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.TH "HTCACHECLEAN" 8 "2004-11-06" "Apache HTTP Server" "htcacheclean"

.TH "HTCACHECLEAN" 8 "2004-11-10" "Apache HTTP Server" "htcacheclean"

.SH NAME

htcacheclean \- Clean up the disk cache

.SH "SUMMARY"

.PP

htcacheclean is used to keep the size of mod_disk_cache's storage within a certain limit\&. This tool can be either run manually or in daemon mode\&. When running in daemon mode, it sleeps in the background and checks the cache directories in regular intervals for stuff to be removed\&. You can stop the daemon cleanly, when sending him a TERM or INT signal\&.

htcacheclean is used to keep the size of mod_disk_cache's storage within a certain limit\&. This tool can run either manually or in daemon mode\&. When running in daemon mode, it sleeps in the background and checks the cache directories at regular intervals for cached content to be removed\&. You can stop the daemon cleanly by sending it a TERM or INT signal\&.

.SH "OPTIONS"

<em>different</em> pre-forked server processes. Here an inter-process cache

helps to avoid unneccessary session handshakes.</p>

<p>

The following two storage <em>type</em>s are currently supported:</p>

The following four storage <em>type</em>s are currently supported:</p>

<ul>

<li><code>none</code>

    <p>

    This is the default and just disables the global/inter-process Session

    Cache. There is no drawback in functionality, but a noticeable speed

    penalty can be observed.</p></li>

    <p>This disables the global/inter-process Session Cache.  This

    will incur a noticeable speed penalty and may cause problems if

    using certain browsers, particularly if client certificates are

    enabled.  This setting is not recommended.</p></li>

<li><code>dbm:/path/to/datafile</code>

    <p>

    This makes use of a DBM hashfile on the local disk to synchronize the

    local OpenSSL memory caches of the server processes. The slight increase

    in I/O on the server results in a visible request speedup for your

    clients, so this type of storage is generally recommended.</p></li>

    <p>This makes use of a DBM hashfile on the local disk to

    synchronize the local OpenSSL memory caches of the server

    processes.  This session cache may suffer reliability issues under

    high load.</p></li>

<li><code>shm:/path/to/datafile</code>[<code>(</code><em>size</em><code>)</code>]

    <p>

    This makes use of a high-performance hash table (approx. <em>size</em> bytes

    in size) inside a shared memory segment in RAM (established via

    <code>/path/to/datafile</code>) to synchronize the local OpenSSL memory

    caches of the server processes. This storage type is not available on all

    platforms.</p></li>

    <p>This makes use of a high-performance cyclic buffer

    (approx. <em>size</em> bytes in size) inside a shared memory

    segment in RAM (established via <code>/path/to/datafile</code>) to

    synchronize the local OpenSSL memory caches of the server

    processes.  This is the recommended session cache.</p></li>

<li><code>dc:UNIX:/path/to/socket</code>

    <p>This makes use of the <a href="http://www.distcache.org/">distcache</a> distributed session

    caching libraries.  The argument should specify the location of

    the server or proxy to be used using the distcache address syntax;

    for example, <code>UNIX:/path/to/socket</code> specifies a UNIX

    domain socket (typically a local dc_client proxy);

    <code>IP:server.example.com:9001</code> specifies an IP

    address.</p></li>

</ul>

<div class="example"><h3>Examples</h3><p><code>

SSLSessionCache dbm:/usr/local/apache/logs/ssl_gcache_data<br />

    <p><code>htcacheclean</code> is used to keep the size of

    <code class="module"><a href="../mod/mod_disk_cache.html">mod_disk_cache</a></code>'s storage within a certain limit. This

    tool can be either run manually or in daemon mode. When running in

    tool can run either manually or in daemon mode. When running in

    daemon mode, it sleeps in the background and checks the cache directories

    in regular intervals for stuff to be removed. You can stop the daemon

    cleanly, when sending him a TERM or INT signal.</p>

    at regular intervals for cached content to be removed. You can stop the daemon

    cleanly by sending it a TERM or INT signal.</p>

</div>

<div id="quickview"><ul id="toc"><li><img alt="" src="../images/down.gif" /> <a href="#synopsis">Synopsis</a></li>

<li><img alt="" src="../images/down.gif" /> <a href="#options">Options</a></li>

<p><span>가능한 언어: </span><a href="../en/programs/htcacheclean.html" hreflang="en" rel="alternate" title="English">&nbsp;en&nbsp;</a> |

<a href="../ko/programs/htcacheclean.html" title="Korean">&nbsp;ko&nbsp;</a></p>

</div>

<div class="outofdate">이 문서는 최신판 번역이 아닙니다.

            최근에 변경된 내용은 영어 문서를 참고하세요.</div>

    <p><code>htcacheclean</code>은 <code class="module"><a href="../mod/mod_disk_cache.html">mod_disk_cache</a></code>가

    사용하는 저장소 용량을 일정 한도로 유지한다. 이 도구는 직접

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