Mercurial > hg > nginx-site

annotate xml/en/docs/http/ngx_http_upstream_conf_module.xml @ 3011:55d49eb065ac

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed example in the js_periodic directive.
author Yaroslav Zhuravlev <yar@nginx.com>
date Thu, 14 Sep 2023 16:38:00 +0100
parents 283b1e67eaa6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
293
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1 <?xml version="1.0"?>
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2
580
be54c443235a Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
3 <!--
be54c443235a Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
4 Copyright (C) Nginx, Inc.
be54c443235a Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
5 -->
be54c443235a Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
6
293
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
8
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
9 <module name="Module ngx_http_upstream_conf_module"
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
10 link="/en/docs/http/ngx_http_upstream_conf_module.html"
589
764fbac1b8b4 Added document revision.
Ruslan Ermilov <ru@nginx.com>
parents: 580
diff changeset
11 lang="en"
2230
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2096
diff changeset
12 rev="6">
293
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
13
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
14 <section id="summary">
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
15
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
16 <para>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
17 The <literal>ngx_http_upstream_conf_module</literal> module
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
18 allows configuring upstream server groups on-the-fly
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
19 via a simple HTTP interface without the need of restarting nginx.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
20 The
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
21 <link doc="ngx_http_upstream_module.xml" id="zone">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
22 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
23 <link doc="../stream/ngx_stream_upstream_module.xml" id="zone">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
24 server group must reside in the shared memory.
1458
d3c1a4e8c1fe Documented commercial status of ngx_http_upstream_conf module.
Vladimir Homutov <vl@nginx.com>
parents: 1450
diff changeset
25 <note>
2230
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2096
diff changeset
26 This module was available as part of our
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2096
diff changeset
27 <commercial_version>commercial subscription</commercial_version>
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2096
diff changeset
28 until 1.13.10.
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2096
diff changeset
29 It was superseded by the
2028
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1740
diff changeset
30 <link doc="ngx_http_api_module.xml">ngx_http_api_module</link> module
2096
8d3b9bda10db Corrected API version in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
31 in 1.13.3.
2028
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1740
diff changeset
32 </note>
293
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
33 </para>
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
34
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
35 </section>
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
36
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
37
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
38 <section id="example" name="Example Configuration">
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
39
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
40 <para>
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
41 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
42 upstream backend {
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
43 zone upstream_backend 64k;
293
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
44
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
45 ...
293
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
46 }
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
47
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
48 server {
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
49 location /upstream_conf {
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
50 <emphasis>upstream_conf</emphasis>;
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
51 allow 127.0.0.1;
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
52 deny all;
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
53 }
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
54 }
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
55 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
56 </para>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
57
293
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
58 </section>
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
59
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
60
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
61 <section id="directives" name="Directives">
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
62
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
63 <directive name="upstream_conf">
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
64 <syntax/>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
65 <default/>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
66 <context>location</context>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
67
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
68 <para>
956
488a3f738db0 Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 955
diff changeset
69 Turns on the HTTP interface of upstream configuration in the surrounding
488a3f738db0 Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 955
diff changeset
70 location.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
71 Access to this location should be
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
72 <link doc="ngx_http_core_module.xml" id="satisfy">limited</link>.
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
73 </para>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
74
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
75 <para>
956
488a3f738db0 Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 955
diff changeset
76 Configuration commands can be used to:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
77 <list type="bullet">
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
78
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
79 <listitem>view the group configuration;</listitem>
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
80
1418
23b409d1f5c7 Revised usage of "individual server" in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1410
diff changeset
81 <listitem>view, modify, or remove a server;</listitem>
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
82
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
83 <listitem>add a new server.</listitem>
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
84
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
85 </list>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
86 <note>
1418
23b409d1f5c7 Revised usage of "individual server" in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1410
diff changeset
87 Since addresses in a group are not required to be unique, specific
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
88 servers in a group are referenced by their IDs.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
89 IDs are assigned automatically and shown when adding a new server
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
90 or viewing the group configuration.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
91 </note>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
92 </para>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
93
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
94 <para>
956
488a3f738db0 Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 955
diff changeset
95 A configuration command consists of parameters passed as request arguments,
488a3f738db0 Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 955
diff changeset
96 for example:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
97 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
98 http://127.0.0.1/upstream_conf?upstream=backend
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
99 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
100 </para>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
101
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
102 <para>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
103 The following parameters are supported:
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
104
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
105 <list type="tag" compact="no">
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
106
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
107 <tag-name>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
108 <literal>stream=</literal></tag-name>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
109 <tag-desc>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
110 Selects a
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
111 <link doc="../stream/ngx_stream_upstream_module.xml">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
112 upstream server group.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
113 Without this parameter, selects an
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
114 <link doc="ngx_http_upstream_module.xml">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
115 upstream server group.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
116 </tag-desc>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
117
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
118 <tag-name>
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
119 <literal>upstream=</literal><value>name</value></tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
