[Freeswitch-users] Running FS on a heavy loaded VMWare host

[Ivan]

FWIW, I thought only CPU and memory would be relevant when virtualizing 
a basic FS instance (only routing calls, no fancy dialplan with DB 
lookups or any other I/O stuff), but heavy I/O on the *host* without 
saturating the CPU proved to significantly degrade the calls quality. It 
has to be a timer issue but I have yet to find time to investigate that 
so for now I'm just careful when doing maintenance on our KVM hosts.
As a side note I had a few problems running things on a 2-node KVM 
cluster with raw disks over glusterfs - I/O intensive stuff in one guest 
on one server would make guests on the other server almost come to a 
halt. I'm now migrating to DRBD to see if things improve.



On 09/02/2013 03:26 PM, Richard Genthner wrote:
> Never over commit on CPU in a cm environment but you can over commit in memory for 20% and not have issues
>
> Sent from my iPhone 5 please excuse typos
>
> On Sep 2, 2013, at 8:15 AM, EL <fs.user at fordior.net> wrote:
>
>>> One general tip for optimization - do not assign more resource to a VM than it actually needs.
>>
>> Can you tell me why more resources isn't good for optimization? Do you mean
>> to make efficient use of bare metal?
>>
>> --
>> EL
>>
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