kolab 2.2

[Alain Spineux]

On Thu, Oct 23, 2008 at 3:30 PM, Gabriele Di Giambelardini
<gabriele_d_g at yahoo.it> wrote:
> Hi to all, I have a big problem with kolab 2 performance.
> I have an server with 10 GB of RAM and about 150000 users.

150K users is a lot on a single server running all the mail stuff !
Which OS are your running ?
Are you using a 64bits OS ?
Are your 10GB of RAM all in use ?
Maybe this page could give you some hints on how it is difficult to
tune a mail server !
http://blog.fastmail.fm/2007/09/21/reiserfs-bugs-32-bit-vs-64-bit-kernels-cache-vs-inode-memory/
Are you using a RAID 5 ? RAID 10 could give you better performances !


> After I imported the user in the kolab ldap the server become very very
> slow, it's impossible use a webmail. so I installed the webmail on other
> server with eaccelerator.
> But now on my main server the kolab imapd take all the CPU and every thing
> is too slow.
> The are some settings for imap of if somebody know the why of this
> latency...
> THANKS
>
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-- 
Alain Spineux
aspineux gmail com
May the sources be with you