Mercurial > hg > nginx-site
annotate xml/en/docs/stream/ngx_stream_upstream_module.xml @ 2168:3535437f97d2
Deprecated the "ssl" directive for http and mail.
author | Yaroslav Zhuravlev <yar@nginx.com> |
---|---|
date | Fri, 25 May 2018 16:21:20 +0300 |
parents | 27c53e1cb4b6 |
children | 2c56f91c304a |
rev | line source |
---|---|
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1 <?xml version="1.0"?> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
2 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
3 <!-- |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
4 Copyright (C) Nginx, Inc. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
5 --> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
6 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
8 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
9 <module name="Module ngx_stream_upstream_module" |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
10 link="/en/docs/stream/ngx_stream_upstream_module.html" |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
11 lang="en" |
2097
27c53e1cb4b6
Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
12 rev="27"> |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
13 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
14 <section id="summary"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
15 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
16 <para> |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
17 The <literal>ngx_stream_upstream_module</literal> module (1.9.0) |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
18 is used to define groups of servers that can be referenced |
1405
4569719f4247
Split stream module into stream_core and stream_proxy modules.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1367
diff
changeset
|
19 by the <link doc="ngx_stream_proxy_module.xml" id="proxy_pass"/> |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
20 directive. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
21 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
22 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
23 </section> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
24 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
25 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
26 <section id="example" name="Example Configuration"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
27 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
28 <para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
29 <example> |
1406
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
30 upstream <emphasis>backend</emphasis> { |
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
31 hash $remote_addr consistent; |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
32 |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
33 server backend1.example.com:12345 weight=5; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
34 server backend2.example.com:12345; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
35 server unix:/tmp/backend3; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
36 |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
37 server backup1.example.com:12345 backup; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
38 server backup2.example.com:12345 backup; |
1406
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
39 } |
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
40 |
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
41 server { |
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
42 listen 12346; |
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
43 proxy_pass <emphasis>backend</emphasis>; |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
44 } |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
45 </example> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
46 </para> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
47 |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
48 <para> |
1947
6b6d0e844bf7
Moved "health_check" and "match" to ngx_stream_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
49 Dynamically configurable group with |
6b6d0e844bf7
Moved "health_check" and "match" to ngx_stream_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
50 periodic <link doc="ngx_stream_upstream_hc_module.xml">health checks</link> is |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
51 available as part of our |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
52 <commercial_version>commercial subscription</commercial_version>: |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
53 <example> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
54 resolver 10.0.0.1; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
55 |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
56 upstream <emphasis>dynamic</emphasis> { |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
57 zone upstream_dynamic 64k; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
58 |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
59 server backend1.example.com:12345 weight=5; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
60 server backend2.example.com:12345 fail_timeout=5s slow_start=30s; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
61 server 192.0.2.1:12345 max_fails=3; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
62 server backend3.example.com:12345 resolve; |
1680
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
63 server backend4.example.com service=http resolve; |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
64 |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
65 server backup1.example.com:12345 backup; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
66 server backup2.example.com:12345 backup; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
67 } |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
68 |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
69 server { |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
70 listen 12346; |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
71 proxy_pass <emphasis>dynamic</emphasis>; |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
72 health_check; |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
73 } |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
74 </example> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
75 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
76 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
77 </section> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
78 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
79 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
80 <section id="directives" name="Directives"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
81 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
82 <directive name="upstream"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
83 <syntax block="yes"><value>name</value></syntax> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
84 <default/> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
85 <context>stream</context> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
86 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
87 <para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
88 Defines a group of servers. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
89 Servers can listen on different ports. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
90 In addition, servers listening on TCP and UNIX-domain sockets |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
91 can be mixed. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
92 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
93 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
94 <para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
95 Example: |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
96 <example> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
97 upstream backend { |
1406
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
98 server backend1.example.com:12345 weight=5; |
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
99 server 127.0.0.1:12345 max_fails=3 fail_timeout=30s; |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
100 server unix:/tmp/backend2; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
101 server backend3.example.com:12345 resolve; |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
102 |
1406
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
103 server backup1.example.com:12345 backup; |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
104 } |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
