annotate xml/en/docs/http/ngx_http_log_module.xml @ 1285:4e89518a5999

Moved syslog configuration details into the separate documents.
author Ruslan Ermilov <ru@nginx.com>
date Mon, 08 Sep 2014 17:21:16 +0400
parents aab8a1667171
children 080b36ad8d76
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1 <?xml version="1.0"?>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2
580
be54c443235a Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents: 452
diff changeset
3 <!--
be54c443235a Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents: 452
diff changeset
4 Copyright (C) Igor Sysoev
be54c443235a Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents: 452
diff changeset
5 Copyright (C) Nginx, Inc.
be54c443235a Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents: 452
diff changeset
6 -->
be54c443235a Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents: 452
diff changeset
7
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
9
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
10 <module name="Module ngx_http_log_module"
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
11 link="/en/docs/http/ngx_http_log_module.html"
589
764fbac1b8b4 Added document revision.
Ruslan Ermilov <ru@nginx.com>
parents: 580
diff changeset
12 lang="en"
1285
4e89518a5999 Moved syslog configuration details into the separate documents.
Ruslan Ermilov <ru@nginx.com>
parents: 1205
diff changeset
13 rev="14">
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
14
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
15 <section id="summary">
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
16
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
17 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
18 The <literal>ngx_http_log_module</literal> module writes request logs
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
19 in the specified format.
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
20 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
21
430
570b312367bd Documented the context of request logging.
Ruslan Ermilov <ru@nginx.com>
parents: 364
diff changeset
22 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
23 Requests are logged in the context of a location where processing ends.
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
24 It may be different from the original location, if an
430
570b312367bd Documented the context of request logging.
Ruslan Ermilov <ru@nginx.com>
parents: 364
diff changeset
25 <link doc="ngx_http_core_module.xml" id="internal">internal
570b312367bd Documented the context of request logging.
Ruslan Ermilov <ru@nginx.com>
parents: 364
diff changeset
26 redirect</link> happens during request processing.
570b312367bd Documented the context of request logging.
Ruslan Ermilov <ru@nginx.com>
parents: 364
diff changeset
27 </para>
570b312367bd Documented the context of request logging.
Ruslan Ermilov <ru@nginx.com>
parents: 364
diff changeset
28
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
29 </section>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
30
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
31
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
32 <section id="example" name="Example Configuration">
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
33
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
34 <para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
35 <example>
795
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
36 log_format compression '$remote_addr - $remote_user [$time_local] '
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
37 '"$request" $status $bytes_sent '
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
38 '"$http_referer" "$http_user_agent" "$gzip_ratio"';
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
39
795
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
40 access_log /spool/logs/nginx-access.log compression buffer=32k;
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
41 </example>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
42 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
43
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
44 </section>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
45
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
46
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
47 <section id="directives" name="Directives">
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
48
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
49 <directive name="access_log">
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
50 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
51 <value>path</value>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
52 [<value>format</value>
795
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
53 [<literal>buffer</literal>=<value>size</value>
1168
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
54 [<literal>flush</literal>=<value>time</value>]]
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
55 [<literal>if</literal>=<value>condition</value>]]</syntax>
795
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
56 <syntax>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
57 <value>path</value>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
58 <value>format</value>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
59 <literal>gzip[=<value>level</value>]</literal>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
60 [<literal>buffer</literal>=<value>size</value>]
1168
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
61 [<literal>flush</literal>=<value>time</value>]
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
62 [<literal>if</literal>=<value>condition</value>]</syntax>
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 939
diff changeset
63 <syntax>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 939
diff changeset
64 <literal>syslog:</literal><literal>server</literal>=<value>address</value>[,<value>parameter</value>=<value>value</value>]
1168
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
65 [<value>format</value>
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
66 [<literal>if</literal>=<value>condition</value>]]</syntax>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
67 <syntax><literal>off</literal></syntax>
443
1b2264bdd433 Fixed default for the access_log directive.
Ruslan Ermilov <ru@nginx.com>
parents: 430
diff changeset
68 <default>logs/access.log combined</default>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
69 <context>http</context>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
70 <context>server</context>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
71 <context>location</context>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
72 <context>if in location</context>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
73 <context>limit_except</context>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
74
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
75 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
76 Sets the path, format, and configuration for a buffered log write.
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
77 Several logs can be specified on the same level.
1285
4e89518a5999 Moved syslog configuration details into the separate documents.
