[Freeswitch-users] High syscall percentage on Centos 7

[Sergey Safarov]

Could you build and test FS 1.2.23 on CentOS 7.
Probably it can help to locate problem on OS or FS.

Sergey

On Thu, Nov 26, 2015 at 11:21 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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