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Subject cvs commit: apache-1.3/htdocs/manual/mod mod_proxy.html
Date Mon, 08 Jun 1998 19:05:16 GMT
martin      98/06/08 12:05:15

  Modified:    htdocs/manual/mod mod_proxy.html
  Add some more background info about mod_proxy's behaviour;
  e.g., that CacheRoot effectively enables cacheing
  Revision  Changes    Path
  1.39      +18 -4     apache-1.3/htdocs/manual/mod/mod_proxy.html
  Index: mod_proxy.html
  RCS file: /export/home/cvs/apache-1.3/htdocs/manual/mod/mod_proxy.html,v
  retrieving revision 1.38
  retrieving revision 1.39
  diff -u -u -r1.38 -r1.39
  --- mod_proxy.html	1998/03/20 11:11:04	1.38
  +++ mod_proxy.html	1998/06/08 19:05:15	1.39
  @@ -583,8 +583,11 @@
   Apache 1.1 and later.<P>
   Sets the name of the directory to contain cache files; this must be
  -by the httpd server.
  +writable by the httpd server.<BR>
  +Setting <CODE>CacheRoot</CODE> enables proxy cacheing; without defining
  +a <CODE>CacheRoot</CODE>, proxy functionality will be available
  +if <CODE>ProxyRequests</CODE> are set to <CODE>On</CODE>, but no
  +cacheing will be available.
  @@ -621,7 +624,9 @@
   Sets the desired space usage of the cache, in KB (1024-byte units). Although
   usage may grow above this setting, the garbage collection will delete files
  -until the usage is at or below this setting.
  +until the usage is at or below this setting.<BR>
  +Depending on the expected proxy traffic volume and <CODE>CacheGcInterval</CODE>,
  +use a value which is at least 20 to 40 % lower than the available space.
  @@ -657,7 +662,16 @@
   Apache 1.1 and later.<P>
   Check the cache every &lt;time&gt; hours, and delete files if the space
  -usage is greater than that set by CacheSize.
  +usage is greater than that set by CacheSize. Note that &lt;time&gt; accepts a
  +float value, you could for example use <CODE>CacheGcInterval 1.5</CODE> to
  +check the cache every 90 minutes. (If unset, no garbage collection will
  +be performed, and the cache will grow indefinitely.)
  +Note also that the larger the <CODE>CacheGcInterval</CODE>, the more
  +extra space beyond the configured <CODE>CacheSize</CODE> will be
  +needed for the cache between garbage collections.<BR> <!--
  +Note that due to a design flaw, Apache does not automatically force a
  +garbage collection when the available space on the file system where
  +the cache resides is exhausted. -->

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