[Dovecot] load increase after upgrade to 2.0.8

Diederick van Dijk diedvdyk at van-dijk.net
Wed Dec 8 18:26:12 EET 2010

On 08-12-10 17:11, David Ford wrote:
> what's your task switch HZ compiled at? CONFIG_HZ_1000?  you would 
> probably be better at 300 or 250.  have you tried tickless?  is your 
> kernel compiled for precisely your cpu type and smp/hyper options set 
> correctly?  what about CONFIG_PREEMPT?  definitely don't use realtime, 
> server is appropriate.
> -d
> On 12/08/10 11:05, Ralf Hildebrandt wrote:
>> Timo and I found excessive numbers of context switches, factor 20-30.
>> But it's unclear why the IMAP process would do/cause this.

If I'm not mistaken uses XS4ALL FreeBSD on there imap servers.
Cor ?



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