[Freeswitch-users] High syscall percentage on Centos 7

[Brian West]

I really like how you characterize 300CPS as moderate, your test is
somewhat unclear, are you doing 300CPS with a duration of 3 seconds or are
you just ramping up to to 1500 calls total at 300CPS.

./b


On Thu, Nov 26, 2015 at 2:21 AM, Denys D <dvmorte at gmail.com> wrote:

> Hi! Has anybody faced with high system calls on Centos 7 while running
> FreeSwitch?
> We have migrated from FS 1.2.23 on Centos 5.11 to FS 1.6.2 on Centos 7 and
> faced with very high syscall (up to 60% CPU time) rate under moderate load
> (300 CPS, 1500 simultaneous calls). We also faced the same issue on Centos
> 6.7 and Debian 8.2 with FS 1.6.2 on the same hardware. On Centos 5.11 with
> the same load and h/w we had no more than 10% syscalls CPU time. We have
> already tried nohz=off kernel option and it didn't solve the problem. What
> should we change in our environment to achieve the same performance level
> as it was on Centos 5.11?
>
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*Brian West*
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