[Spce-user] kamailio-proxy.log error - mysql lost connection

[Jeremie Chism]

I/O wait kills sipwise. Just speaking from experience. If you have dial traffic and you are using sata drives or slow drives its just a matter if time before it breaks. We aren't using a dialer and we use sas 15K drives only b

Sent from my iPhone

On May 27, 2013, at 8:31 AM, Andrew Pogrebennyk <apogrebennyk at sipwise.com> wrote:

> On 05/27/2013 03:28 PM, Martin Wong wrote:
>> Nothing in the mysqld.err that stands out. After a reboot, the issue
>> goes away.
>> 
>> Not sure why.
>> 
>> There's dialer traffic which makes lots of calls which probably is the
>> cause. Not to say that the server load is very high... the CPU is quite low.
>> 
>> Do you think it's because it's a virtual machine?
> 
> That could be possible, but can't say for sure without knowing the
> underlying hardware. What kind of HDD/RAID does that machine have?
> Do you see high %wa percentage (IO wait) in 'top'? What is the disk
> utilization reported in 'iostat -dx1' when that customer is dialing?
> 
> HTH.
> Andrew
> 
> 
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