Ruslan Ermilov <ru@nginx.com>
parents: 1205
diff changeset
78 Logging to <link doc="../syslog.xml">syslog</link>
4e89518a5999 Moved syslog configuration details into the separate documents.
Ruslan Ermilov <ru@nginx.com>
parents: 1205
diff changeset
79 can be configured by specifying
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 939
diff changeset
80 the “<literal>syslog:</literal>” prefix in the first parameter.
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
81 The special value <literal>off</literal> cancels all
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
82 <literal>access_log</literal> directives on the current level.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
83 If the format is not specified then the predefined
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
84 “<literal>combined</literal>” format is used.
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
85 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
86
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
87 <para>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 826
diff changeset
88 If either the <literal>buffer</literal> or <literal>gzip</literal>
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 826
diff changeset
89 (1.3.10, 1.2.7)
795
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
90 parameter is used, writes to log will be buffered.
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
91 <note>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
92 The buffer size must not exceed the size of an atomic write to a disk file.
657
56fa3cab4ceb Completely dropped FreeBSD version information when talking about
Ruslan Ermilov <ru@nginx.com>
parents: 656
diff changeset
93 For FreeBSD this size is unlimited.
795
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
94 </note>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
95 </para>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
96
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
97 <para>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
98 When buffering is enabled, the data will be written to the file:
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
99 <list type="bullet">
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
100
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
101 <listitem>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
102 if the next log line does not fit into the buffer;
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
103 </listitem>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
104
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
105 <listitem>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
106 if the buffered data is older than specified by the <literal>flush</literal>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 826
diff changeset
107 parameter (1.3.10, 1.2.7);
795
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
108 </listitem>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
109
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
110 <listitem>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
111 when a worker process is <link doc="../control.xml">re-opening</link> log
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
112 files or is shutting down.
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
113 </listitem>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
114
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
115 </list>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
116 </para>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
117
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
118 <para>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
119 If the <literal>gzip</literal> parameter is used, then the buffered data will
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
120 be compressed before writing to the file.
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
121 The compression level can be set between 1 (fastest, less compression)
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
122 and 9 (slowest, best compression).
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
123 By default, the buffer size is equal to 64K bytes, and the compression level
795
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
124 is set to 1.
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
125 Since the data is compressed in atomic blocks, the log file can be decompressed
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
126 or read by “<literal>zcat</literal>” at any time.
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
127 </para>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
128
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
129 <para>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
130 Example:
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
131 <example>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
132 access_log /path/to/log.gz combined gzip flush=5m;
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
133 </example>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
134 </para>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
135
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
136 <para>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
137 <note>
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
138 For gzip compression to work, nginx must be built with the zlib library.
41363f013cc9 Documented the recently added "gzip" and "flush" parameters of the "access_log"
Valentin Bartenev <vbart@nginx.com>
parents: 779
diff changeset
139 </note>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
140 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
141
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
142 <para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
143 The file path can contain variables (0.7.6+),
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
144 but such logs have some constraints:
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
145 <list type="bullet">
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
146
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
147 <listitem>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
148 the <link doc="../ngx_core_module.xml" id="user"/>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
149 whose credentials are used by worker processes should
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
150 have permissions to create files in a directory with
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
151 such logs;
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
152 </listitem>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
153
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
154 <listitem>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
155 buffered writes do not work;
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
156 </listitem>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
157
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
158 <listitem>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
159 the file is opened and closed for each log write.
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
160 However, since the descriptors of frequently used files can be stored
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
161 in a <link id="open_log_file_cache">cache</link>, writing to the old file
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
162 can continue during the time specified by the <link id="open_log_file_cache"/>
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
163 directive’s <literal>valid</literal> parameter
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
164 </listitem>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
165
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
166 <listitem>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
167 during each log write the existence of the request’s
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
168 <link doc="ngx_http_core_module.xml" id="root">root directory</link>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
169 is checked, and if it does not exist the log is not
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
170 created.
