml" id="keepalive"/> |
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Documented the following directives: "keepalive", "proxy_http_version",
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parents:
310
diff
changeset
|
536 connections to FastCGI servers to function. |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
537 </para> |
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Documented the following directives: "keepalive", "proxy_http_version",
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310
diff
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|
538 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
310
diff
changeset
|
539 </directive> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
310
diff
changeset
|
540 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
310
diff
changeset
|
541 |
411
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
542 <directive name="fastcgi_max_temp_file_size"> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
543 <syntax><value>size</value></syntax> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
544 <default>1024m</default> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
545 <context>http</context> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
546 <context>server</context> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
547 <context>location</context> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
548 |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
549 <para> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
550 When the whole response does not fit into memory buffers |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
551 set by the <link id="fastcgi_buffer_size"/> and <link id="fastcgi_buffers"/> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
552 directives, part of a response can be saved to a temporary file. |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
553 This directive sets the maximum <value>size</value> of a temporary file. |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
554 The size of data written to a temporary file at a time is set |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
555 by the <link id="fastcgi_temp_file_write_size"/> directive. |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
556 </para> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
557 |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
558 <para> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
559 Value of zero disables buffering of responses to temporary files. |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
560 </para> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
561 |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
562 </directive> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
563 |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
564 |
298
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
565 <directive name="fastcgi_next_upstream"> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
566 <syntax> |
364 | 567 <literal>error</literal> | |
568 <literal>timeout</literal> | | |
569 <literal>invalid_header</literal> | | |
570 <literal>http_500</literal> | | |
571 <literal>http_503</literal> | | |
572 <literal>http_404</literal> | | |
573 <literal>off</literal> | |
574 ...</syntax> | |
298
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
575 <default>error timeout</default> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
576 <context>http</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
577 <context>server</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
578 <context>location</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
579 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
580 <para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
581 Specifies in which cases a request should be passed to the next server: |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
582 <list type="tag"> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
583 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
584 <tag-name><literal>error</literal></tag-name> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
585 <tag-desc>an error occurred while establishing a connection with the |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
586 server, passing it a request, or reading the response header;</tag-desc> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
587 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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588 <tag-name><literal>timeout</literal></tag-name> |
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589 <tag-desc>a timeout has occurred while establishing a connection with the |
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590 server, passing it a request, or reading the response header;</tag-desc> |
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591 |
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592 <tag-name><literal>invalid_header</literal></tag-name> |
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593 <tag-desc>a server returned empty or invalid response;</tag-desc> |
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594 |
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595 <tag-name><literal>http_500</literal></tag-name> |
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596 <tag-desc>a server returned a response with the code 500;</tag-desc> |
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597 |
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598 <tag-name><literal>http_503</literal></tag-name> |
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599 <tag-desc>a server returned a response with the code 503;</tag-desc> |
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600 |
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601 <tag-name><literal>http_404</literal></tag-name> |
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602 <tag-desc>a server returned a response with the code 404;</tag-desc> |
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603 |
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604 <tag-name><literal>off</literal></tag-name> |
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605 <tag-desc>disables passing a request to the next server.</tag-desc> |
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606 |
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607 </list> |
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608 </para> |
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609 |
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610 <para> |
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611 It should be understood that passing a request to the next server is |
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612 only possible if a client was not sent anything yet. |
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613 That is, if an error or a timeout occurs in the middle of |
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614 transferring a response, fixing this is impossible. |
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615 </para> |
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616 |
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617 </directive> |
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618 |
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619 |
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620 <directive name="fastcgi_no_cache"> |
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621 <syntax><value>string</value> ...</syntax> |
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622 <default/> |
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623 <context>http</context> |
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624 <context>server</context> |
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625 <context>location</context> |
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626 |
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627 <para> |
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628 Defines conditions under which the response will not be saved to a cache. |
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629 If at least one value of the string parameters is not empty and is not |
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630 equal to “0” then the response will not be saved: |
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631 <example> |
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632 fastcgi_no_cache $cookie_nocache $arg_nocache$arg_comment; |
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633 fastcgi_no_cache $http_pragma $http_authorization; |
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634 </example> |
