8 Dec
2010
8 Dec
'10
5:11 p.m.
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.