[Freeswitch-users] Jitter and dropping MOS score

[Dragos Oancea]

if it really consumes 100% CPU with few calls then it's abnormal.
kill it with SIGABRT (make sure it will dump core before that), get a
backtrace with gdb and open a github issue.
before doing this you need to make sure it's really eating 100 % CPU, this
screenshot is not very relevant.
Also, you need to make sure you don't have real packet loss. Perhaps it's a
matter of dimensioning, eg: how many simultaneous calls do you expect to
have on that hardware, what codec, etc.


On Wed, Oct 6, 2021 at 2:26 AM Christoph Russow <russow at emtex.de> wrote:

> Hi all,
>
> we are currently experiencing jitter and dropping MOS score on an
> increasing amount of calls on our system.
>
> i can't see any increased load on our system (neither CPU nor I/O wise).
>
> Current stats:
>
> ~ 15Mbit/s network traffic (on a 1Gbit/s network)
> load average: 1,10, 0,82, 0,91 (16 core machine)
> memory used: 2,26GB/16GB
>
> freeswitch at lc1> status
> UP 0 years, 12 days, 13 hours, 30 minutes, 24 seconds, 649 milliseconds,
> 831 microseconds
> FreeSWITCH (Version 1.10.1 -release-12-f9990221e6 64bit) is ready
> 137634 session(s) since startup
> 218 session(s) - peak 245, last 5min 222
> 1 session(s) per Sec out of max 30, peak 8, last 5min 2
> 1000 session(s) max
> min idle cpu 0.00/95.37
> Current Stack Size/Max 244K/244K
>
> System ist not virtualized.
>
> the only "strange" thing i see is the freeswitch "main"process that
> consumes (according to htop) >=100% cpu (see attached screenshot).
> Can this be the problem? if yes what can i do against it.
>
> if not what are possible bottlenecks i should weed out?
>
> if you need any additional informations to help me sort out this problem
> please don't hesitate to ask.
>
> Thanks in advance and best regards
> Christoph
>
>
>
> --
> ________________________________________________________________
>
> EMTEX GmbH
> Christoph Russow
> Software Engineer
>
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