Lesli st. Clair,
Sorry to hear about your pain and suffering. Although
I have only fractions of expertise of the much more
qualified people on this list and My load is only
about half of yours, are you married to iPlanet IMAP?
I use Courier and it seems to be holding up nicely,
although we only have ~75-100 users at the time.
--- "Lesli St. Clair" <[EMAIL PROTECTED]> wrote:
> Hi All,
> I've been struggling with SquirrelMail for two
> months. At about 300
> users, the CPU is maxed out and the load average on
> a dual-Ghz CPU Sun
> machine climbs into the 80s. I moved it to a larger,
> 4-processor box and
> did load testing with software. It appears that the
> 4 processor machine
> would handle the load, but I can't be 100% sure--and
> I really don't want
> to put the user community on it, and then have to
> back out again.
>
> I've tried every tuning tip, and what I still see is
> huge jumps in CPU
> usage with every login, and I can certainly push the
> load testing
> software to break even the 4-CPU machine.
>
> So, I'm here one last time hoping for some answers,
> perameters, hardware
> specs, anything before I give up.
>
> I can put it on a dual or quad CPU sun box, with
> plenty of RAM. I have
> used both PHP acceleration and the IMAP proxy. On my
> current system,
> users login about every 12 seconds, on average,
> during busy periods. We
> use iPlanet 5.2 for IMAP (which does not do server
> side sorting and
> threading).
>
> Our community has about 6000 students, who are the
> primary users of
> webmail. simultaneous users probably hit about
> 400-500.
>
> Any other iPlanet IMAP users out there? Any last
> advice before I ditch
> SM? Any other load issues out there?
> > begin:vcard
> fn:Lesli St. Clair
> n:St. Clair;Lesli
> email;internet:[EMAIL PROTECTED]
> version:2.1
> end:vcard
>
>
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