Re: [SM-USERS] Massive memory usage by SquirrelMail - Is this normal?

[Lee B. <lc...@co...>]

Thanks for the suggestions. I'll talk with our mail server administrator
and post to the list what I find out.

     Lee


Jonathan Angliss said:
> Hello Lee,
> On Wednesday, April 02, 2003, Lee Brink wrote...
>
>> [If this is the wrong forum for this, please let me know]
>
>> I'm running SquirrelMail in production for a mid-sized University
>> (30,000+ students, staff, & faculty, <number> of simultaneous
>> connections) and I'm trying to get a sense of the hardware
>> requirements. What we're currently seeing is that SquirrelMail via
>> Apache chews up available memory very quickly (95% within two hours or
>> so), and then creeps towards 100% until it consumes all memory and
>> swap space. CPU utilization stays low (5-30% used) and the load rarely
>> cracks 1 during the entire time. On average we're seeing
>> 60-80 simultaneous connections at any given time.
>
> Something you may want to check is see if your IMAP server supports
> server side sorting. If it does, enable it in your config/config.php
> file... That often helps a lot. The other thing that often needs
> looking into is the IMAP server itself. Sometimes if an IMAP server is
> slow, apache/php/squirrelmail can chunk up a lot of memory processing
> the details. I've noticed this in particular with UW-IMAP because of the
> method of storing mail results in a long time to process large
> mailboxes. Also the default compile of UW-IMAP stores mail in ~/ which
> results in all files being read in that directory, even those that
> aren't mail folders.
>
> --
> Jonathan Angliss
> (jo...@sq...)


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