[OpenSIPS-Users] Major performance issues question

[Liviu Chircu]

Okay, so it seems lots of CPU cycles are spent in the kernel!

Are you sure there isn't any intensive I/O going on? For example, maybe 
you are pushing lots of gateway pings. You could run "iostat 1" to 
assess this.

Regards,

Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com

On 21.12.2016 18:58, Schneur Rosenberg wrote:
> procs -----------memory---------- ---swap-- -----io---- -system-- 
> ------cpu-----
>  r  b   swpd   free   buff  cache   si   so    bi    bo in   cs us sy 
> id wa st
>  7  0      0 9966412 296728 5239152    0    0     3    60  0    0  0 
>  0 99  0  0
>  6  0      0 9966684 296728 5239152    0    0     0    20 2075 1569 12 
> 64 24  0  0
>  7  0      0 9966588 296728 5239152    0    0     0    20 2023 1408 12 
> 64 24  0  0
>  4  0      0 9966492 296728 5239152    0    0     0   108 2027 1434 11 
> 63 26  0  0
>  5  0      0 9966588 296728 5239152    0    0     0    44 1687 1232 11 
> 52 38  0  0
>  5  0      0 9966620 296728 5239156    0    0     0    72 1704 1136  9 
> 53 37  0  0
>  6  0      0 9966492 296728 5239156    0    0     0    40 1874 1133 11 
> 64 25  0  0
>  6  0      0 9966524 296728 5239156    0    0     0    20 1794  853 11 
> 65 25  0  0
>  6  0      0 9966556 296728 5239156    0    0     0    56 1810  951 11 
> 64 25  0  0
>  6  0      0 9966620 296728 5239156    0    0     0     0 1802  934 10 
> 65 25  0  0
>  7  0      0 9966556 296728 5239160    0    0     0  2328 2356 1489 12 
> 76 12  0  0
>  7  0      0 9966460 296728 5239160    0    0     0     0 2074  929 12 
> 76 12  0  0
>  7  0      0 9966588 296728 5239164    0    0     0     0 2022  728 11 
> 76 12  0  0
>  7  0      0 9966620 296728 5239164    0    0     0     0 2015  802 14 
> 74 12  0  0
>  5  0      0 9966652 296728 5239164    0    0     0    72 2275 1049 14 
> 81  5  0  0
>
>
> On Wed, Dec 21, 2016 at 6:42 PM, Liviu Chircu <liviu at opensips.org 
> <mailto:liviu at opensips.org>> wrote:
>
>     Hi Schneur,
>
>     Those warnings are due to a rather harmless bug, which was fixed
>     and backported ~ two weeks ago.
>
>     Regarding 100% CPU usage though, could you please run "vmstat 1"
>     for 10 seconds and paste the full output? Thanks!
>
>     Regards,
>
>     Liviu Chircu
>     OpenSIPS Developer
>     http://www.opensips-solutions.com <http://www.opensips-solutions.com>
>
>     On 21.12.2016 18:17, Schneur Rosenberg wrote:
>>     Hi, I'm running a instance of OpenSIPS (just signalling no RTP on
>>     this machine) on a DigitalOcean VM, it was running fine for a
>>     while and it does not process lots of CPS (4-5 max) and today I
>>     was getting complaints of dropped calls, I checked the logs and I
>>     saw lots of  WARNING:core:utimer_ticker: utimer task <tm-utimer>
>>     already scheduled for 3956760 ms (now 3956860 ms), it may overlap
>>     and  WARNING:core:handle_timer_job: utimer job <tm-utimer> has a
>>     30000 us delay in execution
>>     I had 4 children and I upped it to 15, I think it helped but not
>>     completely solved the problem. When running top I see all of the
>>     sudden a few opensips processes jumping to 100% and the idle
>>     resources slowly going down sometimes even to 0% then it
>>     recovers, I haven't changed anything in my cfg file lately and
>>     the traffic has not increased etc. Is there anyway to see in the
>>     logs whats taking so much resources? I'm also wondering if its
>>     can be a DigitalOcean issue where other users on the same
>>     Hyperviser are using very high resources and its stealing my
>>     resources.
>>     thank you
>>
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