105 </example> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
106 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
107 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
108 <para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
109 By default, connections are distributed between the servers using a |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
110 weighted round-robin balancing method. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
111 In the above example, each 7 connections will be distributed as follows: |
1406
ea73cd9d4cdb
Changed stream_upstream examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1405
diff
changeset
|
112 5 connections go to <literal>backend1.example.com:12345</literal> |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
113 and one connection to each of the second and third servers. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
114 If an error occurs during communication with a server, the connection will |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
115 be passed to the next server, and so on until all of the functioning |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
116 servers will be tried. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
117 If communication with all servers fails, the connection will be closed. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
118 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
119 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
120 </directive> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
121 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
122 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
123 <directive name="server"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
124 <syntax><value>address</value> [<value>parameters</value>]</syntax> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
125 <default/> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
126 <context>upstream</context> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
127 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
128 <para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
129 Defines the <value>address</value> and other <value>parameters</value> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
130 of a server. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
131 The address can be specified as a domain name or IP address |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
132 with an obligatory port, or as a UNIX-domain socket path |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
133 specified after the “<literal>unix:</literal>” prefix. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
134 A domain name that resolves to several IP addresses defines |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
135 multiple servers at once. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
136 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
137 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
138 <para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
139 The following parameters can be defined: |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
140 <list type="tag"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
141 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
142 <tag-name id="weight"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
143 <literal>weight</literal>=<value>number</value> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
144 </tag-name> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
145 <tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
146 sets the weight of the server, by default, 1. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
147 </tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
148 |
1800
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
149 <tag-name id="max_conns"> |
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
150 <literal>max_conns</literal>=<value>number</value> |
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
151 </tag-name> |
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
152 <tag-desc> |
1801
592f9fa804f6
Added info about shared memory to max_conns.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1800
diff
changeset
|
153 limits the maximum <value>number</value> of simultaneous |
592f9fa804f6
Added info about shared memory to max_conns.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1800
diff
changeset
|
154 connections to the proxied server (1.11.5). |
1800
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
155 Default value is zero, meaning there is no limit. |
1801
592f9fa804f6
Added info about shared memory to max_conns.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1800
diff
changeset
|
156 If the server group does not reside in the <link id="zone">shared memory</link>, |
592f9fa804f6
Added info about shared memory to max_conns.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1800
diff
changeset
|
157 the limitation works per each worker process. |
1800
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
158 <note> |
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
159 Prior to version 1.11.5, this parameter was available as part of our |
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
160 <commercial_version>commercial subscription</commercial_version>. |
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
161 </note> |
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
162 </tag-desc> |
9d722e4153ab
Documented the "max_conns" parameter as opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1774
diff
changeset
|
163 |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
164 <tag-name id="max_fails"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
165 <literal>max_fails</literal>=<value>number</value> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
166 </tag-name> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
167 <tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
168 sets the number of unsuccessful attempts to communicate with the server |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
169 that should happen in the duration set by the <literal>fail_timeout</literal> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
170 parameter to consider the server unavailable for a duration also set by the |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
171 <literal>fail_timeout</literal> parameter. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
172 By default, the number of unsuccessful attempts is set to 1. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
173 The zero value disables the accounting of attempts. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
174 Here, an unsuccessful attempt is an error or timeout |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
175 while establishing a connection with the server. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
176 </tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
177 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
178 <tag-name id="fail_timeout"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
179 <literal>fail_timeout</literal>=<value>time</value> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
180 </tag-name> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
181 <tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
182 sets |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
183 <list type="bullet"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
184 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
185 <listitem> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
186 the time during which the specified number of unsuccessful attempts to |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
187 communicate with the server should happen to consider the server unavailable; |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
188 </listitem> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
189 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
190 <listitem> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
191 and the period of time the server will be considered unavailable. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
192 </listitem> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
193 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
194 </list> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
195 By default, the parameter is set to 10 seconds. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
196 </tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
197 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
