Looks like one of our profiles was getting flooded with too many CPS (300+). Added more profiles and it seems okay now (although won't know for sure until peak hours tomorrow). Thanks for all the tips. Cliff On Tue, 2012-06-05 at 21:35 +0300, Avi Marcus wrote:
If you're writing the channels to the DB, you can either skip it with -nosql or you can ramcache the SQL DBs. http://wiki.freeswitch.org/wiki/Performance_testing_and_configurations#FreeS...
-Avi
On Tue, Jun 5, 2012 at 9:24 PM, Cliff Wells <cliff@develix.com> wrote: On Tue, 2012-06-05 at 13:51 -0400, Brian Foster wrote: > I'm not in front of a server right now but check > in /usr/local/freeswitch/conf/autoload_confocal/switch.conf.xml and > see if there's a variable along the lines of Max DB handles. If it > just refers to odbc stuff you have your answer.
There was just such a setting. Thanks.
> > Before you go much further, what was your call volume? It could have > thrown that error because something is locking the DB, so there could > be something wrong with it. >
When total channels exceeds 400ish (~65% inbound, ~35% outbound), system load suddenly spikes (under 350 or so, it's usually under 2 or 3, when we hit 400+, it will jump as high as 80). At that point the system appears to be queueing calls as the volume will sometimes shoot up to as high as 900, even though that's not really possible (hard limit due to T1 count), so it seems that it might be blocking on some resource.
Also caught this error:
2012-06-05 11:23:21.419535 [CRIT] switch_core_session.c:1861 Throttle Error! 1342 2012-06-05 11:23:21.520601 [CRIT] switch_time.c:957 Over Session Rate of 30!
So I adjusted that upwards as well.
16 cores Xeon 3GHz, 16GB RAM, 6 drive SAS RAID 10 Scientific Linux 6.1 Freeswitch git pull from yesterday.
Regards, Cliff
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