RE: Memory usage fix (patch)

> -----Original Message-----
> From: Henrik Nordstrom [mailto:hno@squid-cache.org]
> Sent: Friday, March 18, 2005 4:56 AM
> To: Steven Wilton
> Cc: 'Squid Developers'
> Subject: RE: Memory usage fix (patch)
>
> On Thu, 17 Mar 2005, Steven Wilton wrote:
>
> > The problem is that once squid starts hitting swap we start getting
> > complaints. We have also noticed that certain clients have
> an unusual usage
> > pattern that seems to cause squid to ue lots of memory,
> obviously bypassing
> > the checks in fwdCheckDefer. I'll see if I can track this down.
>
> Either your use of the defer function is not working, or you
> have clients
> triggering the race condition I indicated yesterday when the original
> client disconnects from the request.
>

You're correct, the defer function was not being used correctly. The
problem was that enabling it caused a big increase in the CPU usage of
squid. I think I've come up with an acceptable solution (CPU usage
increases with network i/o). I'll update the epoll-2_5 tree with this
change.

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