198 <tag-name id="backup"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
199 <literal>backup</literal> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
200 </tag-name> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
201 <tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
202 marks the server as a backup server. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
203 Connections to the backup server will be passed |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
204 when the primary servers are unavailable. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
205 </tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
206 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
207 <tag-name id="down"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
208 <literal>down</literal> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
209 </tag-name> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
210 <tag-desc> |
1410
f5dcc23b214f
Deleted info about hash and ip_hash from the down parameter.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1406
diff
changeset
|
211 marks the server as permanently unavailable. |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
212 </tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
213 |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
214 </list> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
215 </para> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
216 |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
217 <para> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
218 Additionally, |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
219 the following parameters are available as part of our |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
220 <commercial_version>commercial subscription</commercial_version>: |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
221 <list type="tag"> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
222 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
223 <tag-name id="resolve"> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
224 <literal>resolve</literal> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
225 </tag-name> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
226 <tag-desc> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
227 monitors changes of the IP addresses |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
228 that correspond to a domain name of the server, |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
229 and automatically modifies the upstream configuration |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
230 without the need of restarting nginx. |
1581
201bf8fa69e5
Added shared memory requirement to resolver in http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1495
diff
changeset
|
231 The server group must reside in the <link id="zone">shared memory</link>. |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
232 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
233 In order for this parameter to work, |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
234 the <link doc="ngx_stream_core_module.xml" id="resolver"/> directive |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
235 must be specified in the |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
236 <link doc="ngx_stream_core_module.xml" id="stream"/> block. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
237 Example: |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
238 <example> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
239 stream { |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
240 resolver 10.0.0.1; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
241 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
242 upstream u { |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
243 zone ...; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
244 ... |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
245 server example.com:12345 resolve; |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
246 } |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
247 } |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
248 </example> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
249 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
250 </tag-desc> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
251 |
1680
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
252 <tag-name id="service"> |
1700
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
253 <literal>service</literal>=<value>name</value> |
1680
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
254 </tag-name> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
255 <tag-desc> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
256 enables resolving of DNS |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
257 <link url="https://tools.ietf.org/html/rfc2782">SRV</link> |
1700
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
258 records and sets the service <value>name</value> (1.9.13). |
1680
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
259 In order for this parameter to work, it is necessary to specify |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
260 the <link id="resolve"/> parameter for the server |
1700
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
261 and specify a hostname without a port number. |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
262 <para> |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
263 If the service name does not contain a dot (“<literal>.</literal>”), then |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
264 the <link url="https://tools.ietf.org/html/rfc2782">RFC</link>-compliant name |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
265 is constructed |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
266 and the TCP protocol is added to the service prefix. |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
267 For example, to look up the |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
268 <literal>_http._tcp.backend.example.com</literal> SRV record, |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
269 it is necessary to specify the directive: |
1680
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
270 <example> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
271 server backend.example.com service=http resolve; |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
272 </example> |
1700
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
273 If the service name contains one or more dots, then the name is constructed |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
274 by joining the service prefix and the server name. |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
275 For example, to look up the <literal>_http._tcp.backend.example.com</literal> |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
276 and <literal>server1.backend.example.com</literal> SRV records, |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
277 it is necessary to specify the directives: |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
278 <example> |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
279 server backend.example.com service=_http._tcp resolve; |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
280 server example.com service=server1.backend resolve; |
1dbef8ab47c7
Updated description of service parameter in upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1680
diff
changeset
|
281 </example> |
1680
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
282 </para> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
283 |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
284 <para> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
285 Highest-priority SRV records |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
286 (records with the same lowest-number priority value) |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
287 are resolved as primary servers, |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
288 the rest of SRV records are resolved as backup servers. |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
289 If the <link id="backup"/> parameter is specified for the server, |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
290 high-priority SRV records are resolved as backup servers, |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
291 the rest of SRV records are ignored. |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
292 </para> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
293 </tag-desc> |
57c3f36b3b6a
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1654
diff
changeset
|
294 |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
295 <tag-name id="slow_start"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
296 <literal>slow_start</literal>=<value>time</value> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
297 </tag-name> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
298 <tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
299 sets the <value>time</value> during which the server will recover its weight |
1727
1a16dce51bce
Unified description of slow_start in stream with http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1700
diff
changeset
|
300 from zero to a nominal value, when unhealthy server becomes |
1947
6b6d0e844bf7
Moved "health_check" and "match" to ngx_stream_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
301 <link doc="ngx_stream_upstream_hc_module.xml" id="health_check">healthy</link>, |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
302 or when the server becomes available after a period of time |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
303 it was considered <link id="fail_timeout">unavailable</link>. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
304 Default value is zero, i.e. slow start is disabled. |
1817
0160e8784417
Documented behavior of server slow_start with ip_hash and hash.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1809
diff
changeset
|
305 <note> |
0160e8784417
Documented behavior of server slow_start with ip_hash and hash.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1809
diff
changeset
|
306 The parameter cannot be used along with the |
0160e8784417
Documented behavior of server slow_start with ip_hash and hash.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1809
diff
changeset
|
307 <link id="hash"/> load balancing method. |
0160e8784417
Documented behavior of server slow_start with ip_hash and hash.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1809
diff
changeset
|
308 </note> |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
309 </tag-desc> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
310 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
311 </list> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
312 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
313 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
314 <para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
315 <note> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
316 If there is only a single server in a group, <literal>max_fails</literal>, |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
317 <literal>fail_timeout</literal> and <literal>slow_start</literal> parameters |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
318 are ignored, and such a server will never be considered unavailable. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
319 </note> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
320 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
321 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
322 </directive> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
323 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
324 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
325 <directive name="zone"> |
1495
8d134b482cc3
Documented zone usage with many upstreams.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1462
diff
changeset
|
326 <syntax><value>name</value> [<value>size</value>]</syntax> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
327 <default/> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
328 <context>upstream</context> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
329 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
330 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
331 Defines the <value>name</value> and <value>size</value> of the shared |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
332 memory zone that keeps the group’s configuration and run-time state that are |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
333 shared between worker processes. |
1495
8d134b482cc3
Documented zone usage with many upstreams.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1462
diff
changeset
|
334 Several groups may share the same zone. |
8d134b482cc3
Documented zone usage with many upstreams.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1462
diff
changeset
|
335 In this case, it is enough to specify the zone size only once. |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
336 </para> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
337 |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
338 <para> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
339 Additionally, |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
340 as part of our <commercial_version>commercial subscription</commercial_version>, |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
341 such groups allow changing the group membership |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
342 or modifying the settings of a particular server |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
343 without the need of restarting nginx. |
2097
27c53e1cb4b6
Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
344 The configuration is accessible via the |
27c53e1cb4b6
Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
345 <link doc="../http/ngx_http_api_module.xml">API</link> module (1.13.3). |
27c53e1cb4b6
Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
346 <note> |
27c53e1cb4b6
Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
347 Prior to version 1.13.3, |
27c53e1cb4b6
Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
348 the configuration was accessible only via a special location |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
349 handled by |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
350 <link doc="../http/ngx_http_upstream_conf_module.xml" id="upstream_conf"/>. |
2097
27c53e1cb4b6
Deprecated upstream_conf in the "zone" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
351 </note> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
352 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
353 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
354 </directive> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
355 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
356 |
1636
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
357 <directive name="state"> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
358 <syntax><value>file</value></syntax> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
359 <default/> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
360 <context>upstream</context> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
361 <appeared-in>1.9.7</appeared-in> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
362 |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
363 <para> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
364 Specifies a <value>file</value> that keeps the state |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
365 of the dynamically configurable group. |
1809
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
366 </para> |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
367 |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
368 <para> |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
369 Examples: |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
370 <example> |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
371 state /var/lib/nginx/state/servers.conf; # path for Linux |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
372 state /var/db/nginx/state/servers.conf; # path for FreeBSD |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
373 </example> |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
374 </para> |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
375 |
2245f2827e2f
Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1801
diff
changeset
|
376 <para> |
1636
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
377 The state is currently limited to the list of servers with their parameters. |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
378 The file is read when parsing the configuration and is updated each time |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
379 the upstream configuration is |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
380 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf">changed</link>. |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
