Re: [squid-users] Squid Performance (with Polygraph)

On Thu, Nov 08, 2007, Dave Raven wrote:
> Hi,
> I've been looking for a way to do the profiling, but I'm stuck with
> FreeBSD 4 - any ideas? Cache_mem is at 96mb, its almost definitely getting
> filled immediately - I've also tried setting it to 8 just to be sure, no
> difference...

Hm. FreeBSD-4 doesn't have pmc, but pmc is proving to be a bit useless when
profiling high-syscall-throughput applications. tsk.

> It's a bit difficult to graph -- disk IO I can see with iostat, it seems to
> stay the same even after my slow down period...

I'll assume you're running with kqueue. I'd run systat -vmstat 1 under freebsd
and watch all the key values, see what peaks.

Also, are you using diskd when you're not using COSS?

Adrian

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