mod_disk_cache.html.en

最新apache的源代码

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<div class="directive-section"><h2><a name="CacheGcInterval" id="CacheGcInterval">CacheGcInterval</a> <a name="cachegcinterval" id="cachegcinterval">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The interval between garbage collection attempts.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CacheGcInterval <var>hours</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_disk_cache</td></tr>
</table>
    <p>The <code class="directive">CacheGcInterval</code> directive specifies the
    number of hours to wait between attempts to free up disk space.</p>
    <p>More detail will be added here, when the function is implemented.</p>

    <div class="example"><p><code>
      CacheGcInterval  24<br />
    </code></p></div>

    <div class="warning">
      The <code class="directive">CacheGcInterval</code> directive is currently
      <em>not</em> implemented.
    </div>

</div>
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<div class="directive-section"><h2><a name="CacheGcMemUsage" id="CacheGcMemUsage">CacheGcMemUsage</a> <a name="cachegcmemusage" id="cachegcmemusage">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The maximum kilobytes of memory used for garbage
collection</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CacheGcMemUsage <var>KBytes</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CacheGcMemUsage ?</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_disk_cache</td></tr>
</table>
    <p>More detail will be added here, when the function is implemented.</p>

    <div class="example"><p><code>
      CacheGcMemUsage 16
    </code></p></div>

    <div class="warning">
      The <code class="directive">CacheGcMemUsage</code> directive is currently
      <em>not</em> implemented.
    </div>

</div>
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<div class="directive-section"><h2><a name="CacheGcUnused" id="CacheGcUnused">CacheGcUnused</a> <a name="cachegcunused" id="cachegcunused">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The time to retain unreferenced cached files that match a
URL.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CacheGcUnused <var>hours</var> <var>url-string</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CacheGcUnused ?</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_disk_cache</td></tr>
</table>
    <p>More detail will be added here, when the function is implemented.</p>

    <div class="example"><p><code>
      CacheGcUnused 12 /local_images
    </code></p></div>

    <div class="warning">
      The <code class="directive">CacheGcUnused</code> directive is currently
      <em>not</em> implemented.
    </div>

</div>
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<div class="directive-section"><h2><a name="CacheMaxFileSize" id="CacheMaxFileSize">CacheMaxFileSize</a> <a name="cachemaxfilesize" id="cachemaxfilesize">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The maximum size (in bytes) of a document to be placed in the
cache</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CacheMaxFileSize <var>bytes</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CacheMaxFileSize 1000000</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_disk_cache</td></tr>
</table>
    <p>The <code class="directive">CacheMaxFileSize</code> directive sets the
    maximum size, in bytes, for a document to be considered for storage in
    the cache.</p>

    <div class="example"><p><code>
      CacheMaxFileSize 64000
    </code></p></div>

</div>
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<div class="directive-section"><h2><a name="CacheMinFileSize" id="CacheMinFileSize">CacheMinFileSize</a> <a name="cacheminfilesize" id="cacheminfilesize">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The minimum size (in bytes) of a document to be placed in the
cache</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CacheMinFileSize <var>bytes</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CacheMinFileSize 1</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_disk_cache</td></tr>
</table>
    <p>The <code class="directive">CacheMinFileSize</code> directive sets the
    minimum size, in bytes, for a document to be considered for storage
    in the cache.</p>

    <div class="example"><p><code>
      CacheMinFileSize 64
    </code></p></div>

</div>
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<div class="directive-section"><h2><a name="CacheRoot" id="CacheRoot">CacheRoot</a> <a name="cacheroot" id="cacheroot">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The directory root under which cache files are
stored</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CacheRoot <var>directory</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_disk_cache</td></tr>
</table>
    <p>The <code class="directive">CacheRoot</code> directive defines the name of
    the directory on the disk to contain cache files. If the <code class="module"><a href="../mod/mod_disk_cache.html">mod_disk_cache</a></code> module has been loaded or compiled in to the
    Apache server, this directive <em>must</em> be defined. Failing to
    provide a value for <code class="directive">CacheRoot</code> will result in
    a configuration file processing error. The <code class="directive"><a href="#cachedirlevels">CacheDirLevels</a></code> and <code class="directive"><a href="#cachedirlength">CacheDirLength</a></code> directives define
    the structure of the directories under the specified root directory.</p>

    <div class="example"><p><code>
      CacheRoot c:/cacheroot
    </code></p></div>

</div>
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<div class="directive-section"><h2><a name="CacheSize" id="CacheSize">CacheSize</a> <a name="cachesize" id="cachesize">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The maximum amount of disk space that will be used by the
cache in KBytes</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CacheSize <var>KBytes</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CacheSize 1000000</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_disk_cache</td></tr>
</table>
    <p>The <code class="directive">CacheSize</code> directive sets the desired
    disk space usage of the cache, in KBytes (1024-byte units). This
    directive does not put a  hard limit on the size of the cache. The
    garbage collector will delete files until the usage is at or below the
    settings. Always use a value that is lower than the available disk
    space.</p>

    <div class="example"><p><code>
      CacheSize  5000000
    </code></p></div>

</div>
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<div class="directive-section"><h2><a name="CacheTimeMargin" id="CacheTimeMargin">CacheTimeMargin</a> <a name="cachetimemargin" id="cachetimemargin">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The minimum time margin to cache a document</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CacheTimeMargin <var>?</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CacheTimeMargin ?</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_disk_cache</td></tr>
</table>
    <p>More detail will be added here, when the function is implemented.</p>

    <div class="example"><p><code>
      CacheTimeMargin X
    </code></p></div>

    <div class="warning">
      The <code class="directive">CacheTimeMargin</code> directive is currently
      <em>not</em> implemented.
    </div>

</div>
</div>
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