Re: [SR-Users] Detecting problems of kamailio under very high load

2015-11-16 Thread Daniel-Constantin Mierla
Hello, to observer if there are actions in config that are slow, enable latency related parameters: http://www.kamailio.org/wiki/cookbooks/4.3.x/core#latency_limit_action Then watch the syslog and see if you get messages reporting slow actions. Cheers, Daniel On 16/11/15 08:33, Alex Balashov w

Re: [SR-Users] Detecting problems of kamailio under very high load

2015-11-15 Thread Alex Balashov
Hello Arif, This sounds a lot like you've got a pathological database query or other source of I/O wait which periodically deadlocks or hangs for an inordinate amount of time, blocking one of Kamailio's worker threads.  Such a condition can have knock-on effects which overwhelm other workers, s

[SR-Users] Detecting problems of kamailio under very high load

2015-11-15 Thread aft
We have multiple kamailio servers with 4 cpu cores and 16G RAM. We use kamailio+rtpproxy as a outbound sip proxy. Usually there are many thousands of concurrent sip sessions of occurring there. Periodically sometimes it just stops serving request and spits out 5** replies. At that point we usually