120 <tag-desc>
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
121 Selects a group to work with.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
122 This parameter is mandatory.
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
123 </tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
124
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
125 <tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
126 <literal>id=</literal><value>number</value></tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
127 <tag-desc>
1418
23b409d1f5c7 Revised usage of "individual server" in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1410
diff changeset
128 Selects a server for viewing, modifying, or removing.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
129 </tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
130
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
131 <tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
132 <literal>remove=</literal></tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
133 <tag-desc>
1418
23b409d1f5c7 Revised usage of "individual server" in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1410
diff changeset
134 Removes a server from the group.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
135 </tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
136
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
137 <tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
138 <literal>add=</literal></tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
139 <tag-desc>
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
140 Adds a new server to the group.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
141 </tag-desc>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
142
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
143 <tag-name>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
144 <literal>backup=</literal></tag-name>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
145 <tag-desc>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
146 Required to add a backup server.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
147 <note>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
148 Before version 1.7.2, <literal>backup=</literal>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
149 was also required to view, modify, or remove existing backup servers.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
150 </note>
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
151 </tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
152
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
153 <tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
154 <literal>server=</literal><value>address</value></tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
155 <tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
156 Same as the “<literal>address</literal>” parameter
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
157 of the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
158 <link doc="ngx_http_upstream_module.xml" id="server">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
159 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
160 <link doc="../stream/ngx_stream_upstream_module.xml" id="server">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
161 upstream server.
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
162 <para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
163 When adding a server, it is possible to specify it as a domain name.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
164 In this case, changes of the IP addresses that correspond to a domain name
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
165 will be monitored and automatically applied to the upstream
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
166 configuration without the need of restarting nginx (1.7.2).
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
167 This requires the “<literal>resolver</literal>” directive in the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
168 <link doc="ngx_http_core_module.xml" id="resolver">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
169 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
170 <link doc="../stream/ngx_stream_core_module.xml" id="resolver">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
171 block.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
172 See also the “<literal>resolve</literal>” parameter
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
173 of the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
174 <link doc="ngx_http_upstream_module.xml" id="resolve">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
175 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
176 <link doc="../stream/ngx_stream_upstream_module.xml" id="resolve">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
177 upstream server.
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
178 </para>
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
179 </tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
180
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
181 <tag-name>
1680
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
182 <literal>service=</literal><value>name</value></tag-name>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
183 <tag-desc>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
184 Same as the “<literal>service</literal>” parameter
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
185 of the
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
186 <link doc="ngx_http_upstream_module.xml" id="service">http</link>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
187 or
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
188 <link doc="../stream/ngx_stream_upstream_module.xml" id="service">stream</link>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
189 upstream server (1.9.13).
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
190 </tag-desc>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
191
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1458
diff changeset
192 <tag-name>
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
193 <literal>weight=</literal><value>number</value></tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
194 <tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
195 Same as the “<literal>weight</literal>” parameter
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
196 of the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
197 <link doc="ngx_http_upstream_module.xml" id="weight">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
198 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
199 <link doc="../stream/ngx_stream_upstream_module.xml" id="weight">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
200 upstream server.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
201 </tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
202
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
203 <tag-name>
1386
d796c95f0922 Relocated the max_conns parameter in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1385
diff changeset
204 <literal>max_conns=</literal><value>number</value></tag-name>
d796c95f0922 Relocated the max_conns parameter in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1385
diff changeset
205 <tag-desc>
d796c95f0922 Relocated the max_conns parameter in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1385
diff changeset
206 Same as the “<literal>max_conns</literal>” parameter
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
207 of the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
208 <link doc="ngx_http_upstream_module.xml" id="max_conns">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
209 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
210 <link doc="../stream/ngx_stream_upstream_module.xml" id="max_conns">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
211 upstream server.
