[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.
> 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.
More information about the dovecot