1<?xml version="1.0" encoding="ISO-8859-1"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><!-- 4 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 5 This file is generated from xml source: DO NOT EDIT 6 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 7 --> 8<title>htcacheclean - Clean up the disk cache - Apache HTTP Server</title> 9<link href="/style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> 10<link href="/style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> 11<link href="/style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="/style/css/prettify.css" /> 12<script src="/style/scripts/prettify.js" type="text/javascript"> 13</script> 14 15<link href="/images/favicon.ico" rel="shortcut icon" /></head> 16<body id="manual-page"><div id="page-header"> 17<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="/glossary.html">Glossary</a> | <a href="/sitemap.html">Sitemap</a></p> 18<p class="apache">Apache HTTP Server Version 2.2</p> 19<img alt="" src="/images/feather.gif" /></div> 20<div class="up"><a href="./"><img title="<-" alt="<-" src="/images/left.gif" /></a></div> 21<div id="path"> 22<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.2</a> > <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>htcacheclean - Clean up the disk cache</h1> 23<div class="toplang"> 24<p><span>Available Languages: </span><a href="/en/programs/htcacheclean.html" title="English"> en </a> | 25<a href="/ko/programs/htcacheclean.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | 26<a href="/tr/programs/htcacheclean.html" hreflang="tr" rel="alternate" title="T�rk�e"> tr </a></p> 27</div> 28 29 <p><code>htcacheclean</code> is used to keep the size of 30 <code class="module"><a href="/mod/mod_disk_cache.html">mod_disk_cache</a></code>'s storage within a certain limit. This 31 tool can run either manually or in daemon mode. When running in 32 daemon mode, it sleeps in the background and checks the cache directories 33 at regular intervals for cached content to be removed. You can stop the daemon 34 cleanly by sending it a TERM or INT signal.</p> 35</div> 36<div id="quickview"><ul id="toc"><li><img alt="" src="/images/down.gif" /> <a href="#synopsis">Synopsis</a></li> 37<li><img alt="" src="/images/down.gif" /> <a href="#options">Options</a></li> 38<li><img alt="" src="/images/down.gif" /> <a href="#exit">Exit Status</a></li> 39</ul><h3>See also</h3><ul class="seealso"><li><code class="module"><a href="/mod/mod_disk_cache.html">mod_disk_cache</a></code></li></ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div> 40<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 41<div class="section"> 42<h2><a name="synopsis" id="synopsis">Synopsis</a></h2> 43 <p><code><strong>htcacheclean</strong> 44 [ -<strong>D</strong> ] 45 [ -<strong>v</strong> ] 46 [ -<strong>t</strong> ] 47 [ -<strong>r</strong> ] 48 [ -<strong>n</strong> ] 49 -<strong>p</strong><var>path</var> 50 -<strong>l</strong><var>limit</var></code></p> 51 52 <p><code><strong>htcacheclean</strong> 53 [ -<strong>n</strong> ] 54 [ -<strong>t</strong> ] 55 [ -<strong>i</strong> ] 56 -<strong>d</strong><var>interval</var> 57 -<strong>p</strong><var>path</var> 58 -<strong>l</strong><var>limit</var></code></p> 59</div><div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 60<div class="section"> 61<h2><a name="options" id="options">Options</a></h2> 62 <dl> 63 <dt><code>-d<var>interval</var></code></dt> 64 <dd>Daemonize and repeat cache cleaning every <var>interval</var> minutes. 65 This option is mutually exclusive with the <code>-D</code>, <code>-v</code> 66 and <code>-r</code> options. To shutdown the daemon cleanly, just send it 67 a <code>SIGTERM</code> or <code>SIGINT</code>.</dd> 68 69 <dt><code>-D</code></dt> 70 <dd>Do a dry run and don't delete anything. This option is mutually 71 exclusive with the <code>-d</code> option.</dd> 72 73 <dt><code>-v</code></dt> 74 <dd>Be verbose and print statistics. This option is mutually exclusive 75 with the <code>-d</code> option.</dd> 76 77 <dt><code>-r</code></dt> 78 <dd>Clean thoroughly. This assumes that the Apache web server is 79 not running (otherwise you may get garbage in the cache). This option 80 is mutually exclusive with the <code>-d</code> option and implies 81 the <code>-t</code> option.</dd> 82 83 <dt><code>-n</code></dt> 84 <dd>Be nice. This causes slower processing in favour of other 85 processes. <code>htcacheclean</code> will sleep from time to time 86 so that (a) the disk IO will be delayed and (b) the kernel can schedule 87 other processes in the meantime.</dd> 88 89 <dt><code>-t</code></dt> 90 <dd>Delete all empty directories. By default only cache files are 91 removed, however with some configurations the large number of 92 directories created may require attention. If your configuration 93 requires a very large number of directories, to the point that 94 inode or file allocation table exhaustion may become an issue, use 95 of this option is advised.</dd> 96 97 <dt><code>-p<var>path</var></code></dt> 98 <dd>Specify <var>path</var> as the root directory of the disk cache. This 99 should be the same value as specified with the <code class="directive"><a href="/mod/mod_disk_cache.html#cacheroot">CacheRoot</a></code> directive.</dd> 100 101 <dt><code>-l<var>limit</var></code></dt> 102 <dd>Specify <var>limit</var> as the total disk cache size limit. The value 103 is expressed in bytes by default (or attaching <code>B</code> to the 104 number). Attach <code>K</code> for Kbytes or <code>M</code> for 105 MBytes.</dd> 106 107 <dt><code>-i</code></dt> 108 <dd>Be intelligent and run only when there was a modification of the disk 109 cache. This option is only possible together with the <code>-d</code> 110 option.</dd> 111 </dl> 112</div><div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 113<div class="section"> 114<h2><a name="exit" id="exit">Exit Status</a></h2> 115 <p><code>htcacheclean</code> returns a zero status ("true") if all 116 operations were successful, <code>1</code> otherwise.</p> 117</div></div> 118<div class="bottomlang"> 119<p><span>Available Languages: </span><a href="/en/programs/htcacheclean.html" title="English"> en </a> | 120<a href="/ko/programs/htcacheclean.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | 121<a href="/tr/programs/htcacheclean.html" hreflang="tr" rel="alternate" title="T�rk�e"> tr </a></p> 122</div><div class="top"><a href="#page-header"><img src="/images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div> 123<script type="text/javascript"><!--//--><![CDATA[//><!-- 124var comments_shortname = 'httpd'; 125var comments_identifier = 'http://httpd.apache.org/docs/2.2/programs/htcacheclean.html'; 126(function(w, d) { 127 if (w.location.hostname.toLowerCase() == "httpd.apache.org") { 128 d.write('<div id="comments_thread"><\/div>'); 129 var s = d.createElement('script'); 130 s.type = 'text/javascript'; 131 s.async = true; 132 s.src = 'https://comments.apache.org/show_comments.lua?site=' + comments_shortname + '&page=' + comments_identifier; 133 (d.getElementsByTagName('head')[0] || d.getElementsByTagName('body')[0]).appendChild(s); 134 } 135 else { 136 d.write('<div id="comments_thread">Comments are disabled for this page at the moment.<\/div>'); 137 } 138})(window, document); 139//--><!]]></script></div><div id="footer"> 140<p class="apache">Copyright 2013 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p> 141<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="/glossary.html">Glossary</a> | <a href="/sitemap.html">Sitemap</a></p></div><script type="text/javascript"><!--//--><![CDATA[//><!-- 142if (typeof(prettyPrint) !== 'undefined') { 143 prettyPrint(); 144} 145//--><!]]></script> 146</body></html>
