Hi Luca,
Am 10.10.2016 um 16:48 schrieb Luca Toscano:
> Hi Stefan,
>
> 2016-10-07 10:11 GMT+02:00 Stefan Priebe - Profihost AG
> <[email protected] <mailto:[email protected]>>:
>
> Am 05.10.2016 <tel:05.10.2016> um 12:50 schrieb Luca Toscano:
> > Hi Stefan,
> >
> > 2016-09-26 14:26 GMT+02:00 Stefan Priebe - Profihost AG
> > <[email protected] <mailto:[email protected]>
> <mailto:[email protected] <mailto:[email protected]>>>:
> >
> > 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 would be interested in scoreboard related metrics over time, namely if
> the number of busy/idle/graceful/etc.. worker statuses change from a
> "regular" 2.4.23 httpd. I don't expect a bit difference, but I'd really
> like to make sure that no big regression is introduced (like let's say,
> an increase over time of worker threads stuck in a certain status like G
> or more busy workers at request peak load time).
>
> Related to the above: have you noticed any improvement in
> latency/throughput metrics? For example, an improvement in total amount
> of requests handled in the same period of time o more generally in the
> responsiveness of the websites served?
It seems i cannot provide any of the requested data ;-(
This is an example output of a server running with the patch:
Current Time: Monday, 10-Oct-2016 21:57:49 CEST
Restart Time: Wednesday, 05-Oct-2016 06:30:31 CEST
Parent Server Config. Generation: 12
Parent Server MPM Generation: 11
Server uptime: 5 days 15 hours 27 minutes 17 seconds
Server load: 4.01 4.22 4.10
Total accesses: 6485371 - Total Traffic: 139.0 GB
CPU Usage: u2686.2 s1651.82 cu0 cs0 - .89% CPU load
13.3 requests/sec - 298.9 kB/second - 22.5 kB/request
10 requests currently being processed, 115 idle workers
Slot PID Stopping Connections Threads Async connections
total accepting busy idle writing keep-alive closing
0 6044 no 8 yes 2 23 0 1 4
1 15254 no 3 yes 2 23 0 0 2
2 15189 no 5 yes 3 22 0 0 2
3 15081 no 5 yes 0 25 0 0 4
4 15082 no 1 yes 3 22 0 0 0
Sum 5 0 22 10 115 0 1 12
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Stefan