381 Changing the file content directly should be avoided. |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
382 The directive cannot be used |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
383 along with the <link id="server"/> directive. |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
384 </para> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
385 |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
386 <para> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
387 <note> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
388 Changes made during |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
389 <link doc="../control.xml" id="reconfiguration">configuration reload</link> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
390 or <link doc="../control.xml" id="upgrade">binary upgrade</link> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
391 can be lost. |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
392 </note> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
393 </para> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
394 |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
395 <para> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
396 <note> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
397 This directive is available as part of our |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
398 <commercial_version>commercial subscription</commercial_version>. |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
399 </note> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
400 </para> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
401 |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
402 </directive> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
403 |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1581
diff
changeset
|
404 |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
405 <directive name="hash"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
406 <syntax><value>key</value> [<literal>consistent</literal>]</syntax> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
407 <default/> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
408 <context>upstream</context> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
409 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
410 <para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
411 Specifies a load balancing method for a server group |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
412 where client-server mapping is based on the hashed <value>key</value> value. |
1744
ab56dcd73af2
Added variables to stream hash, limit_conn_zone, proxy_bind.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
413 The <value>key</value> can contain text, variables, |
ab56dcd73af2
Added variables to stream hash, limit_conn_zone, proxy_bind.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
414 and their combinations (1.11.2). |
ab56dcd73af2
Added variables to stream hash, limit_conn_zone, proxy_bind.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
415 Usage example: |
ab56dcd73af2
Added variables to stream hash, limit_conn_zone, proxy_bind.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
416 <example> |
ab56dcd73af2
Added variables to stream hash, limit_conn_zone, proxy_bind.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
417 hash $remote_addr; |
ab56dcd73af2
Added variables to stream hash, limit_conn_zone, proxy_bind.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1727
diff
changeset
|
418 </example> |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
419 Note that adding or removing a server from the group |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
420 may result in remapping most of the keys to different servers. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
421 The method is compatible with the |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
422 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached">Cache::Memcached</link> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
423 Perl library. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
424 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
425 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
426 <para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
427 If the <literal>consistent</literal> parameter is specified, |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
428 the <link url="http://www.last.fm/user/RJ/journal/2007/04/10/392555/">ketama</link> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
429 consistent hashing method will be used instead. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
430 The method ensures that only a few keys |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
431 will be remapped to different servers |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
432 when a server is added to or removed from the group. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
433 This helps to achieve a higher cache hit ratio for caching servers. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
434 The method is compatible with the |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
435 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached%3A%3AFast">Cache::Memcached::Fast</link> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
436 Perl library with the <value>ketama_points</value> parameter set to 160. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
437 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
438 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
439 </directive> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
440 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
441 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
442 <directive name="least_conn"> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
443 <syntax/> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
444 <default/> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
445 <context>upstream</context> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
446 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
447 <para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
448 Specifies that a server group should use a load balancing method |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
449 where a connection |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
450 is passed to the server with the least number of active connections, |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
451 taking into account weights of servers. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
452 If there are several such servers, they are tried in turn using a |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
453 weighted round-robin balancing method. |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
454 </para> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
455 |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
456 </directive> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
457 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
458 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
459 <directive name="least_time"> |
1925
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
460 <syntax> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
461 <literal>connect</literal> | |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
462 <literal>first_byte</literal> | |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
463 <literal>last_byte</literal> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
464 [<literal>inflight</literal>]</syntax> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
465 <default/> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
466 <context>upstream</context> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
467 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
468 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
469 Specifies that a group should use a load balancing method where a connection |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
470 is passed to the server with the least average time and |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
471 least number of active connections, taking into account weights of servers. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
472 If there are several such servers, they are tried in turn using a |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
473 weighted round-robin balancing method. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
474 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
475 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
476 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
477 If the <literal>connect</literal> parameter is specified, |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
478 time to connect to the upstream server is used. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
479 If the <literal>first_byte</literal> parameter is specified, |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
480 time to receive the first byte of data is used. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
481 If the <literal>last_byte</literal> is specified, |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
482 time to receive the last byte of data is used. |
1925
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
483 If the <literal>inflight</literal> parameter is specified (1.11.6), |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
484 incomplete connections are also taken into account. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
485 <note> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
486 Prior to version 1.11.6, |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
487 incomplete connections were taken into account by default. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
488 </note> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
489 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
490 |
1462
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
491 <para> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
492 <note> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
493 This directive is available as part of our |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
494 <commercial_version>commercial subscription</commercial_version>. |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
495 </note> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
496 </para> |
e69e4dbcc760
Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
1450
diff
changeset
|
497 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
498 </directive> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1410
diff
changeset
|
499 |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
500 </section> |
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
501 |
1772
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
502 |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
503 <section id="variables" name="Embedded Variables"> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
504 |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
505 <para> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
506 The <literal>ngx_stream_upstream_module</literal> module |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
507 supports the following embedded variables: |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
508 <list type="tag"> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
509 |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
510 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
511 <tag-desc> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
512 keeps the IP address and port, |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
513 or the path to the UNIX-domain socket of the upstream server (1.11.4). |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
514 If several servers were contacted during proxying, |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
515 their addresses are separated by commas, e.g. |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
516 “<literal>192.168.1.1:12345, 192.168.1.2:12345, unix:/tmp/sock</literal>”. |
2058
eb58ee50561d
Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1947
diff
changeset
|
517 If a server cannot be selected, |
eb58ee50561d
Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1947
diff
changeset
|
518 the variable keeps the name of the server group. |
1772
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
519 </tag-desc> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
520 |
1773
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
521 <tag-name id="var_upstream_bytes_sent"><var>$upstream_bytes_sent</var></tag-name> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
522 <tag-desc> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
523 number of bytes sent to an upstream server (1.11.4). |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
524 Values from several connections |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
525 are separated by commas like addresses in the |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
526 <link id="var_upstream_addr">$upstream_addr</link> variable. |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
527 </tag-desc> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
528 |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
529 <tag-name id="var_upstream_bytes_received"><var>$upstream_bytes_received</var></tag-name> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
530 <tag-desc> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
531 number of bytes received from an upstream server (1.11.4). |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
532 Values from several connections |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
533 are separated by commas like addresses in the |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
534 <link id="var_upstream_addr">$upstream_addr</link> variable. |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
535 </tag-desc> |
9c48a717e001
Documented $upstream_bytes_sent, $upstream_bytes_received in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1772
diff
changeset
|
536 |
1774
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
537 <tag-name id="var_upstream_connect_time"><var>$upstream_connect_time</var></tag-name> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
538 <tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
539 time to connect to the upstream server (1.11.4); |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
540 the time is kept in seconds with millisecond resolution. |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
541 Times of several connections |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
542 are separated by commas like addresses in the |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
543 <link id="var_upstream_addr">$upstream_addr</link> variable. |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
544 </tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
545 |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
546 <tag-name id="var_upstream_first_byte_time"><var>$upstream_first_byte_time</var></tag-name> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
547 <tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
548 time to receive the first byte of data (1.11.4); |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
549 the time is kept in seconds with millisecond resolution. |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
550 Times of several connections |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
551 are separated by commas like addresses in the |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
552 <link id="var_upstream_addr">$upstream_addr</link> variable. |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
553 </tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
554 |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
555 <tag-name id="var_upstream_session_time"><var>$upstream_session_time</var></tag-name> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
556 <tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
557 session duration in seconds with millisecond resolution (1.11.4). |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
558 Times of several connections |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
559 are separated by commas like addresses in the |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
560 <link id="var_upstream_addr">$upstream_addr</link> variable. |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
561 </tag-desc> |
e1e0c5b27515
Documented $upstream_connect_time, $upstream_first_byte_time, $upstream_session_time.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1773
diff
changeset
|
562 |
1772
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
563 </list> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
564 </para> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
565 |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
566 </section> |
536dc1885e24
Documented the $upstream_addr variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1744
diff
changeset
|
567 |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
568 </module> |