1386
d796c95f0922 Relocated the max_conns parameter in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1385
diff changeset
212 </tag-desc>
d796c95f0922 Relocated the max_conns parameter in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1385
diff changeset
213
d796c95f0922 Relocated the max_conns parameter in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1385
diff changeset
214 <tag-name>
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
215 <literal>max_fails=</literal><value>number</value></tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
216 <tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
217 Same as the “<literal>max_fails</literal>” parameter
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
218 of the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
219 <link doc="ngx_http_upstream_module.xml" id="max_fails">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
220 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
221 <link doc="../stream/ngx_stream_upstream_module.xml" id="max_fails">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
222 upstream server.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
223 </tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
224
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
225 <tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
226 <literal>fail_timeout=</literal><value>time</value></tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
227 <tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
228 Same as the “<literal>fail_timeout</literal>” parameter
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
229 of the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
230 <link doc="ngx_http_upstream_module.xml" id="fail_timeout">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
231 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
232 <link doc="../stream/ngx_stream_upstream_module.xml" id="fail_timeout">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
233 upstream server.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
234 </tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
235
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
236 <tag-name>
955
28d580f1eb63 Documented the "slow_start" parameter of the upstream "server" directive.
Vladimir Homutov <vl@nginx.com>
parents: 953
diff changeset
237 <literal>slow_start=</literal><value>time</value></tag-name>
28d580f1eb63 Documented the "slow_start" parameter of the upstream "server" directive.
Vladimir Homutov <vl@nginx.com>
parents: 953
diff changeset
238 <tag-desc>
28d580f1eb63 Documented the "slow_start" parameter of the upstream "server" directive.
Vladimir Homutov <vl@nginx.com>
parents: 953
diff changeset
239 Same as the “<literal>slow_start</literal>” parameter
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
240 of the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
241 <link doc="ngx_http_upstream_module.xml" id="slow_start">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
242 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
243 <link doc="../stream/ngx_stream_upstream_module.xml" id="slow_start">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
244 upstream server.
955
28d580f1eb63 Documented the "slow_start" parameter of the upstream "server" directive.
Vladimir Homutov <vl@nginx.com>
parents: 953
diff changeset
245 </tag-desc>
28d580f1eb63 Documented the "slow_start" parameter of the upstream "server" directive.
Vladimir Homutov <vl@nginx.com>
parents: 953
diff changeset
246
28d580f1eb63 Documented the "slow_start" parameter of the upstream "server" directive.
Vladimir Homutov <vl@nginx.com>
parents: 953
diff changeset
247 <tag-name>
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
248 <literal>down=</literal></tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
249 <tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
250 Same as the “<literal>down</literal>” parameter
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
251 of the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
252 <link doc="ngx_http_upstream_module.xml" id="down">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
253 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
254 <link doc="../stream/ngx_stream_upstream_module.xml" id="down">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
255 upstream server.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
256 </tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
257
1367
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1348
diff changeset
258 <tag-name id="drain"><literal>drain=</literal></tag-name>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1348
diff changeset
259 <tag-desc>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
260 Puts the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
261 <link doc="ngx_http_upstream_module.xml">http</link>
1740
32bbadb5b64c Corrected language of the "drain" parameter in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1680
diff changeset
262 upstream server into the “draining” mode (1.7.5).
32bbadb5b64c Corrected language of the "drain" parameter in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1680
diff changeset
263 In this mode, only requests
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
264 <link doc="ngx_http_upstream_module.xml" id="sticky">bound</link> to the server
1367
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1348
diff changeset
265 will be proxied to it.
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1348
diff changeset
266 </tag-desc>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1348
diff changeset
267
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
268 <tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
269 <literal>up=</literal></tag-name>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
270 <tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
271 The opposite of the “<literal>down</literal>” parameter
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
272 of the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
273 <link doc="ngx_http_upstream_module.xml" id="down">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
274 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
275 <link doc="../stream/ngx_stream_upstream_module.xml" id="down">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
276 upstream server.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
277 </tag-desc>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
278
1026
3056640d5022 Upstream: documented new "sticky" features.
