Hello, the async task workers are in recvfom(), which should not increase any load.
Do you have any chance to test on another os/version? Maybe on centos 7 and see if it is the same case? Cheers, Daniel On 25.05.20 17:56, Володимир Іванець wrote: > Hello again, > > I attached a new file. > > The interesting part is that Kamailio does not load the CPU at all. > /Top/ shows it at the bottom. Only the "load average" value gets > increased. > > Thank you! > > пн, 25 трав. 2020 о 16:34 Daniel-Constantin Mierla <[email protected] > <mailto:[email protected]>> пише: > > Hello, > > can you install the package with kamailio debugging symbols? Then > take again the kamctl trap with two async workers, it should > contain more details about what pieces of code run. > > The package should be named like kamailio-dbg... > > Besides that, can you also do a 'top' and see what kamailio > processes (their PIDs) eat a lot of cpu? > > Cheers, > Daniel > > On 25.05.20 11:05, Володимир Іванець wrote: >> Hello, >> >> Attached are two files. One for 2 Async Task Workers and one for >> 8 Workers. The second one was stuck and did not complete. >> >> I should point out that the virtual machine has 2 CPU cores. Load >> average value was stable with 2 workers and was slowly increasing >> after adding more workers. * workers caused it to increase very fast. >> >> Thank you! >> >> пт, 22 трав. 2020 о 22:00 Daniel-Constantin Mierla >> <[email protected] <mailto:[email protected]>> пише: >> >> Hello, >> >> if you can, it would be interesting to get the backtrace and >> see what was causing the load. >> >> Iirc, the Async Task Worker should wait on read on an >> internal socket, so it should be no CPU used when nothing is >> transmitted to this type of workers. >> >> Cheers, >> Daniel >> >> On 22.05.20 19:20, Володимир Іванець wrote: >>> Hello Daniel, >>> >>> Thank you for your response. >>> >>> I run /kamctl trap/ command but the procedure got stuck. >>> Last line in the generated file contained "---start 12767 >>> -----". 12767 was an Async Task Worker. Since I don't need >>> them I just removed related configuration. It must be left >>> after the testing. This solved the problem. >>> >>> Please let me know if you are still interested in what was >>> going on and if I should restore the configuration and >>> run /kamctl trap/ again. >>> >>> Thank you very much! >>> >>> пт, 22 трав. 2020 о 19:10 Daniel-Constantin Mierla >>> <[email protected] <mailto:[email protected]>> пише: >>> >>> Hello, >>> >>> install gdb and, when the load is high, run: >>> >>> kamctl trap >>> >>> It write a file with what kamailio was doing at that >>> moment. Send it over here on mailing list or make it >>> available for download somewhere. We can look at it and >>> guide further about what can be done. >>> >>> Cheers, >>> Daniel >>> >>> On 22.05.20 16:53, Володимир Іванець wrote: >>>> Hello everyone! >>>> >>>> I'm running Kamailio version 5.3.3 on a CentOS 6. I >>>> started noticing that "load average" value >>>> increases rapidly with the start of Kamailio: >>>> >>>> # uptime >>>> 17:47:52 up 4 days, 17:47, 3 users, load average: >>>> 7.02, 7.01, 6.02 >>>> >>>> It will start to decrease immediately after Kamailio is >>>> stopped. >>>> >>>> Does anyone know what could cause this and how to >>>> troubleshoot it? >>>> >>>> Thank you! >>>> >>>> _______________________________________________ >>>> Kamailio (SER) - Users Mailing List >>>> [email protected] >>>> <mailto:[email protected]> >>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>> >>> -- >>> Daniel-Constantin Mierla -- www.asipto.com >>> <http://www.asipto.com> >>> www.twitter.com/miconda <http://www.twitter.com/miconda> -- >>> www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda> >>> Funding: https://www.paypal.me/dcmierla >>> >> -- >> Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com> >> www.twitter.com/miconda <http://www.twitter.com/miconda> -- >> www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda> >> Funding: https://www.paypal.me/dcmierla >> > -- > Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com> > www.twitter.com/miconda <http://www.twitter.com/miconda> -- > www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda> > Funding: https://www.paypal.me/dcmierla > -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Funding: https://www.paypal.me/dcmierla
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