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
171 It is thus a good idea to specify both
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
172 <link doc="ngx_http_core_module.xml" id="root"/>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
173 and <literal>access_log</literal> on the same level:
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
174 <example>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
175 server {
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
176 root /spool/vhost/data/$host;
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
177 access_log /spool/vhost/logs/$host;
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
178 ...
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
179 </example>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
180 </listitem>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
181
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
182 </list>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
183 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
184
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 939
diff changeset
185 <para>
1168
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
186 The <literal>if</literal> parameter (1.7.0) enables conditional logging.
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
187 A request will not be logged if the <value>condition</value> evaluates to “0”
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
188 or an empty string.
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
189 In the following example, the requests with response codes 2xx and 3xx
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
190 will not be logged:
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
191 <example>
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
192 map $status $loggable {
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
193 ~^[23] 0;
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
194 default 1;
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
195 }
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
196
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
197 access_log /path/to/access.log combined if=$loggable;
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
198 </example>
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
199 </para>
384bb0349a8a Documented the "if" parameter of the "access_log" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1155
diff changeset
200
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
201 </directive>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
202
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
203
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
204 <directive name="log_format">
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
205 <syntax>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
206 <value>name</value>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
207 <value>string</value> ...</syntax>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
208 <default>combined "..."</default>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
209 <context>http</context>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
210
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
211 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
212 Specifies log format.
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
213 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
214
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
215 <para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
216 The log format can contain common variables, and variables that
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
217 exist only at the time of a log write:
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
218 <list type="tag">
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
219
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
220 <tag-name id="var_bytes_sent"><var>$bytes_sent</var></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
221 <tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
222 the number of bytes sent to a client
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
223 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
224
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
225 <tag-name id="var_connection"><var>$connection</var></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
226 <tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
227 connection serial number
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
228 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
229
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
230 <tag-name id="var_connection_requests"><var>$connection_requests</var>
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
231 </tag-name>
452
e9a2a856d76b Documented the $connection_requests variable.
Ruslan Ermilov <ru@nginx.com>
parents: 451
diff changeset
232 <tag-desc>
769
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 657
diff changeset
233 the current number of requests made through a connection (1.1.18)
452
e9a2a856d76b Documented the $connection_requests variable.
Ruslan Ermilov <ru@nginx.com>
parents: 451
diff changeset
234 </tag-desc>
e9a2a856d76b Documented the $connection_requests variable.
Ruslan Ermilov <ru@nginx.com>
parents: 451
diff changeset
235
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
236 <tag-name id="var_msec"><var>$msec</var></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
237 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
238 time in seconds with a milliseconds resolution at the time of the log write
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
239 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
240
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
241 <tag-name id="var_pipe"><var>$pipe</var></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
242 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
243 “<literal>p</literal>” if request was pipelined, “<literal>.</literal>”
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
244 otherwise
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
245 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
246
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
247 <tag-name id="var_request_length"><var>$request_length</var></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
248 <tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
249 request length (including request line, header, and request body)
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
250 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
251
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
252 <tag-name id="var_request_time"><var>$request_time</var></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
253 <tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
254 request processing time in seconds with a milliseconds resolution;
451
6351ab788157 Documented $request_time more precisely.
Ruslan Ermilov <ru@nginx.com>
parents: 443
diff changeset
255 time elapsed between the first bytes were read from the client and
6351ab788157 Documented $request_time more precisely.