Ruslan Ermilov <ru@nginx.com>
parents: 1011
diff changeset
279 <tag-name>
3056640d5022 Upstream: documented new "sticky" features.
Ruslan Ermilov <ru@nginx.com>
parents: 1011
diff changeset
280 <literal>route=</literal><value>string</value></tag-name>
3056640d5022 Upstream: documented new "sticky" features.
Ruslan Ermilov <ru@nginx.com>
parents: 1011
diff changeset
281 <tag-desc>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
282 Same as the “<literal>route</literal>” parameter of the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
283 <link doc="ngx_http_upstream_module.xml" id="route">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
284 upstream server.
1026
3056640d5022 Upstream: documented new "sticky" features.
Ruslan Ermilov <ru@nginx.com>
parents: 1011
diff changeset
285 </tag-desc>
3056640d5022 Upstream: documented new "sticky" features.
Ruslan Ermilov <ru@nginx.com>
parents: 1011
diff changeset
286
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
287 </list>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
288
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
289 The first three parameters select an object.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
290 This can be either the whole http or stream upstream server group,
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
291 or a specific server.
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
292 Without other parameters, the configuration of the selected
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
293 group or server is shown.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
294 </para>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
295
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
296 <para>
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
297 For example, to view the configuration of the whole group, send:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
298 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
299 http://127.0.0.1/upstream_conf?upstream=backend
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
300 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
301
1418
23b409d1f5c7 Revised usage of "individual server" in upstream_conf.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1410
diff changeset
302 To view the configuration of a specific server, also specify its ID:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
303 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
304 http://127.0.0.1/upstream_conf?upstream=backend&amp;id=42
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
305 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
306 </para>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
307
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
308 <para>
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
309 To add a new server,
956
488a3f738db0 Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 955
diff changeset
310 specify its address in the “<literal>server=</literal>” parameter.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
311 Without other parameters specified, a server will be added with other
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
312 parameters set to their default values (see the
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
313 <link doc="ngx_http_upstream_module.xml" id="server">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
314 or
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
315 <link doc="../stream/ngx_stream_upstream_module.xml" id="server">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
316 “<literal>server</literal>” directive).
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
317 </para>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
318
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
319 <para>
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
320 For example, to add a new primary server, send:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
321 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
322 http://127.0.0.1/upstream_conf?add=&amp;upstream=backend&amp;server=127.0.0.1:8080
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
323 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
324
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
325 To add a new backup server, send:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
326 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
327 http://127.0.0.1/upstream_conf?add=&amp;upstream=backend&amp;backup=&amp;server=127.0.0.1:8080
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
328 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
329
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
330 To add a new primary server,
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
331 set its parameters to non-default values
968
fa19bacf6e1e Unified upstream server up/down state terminology.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
332 and mark it as “<literal>down</literal>”, send:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
333 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
334 http://127.0.0.1/upstream_conf?add=&amp;upstream=backend&amp;server=127.0.0.1:8080&amp;weight=2&amp;down=
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
335 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
336
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
337 To remove a server, specify its ID:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
338 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
339 http://127.0.0.1/upstream_conf?remove=&amp;upstream=backend&amp;id=42
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
340 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
341
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
342 To mark an existing server as “<literal>down</literal>”, send:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
343 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
344 http://127.0.0.1/upstream_conf?upstream=backend&amp;id=42&amp;down=
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
345 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
346
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
347 To modify the address of an existing server, send:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
348 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
349 http://127.0.0.1/upstream_conf?upstream=backend&amp;id=42&amp;server=192.0.2.3:8123
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
350 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
351
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1241
diff changeset
352 To modify other parameters of an existing server, send:
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
353 <example>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
354 http://127.0.0.1/upstream_conf?upstream=backend&amp;id=42&amp;max_fails=3&amp;weight=4
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
355 </example>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
356
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
357 The above examples are for an
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
358 <link doc="ngx_http_upstream_module.xml">http</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
359 upstream server group.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
360 Similar examples for a
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
361 <link doc="../stream/ngx_stream_upstream_module.xml">stream</link>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1424
diff changeset
362 upstream server group require the “<literal>stream=</literal>” parameter.
953
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
363 </para>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
364
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
365 </directive>
aded7086e84f Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents: 942
diff changeset
366
293
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
367 </section>
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
368
34246e706f48 English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
369 </module>