httpd-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Stefan Priebe - Profihost AG <s.pri...@profihost.ag>
Subject Re: Frequent wake-ups for mpm_event
Date Fri, 07 Oct 2016 08:11:46 GMT
Am 05.10.2016 um 12:50 schrieb Luca Toscano:
> Hi Stefan,
> 
> 2016-09-26 14:26 GMT+02:00 Stefan Priebe - Profihost AG
> <s.priebe@profihost.ag <mailto:s.priebe@profihost.ag>>:
> 
>     currently no deadlocks since V5 also no old httpd processes anymore. 
> 
> 
> if you still have patience and time, I'd like to ask you a question:
> have you noticed any performance improvement after applying the patch?
> For example (Yann correct me if I am wrong) I'd expect some reduction in
> system CPU utilization since the number of wake ups / context switches
> has been reduced dramatically. Moreover, it would be great to know some
> info about the status of the worker threads over time from the
> scoreboard, since it would be great not to introduce weird regressions
> with this patch :)

Dear Luca,

sure what can i exactly provide?

I don't see a difference in CPU usage but the machines are pretty big
(Dual Xeon E5 2667) so i'm not sure if it is noticable.

Greets,
Stefan


Mime
View raw message