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635 Can be used along with the <link id="fastcgi_cache_bypass"/> directive. |
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636 </para> |
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637 |
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638 </directive> |
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639 |
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640 |
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641 <directive name="fastcgi_param"> |
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642 <syntax> |
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643 <value>parameter</value> <value>value</value> |
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644 [<literal>if_not_empty</literal>]</syntax> |
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645 <default/> |
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646 <context>http</context> |
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647 <context>server</context> |
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648 <context>location</context> |
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649 |
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650 <para> |
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651 Sets a <value>parameter</value> that should be passed to the FastCGI server. |
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652 A <value>value</value> can contain text, variables, and their combination. |
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653 These directives are inherited from the previous level if and |
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654 only if there are no |
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655 <literal>fastcgi_param</literal> |
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656 directives defined on the current level. |
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657 </para> |
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658 |
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659 <para> |
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660 The following example shows the minimum required settings for PHP: |
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661 <example> |
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662 fastcgi_param SCRIPT_FILENAME /home/www/scripts/php$fastcgi_script_name; |
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663 fastcgi_param QUERY_STRING $query_string; |
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664 </example> |
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665 </para> |
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666 |
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667 <para> |
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668 The <literal>SCRIPT_FILENAME</literal> parameter is used in PHP for |
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669 determining the script name, and the <literal>QUERY_STRING</literal> |
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670 parameter is used to pass request parameters. |
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671 </para> |
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672 |
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673 <para> |
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674 For scripts that process <literal>POST</literal> requests, the |
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675 following three parameters are also required: |
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676 <example> |
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677 fastcgi_param REQUEST_METHOD $request_method; |
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678 fastcgi_param CONTENT_TYPE $content_type; |
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679 fastcgi_param CONTENT_LENGTH $content_length; |
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680 </example> |
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681 </para> |
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682 |
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683 <para> |
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684 If PHP was built with the <literal>--enable-force-cgi-redirect</literal> |
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685 configuration parameter, the <literal>REDIRECT_STATUS</literal> parameter |
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686 should also be passed with the value “200”: |
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687 <example> |
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688 fastcgi_param REDIRECT_STATUS 200; |
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689 </example> |
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690 </para> |
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691 |
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692 <para> |
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693 If a directive is specified with <literal>if_not_empty</literal> (1.1.11) then |
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694 such a parameter will not be passed to the server until its value is not empty: |
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695 <example> |
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696 fastcgi_param HTTPS $https if_not_empty; |
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697 </example> |
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698 </para> |
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699 |
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700 </directive> |
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701 |
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702 |
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diff
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|
703 <directive name="fastcgi_pass"> |
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704 <syntax><value>address</value></syntax> |
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705 <default/> |
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|
706 <context>location</context> |
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|
707 <context>if in location</context> |
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|
708 |
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|
709 <para> |
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|
710 Sets an address of the FastCGI server. |
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parents:
diff
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|
711 An address can be specified as a domain name or an address, and a port, |
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parents:
diff
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|
712 for example, |
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diff
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|
713 <example> |
351
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|
714 fastcgi_pass localhost:9000; |
298
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|
715 </example> |
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|
716 or as a UNIX-domain socket path: |
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|
717 <example> |
351
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316
diff
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718 fastcgi_pass unix:/tmp/fastcgi.socket; |
298
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|
719 </example> |
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|
720 </para> |
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|
721 |
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|
722 <para> |
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parents:
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|
723 If a domain name resolves to several addresses, all of them will be |
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|
724 used in a round-robin fashion. |
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|
725 In addition, an address can be specified as a |
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|
726 <link doc="ngx_http_upstream_module.xml">server group</link>. |
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|
727 </para> |
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|
728 |
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|
729 </directive> |
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|
730 |
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English translation of the ngx_http_fastcgi_module module documentation.
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|
731 |
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English translation of the ngx_http_fastcgi_module module documentation.
