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comparison xml/en/docs/http/ngx_http_proxy_module.xml @ 1796:1d576e8d6ead

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Clarified the "levels" parameter of proxy_cache_path and friends.
author Yaroslav Zhuravlev <yar@nginx.com>
date Mon, 04 Jul 2016 14:29:09 +0300
parents be371be7a5c8
children 621d0c682113
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1795:d4a584797f51 1796:1d576e8d6ead
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="48"> 13 rev="49">
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
372 Sets the path and other parameters of a cache. 372 Sets the path and other parameters of a cache.
373 Cache data are stored in files. 373 Cache data are stored in files.
374 The file name in a cache is a result of 374 The file name in a cache is a result of
375 applying the MD5 function to the 375 applying the MD5 function to the
376 <link id="proxy_cache_key">cache key</link>. 376 <link id="proxy_cache_key">cache key</link>.
377 The <literal>levels</literal> parameter defines hierarchy levels of a cache. 377 The <literal>levels</literal> parameter defines hierarchy levels of a cache:
378 from 1 to 3, each level accepts values 1 or 2.
378 For example, in the following configuration 379 For example, in the following configuration
379 <example> 380 <example>
380 proxy_cache_path /data/nginx/cache levels=1:2 keys_zone=one:10m; 381 proxy_cache_path /data/nginx/cache levels=1:2 keys_zone=one:10m;
381 </example> 382 </example>
382 file names in a cache will look like this: 383 file names in a cache will look like this: