[Freeswitch-users] Tuning Up Freeswitch

[Antonio Teixeira]

Just a little update for you guys.

I have jumped from debian to centos did a full reinstall +  Raid 1 + DB in
Ram.

And was able to get 78 Simult. Calls at only 10 % CPU so there is a huge
difference so far from 120 % on debian :\.
Call quality has improved , local lan call quality has rised , G729 Licenses
working again thanks Brian West !!!.

I will now start to deploy our IVRs using ESL to see if i can offload some
of the load.

Regards
A/T


2011/4/27 Paul Cupis <paul at cupis.co.uk>

> On 27/04/11 01:24, Ariel Monaco wrote:
> > We had high CPU utilization peaks in the past, which lead to some
> > audio issues (clipping). We were using debian at that time, which
> > was a customer-side requirement.
> >
> > I'm not a kernel guru but I remember this had something to do with
> > kernel timer cycles and the issue was address by adding "divider=10"
> > or "divider=100" as a kernel's boot loader option.
>
> Interesting. This kernel option is designed to reduce the valy of
> CONFIG_HZ at run=time, so if you have a 1000Hz kernel, setting
> divider=10 at boot time will effectively give you a 100Hz kernel.
>
> This seems to fly in the face of other recommendations on this kernel
> setting!
>
> Debian default kernel sets CONFIG_HZ=100
> CentOS default kernel sets CONFIG_HZ=1000
>
> Regards,
>
>
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