Ruslan Ermilov <ru@nginx.com>
parents: 443
diff changeset
256 the log write after the last bytes were sent to the client
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
257 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
258
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
259 <tag-name id="var_status"><var>$status</var></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
260 <tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
261 response status
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
262 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
263
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
264 <tag-name id="var_time_iso8601"><var>$time_iso8601</var></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
265 <tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
266 local time in the ISO 8601 standard format
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
267 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
268
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
269 <tag-name id="var_time_local"><var>$time_local</var></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
270 <tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
271 local time in the Common Log Format
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
272 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
273
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
274 </list>
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
275
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
276 <note>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
277 In the modern nginx versions variables
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
278 <link doc="ngx_http_core_module.xml" id="var_status">$status</link>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
279 (1.3.2, 1.2.2),
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
280 <link doc="ngx_http_core_module.xml" id="var_bytes_sent">$bytes_sent</link>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
281 (1.3.8, 1.2.5),
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
282 <link doc="ngx_http_core_module.xml" id="var_connection">$connection</link>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
283 (1.3.8, 1.2.5),
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
284 <link doc="ngx_http_core_module.xml" id="var_connection_requests">$connection_requests</link>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
285 (1.3.8, 1.2.5),
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
286 <link doc="ngx_http_core_module.xml" id="var_msec">$msec</link>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
287 (1.3.9, 1.2.6),
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
288 <link doc="ngx_http_core_module.xml" id="var_request_time">$request_time</link>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
289 (1.3.9, 1.2.6),
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
290 <link doc="ngx_http_core_module.xml" id="var_pipe">$pipe</link>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 826
diff changeset
291 (1.3.12, 1.2.7),
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
292 <link doc="ngx_http_core_module.xml" id="var_request_length">$request_length</link>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 826
diff changeset
293 (1.3.12, 1.2.7),
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
294 <link doc="ngx_http_core_module.xml" id="var_time_iso8601">$time_iso8601</link>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 826
diff changeset
295 (1.3.12, 1.2.7),
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
296 and
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
297 <link doc="ngx_http_core_module.xml" id="var_time_local">$time_local</link>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 826
diff changeset
298 (1.3.12, 1.2.7)
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
299 are also available as common variables.
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
300 </note>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 795
diff changeset
301
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
302 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
303
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
304 <para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
305 Header lines sent to a client have the prefix
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
306 “<literal>sent_http_</literal>”, for example,
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
307 <var>$sent_http_content_range</var>.
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
308 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
309
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
310 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
311 The configuration always includes the predefined
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
312 “<literal>combined</literal>” format:
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
313 <example>
351
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
314 log_format combined '$remote_addr - $remote_user [$time_local] '
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
315 '"$request" $status $body_bytes_sent '
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
316 '"$http_referer" "$http_user_agent"';
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
317 </example>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
318 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
319
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
320 </directive>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
321
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
322
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
323 <directive name="open_log_file_cache">
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
324
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
325 <syntax>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
326 <literal>max</literal>=<value>N</value>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
327 [<literal>inactive</literal>=<value>time</value>]
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
328 [<literal>min_uses</literal>=<value>N</value>]
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
329 [<literal>valid</literal>=<value>time</value>]</syntax>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
330 <syntax><literal>off</literal></syntax>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
331 <default>off</default>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
332 <context>http</context>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
333 <context>server</context>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
334 <context>location</context>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
335
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
336 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
337 Defines a cache that stores the file descriptors of frequently used logs
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
338 whose names contain variables.
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
339 The directive has the following parameters:
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
340 <list type="tag">
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
341
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
342 <tag-name><literal>max</literal></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
343 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
344 sets the maximum number of descriptors in a cache;
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
345 if the cache becomes full the least recently used (LRU)
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
346 descriptors are closed
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
347 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
348
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
349 <tag-name><literal>inactive</literal></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
350 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
351 sets the time after which the cached descriptor is closed
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
352 if there were no access during this time;
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
353 by default, 10 seconds
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
354 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
355
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
356 <tag-name><literal>min_uses</literal></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
357 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
358 sets the minimum number of file uses during the time
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
359 defined by the <literal>inactive</literal> parameter
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
360 to let the descriptor stay open in a cache;
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
361 by default, 1
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
362 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
363
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
364 <tag-name><literal>valid</literal></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
365 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
366 sets the time after which it should be checked that the file
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
367 still exists with the same name; by default, 60 seconds
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
368 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
369
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
370 <tag-name><literal>off</literal></tag-name>
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
371 <tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
372 disables caching
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
373 </tag-desc>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
374
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
375 </list>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
376 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
377
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
378 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 956
diff changeset
379 Usage example:
224
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
380 <example>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
381 open_log_file_cache max=1000 inactive=20s valid=1m min_uses=2;
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
382 </example>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
383 </para>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
384
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
385 </directive>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
386
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
387 </section>
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
388
7f36795d99a2 Updated ngx_http_log_module documentation including translation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
389 </module>