I see this as well in 2.0.50.  I took a look in cvs and did not see much
new with mod_cache in around 7 months.  I'm guessing this is a problem
with it and not really mod_proxy so this will likely fall on deaf ears
here on this list.  It does however have  a great impact on the
usefulness of mod proxy.  Especially when used as a reverse proxy.  --
I've had to turn it off for now and just through some more hardware up
to mitigate the problems.  I'm looking for third party patches to
mod_cache with fixes.  No luck yet. 

Good luck, I'll let you know if I find a solution.

chris rhodes

On Mon, 2004-09-13 at 09:06, Nayak, Narayana wrote:
> Hello,
> 
> We are seeing a caching issue with 2.0.48 proxy. After the expiry (stale
> content) apache proxy start sending 404 HTTP Not Found response for the
> cached contents. There is no garbage collection logic too. Is there a fix
> already available to this? If not, when would it be available? We need it
> very urgently. Your response is highly appreciated.
> 
> Thanks,
> Narayana Nayak
> 
> 

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