Re: Getting mod_perl to run after mod_cache with Apache 2.2.6

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Hi Nick,

Thanks for the response!

> > 1 - mod_cache [..got valid content in cache? If so, go to 4; if not,
> > go to 2] 2 - mod_proxy [fetch content from origin web]
> > 3 - mod_cache [content cacheable? If so, cache it locally]
> > 4 - *MY FILTER*
> > 5 - deflate
>
> That makes sense if and only if you want to repeat your-filter and
> DEFLATE on every request rather than cache the ready-processed contents.

Yup, due to the nature of our product, our mod_perl filter doesn't do
the same thing for each request to the same page.

> directive.  The problem with that is that mod_cache does its own thing.

Could you ellaborate on what you mean by mod_cache doing its own thing?

The problem I seem to be running into is that when my mod_perl filter
runs, mod_cache has served up the headers of the file, but the content
of the file is empty, so mod_perl has nothing to process.  Then
somewhere down the line mod_cache must serve up the rest of the file.
Do you know how this might be happening, or if it's just the way
mod_cache operates?  Is there perhaps some interaction with mod_proxy
where mod_cache only spits out the cached data at some particular
point in the filter chain...

I'm going to dig into mod_cache deeper now...

Thanks!
Adam

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