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|
732 <directive name="fastcgi_pass_header"> |
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|
733 <syntax><value>field</value></syntax> |
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|
734 <default/> |
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|
735 <context>http</context> |
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|
736 <context>server</context> |
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|
737 <context>location</context> |
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|
738 |
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|
739 <para> |
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740 Permits to pass <link id="fastcgi_hide_header">otherwise disabled</link> header |
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|
741 fields from the FastCGI server to a client. |
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|
742 </para> |
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|
743 |
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|
744 </directive> |
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|
745 |
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|
746 |
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|
747 <directive name="fastcgi_read_timeout"> |
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|
748 <syntax><value>time</value></syntax> |
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|
749 <default>60s</default> |
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|
750 <context>http</context> |
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parents:
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|
751 <context>server</context> |
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|
752 <context>location</context> |
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English translation of the ngx_http_fastcgi_module module documentation.
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|
753 |
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English translation of the ngx_http_fastcgi_module module documentation.
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diff
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|
754 <para> |
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parents:
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|
755 Defines a timeout for reading a response from the FastCGI server. |
0dcf07c393b6
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parents:
diff
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|
756 A timeout is only set between two successive read operations, |
0dcf07c393b6
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parents:
diff
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|
757 not for the transmission of the whole response. |
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diff
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|
758 If a FastCGI server does not transmit anything within this time, |
0dcf07c393b6
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diff
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|
759 a connection is closed. |
0dcf07c393b6
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diff
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|
760 </para> |
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parents:
diff
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|
761 |
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English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
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|
762 </directive> |
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diff
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|
763 |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
764 |
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parents:
diff
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|
765 <directive name="fastcgi_send_timeout"> |
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parents:
diff
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|
766 <syntax><value>time</value></syntax> |
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parents:
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|
767 <default>60s</default> |
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English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
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|
768 <context>http</context> |
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English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
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diff
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|
769 <context>server</context> |
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English translation of the ngx_http_fastcgi_module module documentation.
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parents:
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|
770 <context>location</context> |
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diff
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|
771 |
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parents:
diff
changeset
|
772 <para> |
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English translation of the ngx_http_fastcgi_module module documentation.
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|
773 Sets a timeout for transmitting a request to the FastCGI server. |
0dcf07c393b6
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parents:
diff
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|
774 A timeout is only set between two successive write operations, |
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parents:
diff
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|
775 not for the transmission of the whole request. |
0dcf07c393b6
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parents:
diff
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|
776 If a FastCGI server does not receive anything within this time, |
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English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
777 a connection is closed. |
0dcf07c393b6
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diff
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|
778 </para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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|
779 |
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diff
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|
780 </directive> |
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parents:
diff
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|
781 |
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parents:
diff
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|
782 |
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diff
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|
783 <directive name="fastcgi_split_path_info"> |
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parents:
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|
784 <syntax><value>regex</value></syntax> |
0dcf07c393b6
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|
785 <default/> |
0dcf07c393b6
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diff
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|
786 <context>location</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
787 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
788 <para> |
0dcf07c393b6
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diff
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|
789 Defines a regular expression that captures a value for the |
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English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
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|
790 <var>$fastcgi_path_info</var> variable. |
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diff
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|
791 A regular expression should have two captures, the first becomes |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
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|
792 a value of the <var>$fastcgi_script_name</var> variable, the second |
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parents:
diff
changeset
|
793 becomes a value of the <var>$fastcgi_path_info</var> variable. |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
794 For example, with these settings |
0dcf07c393b6
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parents:
diff
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|
795 <example> |
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parents:
diff
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|
796 location ~ ^(.+\.php)(.*)$ { |
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parents:
diff
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|
797 fastcgi_split_path_info ^(.+\.php)(.*)$; |
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
798 fastcgi_param SCRIPT_FILENAME /path/to/php$fastcgi_script_name; |
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parents:
diff
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|
799 fastcgi_param PATH_INFO $fastcgi_path_info; |
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diff
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|
800 </example> |
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parents:
diff
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|
801 and the “<literal>/show.php/article/0001</literal>” request, |
0dcf07c393b6
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parents:
diff
changeset
|
802 the <literal>SCRIPT_FILENAME</literal> parameter will be equal to |
0dcf07c393b6
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parents:
diff
changeset
|
803 “<literal>/path/to/php/show.php</literal>”, and the |
0dcf07c393b6
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parents:
diff
changeset
|
804 <literal>PATH_INFO</literal> parameter will be equal to |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
805 “<literal>/article/0001</literal>”. |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
806 </para> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
807 |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
808 </directive> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
809 |
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English translation of the ngx_http_fastcgi_module module documentation.
