Mercurial > hg > nginx-site
comparison xml/en/docs/http/ngx_http_upstream_module.xml @ 2610:fdfe54a01ea1
Relocated note in keepalive directive.
| author | Yaroslav Zhuravlev <yar@nginx.com> |
|---|---|
| date | Fri, 16 Oct 2020 13:31:34 +0100 |
| parents | 504536999408 |
| children | 52500ccb82c1 |
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| 2609:99bd2ae8d2be | 2610:fdfe54a01ea1 |
|---|---|
| 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> | 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
| 9 | 9 |
| 10 <module name="Module ngx_http_upstream_module" | 10 <module name="Module ngx_http_upstream_module" |
| 11 link="/en/docs/http/ngx_http_upstream_module.html" | 11 link="/en/docs/http/ngx_http_upstream_module.html" |
| 12 lang="en" | 12 lang="en" |
| 13 rev="84"> | 13 rev="85"> |
| 14 | 14 |
| 15 <section id="summary"> | 15 <section id="summary"> |
| 16 | 16 |
| 17 <para> | 17 <para> |
| 18 The <literal>ngx_http_upstream_module</literal> module | 18 The <literal>ngx_http_upstream_module</literal> module |
| 541 does not limit the total number of connections to upstream servers | 541 does not limit the total number of connections to upstream servers |
| 542 that an nginx worker process can open. | 542 that an nginx worker process can open. |
| 543 The <value>connections</value> parameter should be set to a number small enough | 543 The <value>connections</value> parameter should be set to a number small enough |
| 544 to let upstream servers process new incoming connections as well. | 544 to let upstream servers process new incoming connections as well. |
| 545 </note> | 545 </note> |
| 546 | |
| 547 <note> | |
| 548 When using load balancing methods other than the default | |
| 549 round-robin method, it is necessary to activate them before | |
| 550 the <literal>keepalive</literal> directive. | |
| 551 </note> | |
| 546 </para> | 552 </para> |
| 547 | 553 |
| 548 <para> | 554 <para> |
| 549 Example configuration of memcached upstream with keepalive connections: | 555 Example configuration of memcached upstream with keepalive connections: |
| 550 <example> | 556 <example> |
| 621 } | 627 } |
| 622 </example> | 628 </example> |
| 623 </para> | 629 </para> |
| 624 | 630 |
| 625 <para> | 631 <para> |
| 626 <note> | |
| 627 When using load balancer methods other than the default | |
| 628 round-robin method, it is necessary to activate them before | |
| 629 the <literal>keepalive</literal> directive. | |
| 630 </note> | |
| 631 | |
| 632 <note> | 632 <note> |
| 633 SCGI and uwsgi protocols do not have a notion of keepalive connections. | 633 SCGI and uwsgi protocols do not have a notion of keepalive connections. |
| 634 </note> | 634 </note> |
| 635 </para> | 635 </para> |
| 636 | 636 |