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From Paul Lindner <lind...@inuus.com>
Subject Re: [RFC] Apache::CacheContent - Caching PerlFixupHandler
Date Thu, 06 Dec 2001 18:33:09 GMT
On Thu, Dec 06, 2001 at 10:04:26AM -0800, Bill Moseley wrote:
> At 08:19 AM 12/06/01 -0800, Paul Lindner wrote:
> 
> Ok, hit me over the head.  Why wouldn't you want to use a caching proxy?

Apache::CacheContent gives you more control over the caching process
and keeps the expiration headers from leaking to the browser.  Or
maybe you want to dynamically control the TTL?

sub ttl {
  ...
  if ($load_avg > 5) {
     return 60 * 5;
  } else {
     return 60;
  }
}

> BTW -- I think where the docs are cached should be configurable.  I don't
> like the idea of the document root writable by the web process.

That's the price you pay for this functionality.  Because we use
Apache's native file serving code we need a url->directory mapping
somewhere.

Of course you don't need to make the entire docroot writable, just the
directory corresponding to your script.

-- 
Paul Lindner   lindner@inuus.com    ||||| | | | |  |  |  |   |   |

    mod_perl Developer's Cookbook   http://www.modperlcookbook.org
         Human Rights Declaration   http://www.unhchr.ch/udhr/index.htm

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