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diff
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|
810 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
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diff
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|
811 <directive name="fastcgi_store"> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
812 <syntax> |
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parents:
diff
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|
813 <literal>on</literal> | |
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parents:
diff
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|
814 <literal>off</literal> | |
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|
815 <value>string</value></syntax> |
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changeset
|
816 <default>off</default> |
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parents:
diff
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|
817 <context>http</context> |
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parents:
diff
changeset
|
818 <context>server</context> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
819 <context>location</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
820 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
821 <para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
822 Enables saving of files to a disk. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
823 The <literal>on</literal> parameter saves files with paths |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
824 corresponding to the directives |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
825 <link doc="ngx_http_core_module.xml" id="alias"/> or |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
826 <link doc="ngx_http_core_module.xml" id="root"/>. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
827 The <literal>off</literal> parameter disables saving of files. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
828 In addition, the file name can be set explicitly using the |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
829 <value>string</value> with variables: |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
830 <example> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
831 fastcgi_store /data/www$original_uri; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
832 </example> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
833 </para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
834 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
835 <para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
836 The modification time of files is set according to the received |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
837 <header>Last-Modified</header> response header field. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
838 A response is first written to a temporary file, then a file is renamed. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
839 Starting from version 0.8.9 temporary files and the persistent store |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
840 can be put on different file systems but be aware that in this case |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
841 a file is copied across two file systems instead of the cheap rename operation. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
842 It is thus recommended that for any given location both saved files and a |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
843 directory holding temporary files set by the <link id="fastcgi_temp_path"/> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
844 directive are put on the same file system. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
845 </para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
846 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
847 <para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
848 This directive can be used to create local copies of static unchangeable |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
849 files, e.g.: |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
850 <example> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
851 location /images/ { |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
852 root /data/www; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
853 open_file_cache_errors off; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
854 error_page 404 = /fetch$uri; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
855 } |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
856 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
857 location /fetch/ { |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
858 internal; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
859 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
860 fastcgi_pass backend:9000; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
861 ... |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
862 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
863 fastcgi_store on; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
864 fastcgi_store_access user:rw group:rw all:r; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
865 fastcgi_temp_path /data/temp; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
866 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
867 alias /data/www/; |
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English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
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|
868 } |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
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|
869 </example> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
870 </para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
871 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
872 </directive> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
873 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
874 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
875 <directive name="fastcgi_store_access"> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
876 <syntax><value>users</value>:<value>permissions</value> ...</syntax> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
877 <default>user:rw</default> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
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|
878 <context>http</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
879 <context>server</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
880 <context>location</context> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
881 |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
882 <para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
883 Sets access permissions for newly created files and directories, e.g.: |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
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|
884 <example> |
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parents:
diff
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|
885 fastcgi_store_access user:rw group:rw all:r; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
886 </example> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
887 </para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
888 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
889 <para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
890 If any <literal>group</literal> or <literal>all</literal> access permissions |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
891 are specified then <literal>user</literal> permissions may be omitted: |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
892 <example> |
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English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
893 fastcgi_store_access group:rw all:r; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
894 </example> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
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diff
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|
895 </para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
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|
896 |
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parents:
diff
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|
897 </directive> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
898 |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
899 |
411
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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364
diff
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|
900 <directive name="fastcgi_temp_file_write_size"> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
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364
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|
901 <syntax><value>size</value></syntax> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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364
diff
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|
902 <default>8k|16k</default> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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364
diff
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|
903 <context>http</context> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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parents:
364
diff
changeset
|
904 <context>server</context> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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364
diff
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|
905 <context>location</context> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
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|
906 |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
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|
907 <para> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
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364
diff
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|
