[Freeswitch-users] Tuning Up Freeswitch

[Antonio Teixeira]

Raid 1 yes , but no DB in ram


2011/4/27 Avi Marcus <avi at avimarcus.net>

> Did you have the Raid 1 and DB in ram on debian, too..?
> -Avi
>
>
> On Wed, Apr 27, 2011 at 1:30 PM, Antonio Teixeira <eagle.antonio at gmail.com
> > wrote:
>
>> 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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>>
>>
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>
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