Re: Where's all my memory going?

[Alan Cox]

> However, over time, (30-45 minutes), more and more memory seems to just
> disappear from the system until it looks like this, (note that swap is
> hardly ever touched):

I don't see any disappearing memory. Remember that Linux will intentionally
keep memory filled with cache pages when it is possible. The rest I can't
help with - Im not familiar enough with qmail to know what limits it places
internally or where the points it and/or the kernel might interact to
cause bottlenecks are