908 Limits the <value>size</value> of data written to a temporary file |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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parents:
364
diff
changeset
|
909 at a time, when buffering of responses from the FastCGI server |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
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364
diff
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|
910 to temporary files is enabled. |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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parents:
364
diff
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|
911 By default, <value>size</value> is limited by two buffers set by the |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
912 <link id="fastcgi_buffer_size"/> and <link id="fastcgi_buffers"/> directives. |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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364
diff
changeset
|
913 The maximum size of a temporary file is set by the |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
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|
914 <link id="fastcgi_max_temp_file_size"/> directive. |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
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|
915 </para> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
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|
916 |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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parents:
364
diff
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|
917 </directive> |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
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|
918 |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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364
diff
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|
919 |
298
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diff
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|
920 <directive name="fastcgi_temp_path"> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
921 <syntax> |
0dcf07c393b6
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parents:
diff
changeset
|
922 <value>path</value> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
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|
923 [<value>level1</value> |
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parents:
diff
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|
924 [<value>level2</value> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
925 [<value>level3</value>]]]</syntax> |
0dcf07c393b6
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parents:
diff
changeset
|
926 <default>fastcgi_temp</default> |
0dcf07c393b6
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parents:
diff
changeset
|
927 <context>http</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
928 <context>server</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
929 <context>location</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
930 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
931 <para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
932 Defines a directory for storing temporary files |
411
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933 with data received from FastCGI servers. |
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934 Up to three-level subdirectory hierarchy can be used underneath the specified |
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935 directory. |
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936 For example, in the following configuration |
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937 <example> |
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938 fastcgi_temp_path /spool/nginx/fastcgi_temp 1 2; |
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939 </example> |
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940 a temporary file might look like this: |
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941 <example> |
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942 /spool/nginx/fastcgi_temp/<emphasis>7</emphasis>/<emphasis>45</emphasis>/00000123<emphasis>457</emphasis> |
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943 </example> |
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944 </para> |
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945 |
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946 </directive> |
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947 |
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948 </section> |
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949 |
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950 |
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951 <section id="parameters" name="Parameters Passed to a FastCGI Server"> |
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952 |
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953 <para> |
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954 HTTP request header fields are passed to the FastCGI server as parameters. |
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955 In applications and scripts running as FastCGI servers, |
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956 these parameters are usually made available as environment variables. |
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957 For example, the <header>User-Agent</header> header field is passed as the |
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958 <literal>HTTP_USER_AGENT</literal> parameter. |
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959 In addition to HTTP request header fields it is possible to pass arbitrary |
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960 parameters using the <link id="fastcgi_param"/> directive. |
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961 </para> |
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962 |
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963 </section> |
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964 |
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965 |
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966 <section id="variables" name="Embedded Variables"> |
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967 |
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968 <para> |
364 | 969 The <literal>ngx_http_fastcgi_module</literal> module supports embedded |
970 variables that can be used to set parameters using the | |
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971 <link id="fastcgi_param"/> directive: |
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972 <list type="tag"> |
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973 |
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974 <tag-name><var>$fastcgi_script_name</var></tag-name> |
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975 <tag-desc> |
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976 request URI or, if a URI ends with a slash, request URI with an index file |
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977 name configured by the <link id="fastcgi_index"/> directive appended to it. |
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978 This variable can be used to set the |
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979 <literal>SCRIPT_FILENAME</literal> and <literal>PATH_TRANSLATED</literal> |
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980 parameters that determine the script name in PHP. |
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981 For example, for the “<literal>/info/</literal>” request with the |
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982 following directives |
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983 <example> |
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984 fastcgi_index index.php; |
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985 fastcgi_param SCRIPT_FILENAME /home/www/scripts/php$fastcgi_script_name; |
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986 </example> |
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987 the <literal>SCRIPT_FILENAME</literal> parameter will be equal to |
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988 “<literal>/home/www/scripts/php/info/index.php</literal>”. |
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989 |
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990 <para> |
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991 When using the <link id="fastcgi_split_path_info"/> directive, |
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992 the <var>$fastcgi_script_name</var> variable equals to the value of |
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993 the first capture set by the directive. |
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994 </para> |
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995 </tag-desc> |
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996 |
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997 <tag-name><var>$fastcgi_path_info</var></tag-name> |
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998 <tag-desc>the value of the second capture set by the |
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999 <link id="fastcgi_split_path_info"/> directive. |
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1000 This variable can be used to set the |
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1001 <literal>PATH_INFO</literal> parameter. |
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1002 </tag-desc> |
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1003 |
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1004 </list> |
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1005 </para> |
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1006 |
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1007 </section> |
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1008 |
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1009 </module> |