Mercurial > hg > nginx-site

comparison xml/en/docs/http/ngx_http_scgi_module.xml @ 1810:bc6341aaa832

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added cache manager parameters to proxy_cache path and friends.
author Yaroslav Zhuravlev <yar@nginx.com>
date Fri, 07 Oct 2016 20:35:11 +0300
parents 621d0c682113
children 35ec213c16cf
comparison
equal deleted inserted replaced
1809:2245f2827e2f 1810:bc6341aaa832
8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
9 9
10 <module name="Module ngx_http_scgi_module" 10 <module name="Module ngx_http_scgi_module"
11 link="/en/docs/http/ngx_http_scgi_module.html" 11 link="/en/docs/http/ngx_http_scgi_module.html"
12 lang="en" 12 lang="en"
13 rev="26"> 13 rev="27">
14 14
15 <section id="summary"> 15 <section id="summary">
16 16
17 <para> 17 <para>
18 The <literal>ngx_http_scgi_module</literal> module allows passing 18 The <literal>ngx_http_scgi_module</literal> module allows passing
331 [<literal>levels</literal>=<value>levels</value>] 331 [<literal>levels</literal>=<value>levels</value>]
332 [<literal>use_temp_path</literal>=<literal>on</literal>|<literal>off</literal>] 332 [<literal>use_temp_path</literal>=<literal>on</literal>|<literal>off</literal>]
333 <literal>keys_zone</literal>=<value>name</value>:<value>size</value> 333 <literal>keys_zone</literal>=<value>name</value>:<value>size</value>
334 [<literal>inactive</literal>=<value>time</value>] 334 [<literal>inactive</literal>=<value>time</value>]
335 [<literal>max_size</literal>=<value>size</value>] 335 [<literal>max_size</literal>=<value>size</value>]
336 [<literal>manager_files</literal>=<value>number</value>]
337 [<literal>manager_sleep</literal>=<value>time</value>]
338 [<literal>manager_threshold</literal>=<value>time</value>]
336 [<literal>loader_files</literal>=<value>number</value>] 339 [<literal>loader_files</literal>=<value>number</value>]
337 [<literal>loader_sleep</literal>=<value>time</value>] 340 [<literal>loader_sleep</literal>=<value>time</value>]
338 [<literal>loader_threshold</literal>=<value>time</value>] 341 [<literal>loader_threshold</literal>=<value>time</value>]
339 [<literal>purger</literal>=<literal>on</literal>|<literal>off</literal>] 342 [<literal>purger</literal>=<literal>on</literal>|<literal>off</literal>]
340 [<literal>purger_files</literal>=<value>number</value>] 343 [<literal>purger_files</literal>=<value>number</value>]
396 399
397 <para> 400 <para>
398 The special “cache manager” process monitors the maximum cache size set 401 The special “cache manager” process monitors the maximum cache size set
399 by the <literal>max_size</literal> parameter. 402 by the <literal>max_size</literal> parameter.
400 When this size is exceeded, it removes the least recently used data. 403 When this size is exceeded, it removes the least recently used data.
404 The data is removed in iterations configured by
405 <literal>manager_files</literal>,
406 <literal>manager_threshold</literal>, and
407 <literal>manager_sleep</literal> parameters (1.11.5).
408 During one iteration no more than <literal>manager_files</literal> items
409 are deleted ( by default, 100).
410 The duration of one iteration is limited by the
411 <literal>manager_threshold</literal> parameter (by default, 200 milliseconds).
412 Between iterations, a pause configured by the <literal>manager_sleep</literal>
413 parameter (by default, 50 milliseconds) is made.
401 </para> 414 </para>
402 415
403 <para> 416 <para>
404 A minute after the start the special “cache loader” process is activated. 417 A minute after the start the special “cache loader” process is activated.
405 It loads information about previously cached data stored on file system 418 It loads information about previously cached data stored on file system
406 into a cache zone. 419 into a cache zone.
407 The loading is done in iterations. 420 The loading is also done in iterations.
408 During one iteration no more than <literal>loader_files</literal> items 421 During one iteration no more than <literal>loader_files</literal> items
409 are loaded (by default, 100). 422 are loaded (by default, 100).
410 Besides, the duration of one iteration is limited by the 423 Besides, the duration of one iteration is limited by the
411 <literal>loader_threshold</literal> parameter (by default, 200 milliseconds). 424 <literal>loader_threshold</literal> parameter (by default, 200 milliseconds).
412 Between iterations, a pause configured by the <literal>loader_sleep</literal> 425 Between iterations, a pause configured by the <literal>loader_sleep</literal>