Mercurial > hg > nginx-site
comparison xml/en/docs/stream/ngx_stream_upstream_module.xml @ 2191:2c56f91c304a
Documented the "random" directive.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Fri, 08 Jun 2018 13:58:05 +0300 |
parents | 27c53e1cb4b6 |
children | 5ad35130cc7f |
comparison
equal
deleted
inserted
replaced
2190:dfc49994218c | 2191:2c56f91c304a |
---|---|
7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> | 7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
8 | 8 |
9 <module name="Module ngx_stream_upstream_module" | 9 <module name="Module ngx_stream_upstream_module" |
10 link="/en/docs/stream/ngx_stream_upstream_module.html" | 10 link="/en/docs/stream/ngx_stream_upstream_module.html" |
11 lang="en" | 11 lang="en" |
12 rev="27"> | 12 rev="28"> |
13 | 13 |
14 <section id="summary"> | 14 <section id="summary"> |
15 | 15 |
16 <para> | 16 <para> |
17 The <literal>ngx_stream_upstream_module</literal> module (1.9.0) | 17 The <literal>ngx_stream_upstream_module</literal> module (1.9.0) |
495 </note> | 495 </note> |
496 </para> | 496 </para> |
497 | 497 |
498 </directive> | 498 </directive> |
499 | 499 |
500 | |
501 <directive name="random"> | |
502 <syntax>[<literal>two</literal> [<value>method</value>]]</syntax> | |
503 <default/> | |
504 <context>upstream</context> | |
505 <appeared-in>1.15.1</appeared-in> | |
506 | |
507 <para> | |
508 Specifies that a group should use a load balancing method where a connection | |
509 is passed to a randomly selected server, taking into account weights | |
510 of servers. | |
511 </para> | |
512 | |
513 <para> | |
514 The optional <literal>two</literal> parameter | |
515 instructs nginx to randomly select | |
516 <link url="http://www.eecs.harvard.edu/~michaelm/postscripts/handbook2001.pdf">two</link> | |
517 servers and then choose a server | |
518 using the specified <literal>method</literal>. | |
519 The default method is <literal>least_conn</literal> | |
520 which passes a connection to a server | |
521 with the least number of active connections. | |
522 </para> | |
523 | |
524 </directive> | |
525 | |
500 </section> | 526 </section> |
501 | 527 |
502 | 528 |
503 <section id="variables" name="Embedded Variables"> | 529 <section id="variables" name="Embedded Variables"> |
504 | 530 |