[Asterisk-Users] (unexplicable) peaks of machine load

[Matt Florell]

I've noticed this as well from pre 1.0 versions through to 1.2.5
across 12 separate Asterisk servers. The severity seems to be random
mostly. I still haven't figured out what is causing it.

MATT---

On 3/15/06, Simone Cittadini <mymailforlists at gmail.com> wrote:
> I have strange peaks of machine load on my asterisk servers, looking at
> top the load is very high even if cpu usage is low and no swap memory is
> used.
>
> This happens on all the machines, some of them have asterisk, mysql, agi
> and digium cards on them, so I thought I was only asking too much, but
> yesterday I noticed the same behaviour on an asterisk machine with only
> two digium in it, no other service and a two line extension.
> I thought it can be a problem with digium cards but the interrupts
> aren't shared, and I have the same problem on a pure-voip server.
>
> Asterisk version varies from 1.2.1 to 1.2.5, the kernels are 2.4 or 2.6
> (right ones for the installed cpu, not generic 386)
> The only things in common are :
>
> Linux debian, iax channels are used, with jitterbuffer
>
> When this "ghost load" becomes too high (> 3) asterisk starts losing
> packets, and the users starts losing patience ...
>
> Anyone experiencing a similar problem ?
>
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