Perlbal module idea

Brad Fitzpatrick brad at
Tue Feb 7 23:54:39 UTC 2006

You want something like ESI (Edge Side Includes).  This would be CPU-heavy
in Perl.  Look into the latest betas of Squid, which I hear do ESI.

You could try in Perlbal, but I'd guess it'd be painful.

- Brad

On Tue, 7 Feb 2006, Brian Moon wrote:

> We are restructuring our network and are in need of something like
> Perlbal that does a little more.
> Much of our pages contain duplicate data.  We would like to reduce the
> cache size by not duplicating that data in cache.  So, our idea is to
> cache parts of pages and let the front end daemon assemble that data
> like SSI and send it back to the user.  I have already created a PHP
> script that does this, but I would rather have it in something like Perlbal.
> Basically, this script takes a request and checks memcached for the
> content.  If its not there, it makes a backend request to an application
> server for the content.
> Now, this is where it gets more complicated.  The script then process
> SSI type data in the content and makes additional requests from
> memcached or the backend as needed to assemble the page.  When finished,
> it sends it out.
> Is what I am talking about possible with a module in Perlbal?  Can a
> module be that involved?  I know there are modules to rewrite images
> files and this is not far from that.
> --
> Brian Moon
> --------------
> How to go broke saving money.

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