Mercurial > hg > nginx-site
comparison xml/en/docs/http/ngx_http_proxy_module.xml @ 2069:fc3ba2e76974
Documented size of keys_zone for commercial version (trac #1286).
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Thu, 26 Oct 2017 15:50:00 +0300 |
parents | a108f1ff1690 |
children | a9a9a052b5bd |
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2068:3d9e7993c201 | 2069:fc3ba2e76974 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> | 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
9 | 9 |
10 <module name="Module ngx_http_proxy_module" | 10 <module name="Module ngx_http_proxy_module" |
11 link="/en/docs/http/ngx_http_proxy_module.html" | 11 link="/en/docs/http/ngx_http_proxy_module.html" |
12 lang="en" | 12 lang="en" |
13 rev="62"> | 13 rev="63"> |
14 | 14 |
15 <section id="summary"> | 15 <section id="summary"> |
16 | 16 |
17 <para> | 17 <para> |
18 The <literal>ngx_http_proxy_module</literal> module allows passing | 18 The <literal>ngx_http_proxy_module</literal> module allows passing |
452 <para> | 452 <para> |
453 In addition, all active keys and information about data are stored | 453 In addition, all active keys and information about data are stored |
454 in a shared memory zone, whose <value>name</value> and <value>size</value> | 454 in a shared memory zone, whose <value>name</value> and <value>size</value> |
455 are configured by the <literal>keys_zone</literal> parameter. | 455 are configured by the <literal>keys_zone</literal> parameter. |
456 One megabyte zone can store about 8 thousand keys. | 456 One megabyte zone can store about 8 thousand keys. |
457 <note> | |
458 As part of | |
459 <commercial_version>commercial subscription</commercial_version>, | |
460 the shared memory zone also stores extended | |
461 cache <link doc="ngx_http_api_module.xml" id="http_caches_">information</link>, | |
462 thus, it is required to specify a larger zone size for the same number of keys. | |
463 For example, | |
464 one megabyte zone can store about 4 thousand keys. | |
465 </note> | |
457 </para> | 466 </para> |
458 | 467 |
459 <para> | 468 <para> |
460 Cached data that are not accessed during the time specified by the | 469 Cached data that are not accessed during the time specified by the |
461 <literal>inactive</literal> parameter get removed from the cache | 470 <literal>inactive</literal> parameter get removed from the cache |