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[hhandresen at gmail.com]

I have a problem with asterisk. I got ~15 asterisk servers on new
hardware (1 or 2 xeon 3ghz) sometimes I got high load between 1 and 10.
No disk activity, no ram or swap problem. But asterisk main process is
using up to 300-500% cpu. This happens both with 30 channels in use and
100+ channels in use. I'm not doing transcoding or anything. any clue ?

One server with 300 channels load on 5
One server with 600 channels load on 0.02

After 5 minutes it might be ok... some times its ok after 1 hour.

I do no recording, no transcoding just g711a

Two servers does not have sip-registrations as they are gateways to our
sip-propvider. The other servers got around 1000-1200 sip registrations.

Running asterisk 11.5.x, 11.6.0 and now trying 11.7.0

All servers HP with centos 6.5 (has been 6.3 and 6.4 as well)

Any clue ?

/Henrik

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[tg at ovm-group.com]

Am 19.12.2013 10:37, schrieb Henrik Andresen:

[hhandresen at gmail.com]

All calls are sip<-->sip


On 19/12/13 11:32, Thorsten Göllner wrote:

[sst at sil.at]

Maybe this happens if you have a short delay to your dns servers. This
could increase the load very fast and after some seconds it might be
over again.

I have installed a dns recurser with own caching on all of my asterisk
servers and now everything runs much more smoothly.

best regards

stefan

Am 19.12.2013 11:56, schrieb Henrik Andresen:

[hhandresen at gmail.com]

Hi Stefan,

I use own dns-servers on local subnet so I don't think it's the problem

Also I have hosts in local hosts-files.

/Henrik


On 19/12/13 14:47, Stefan Schmidt wrote:

[tg at ovm-group.com]

What about the load, when only 1 or 2 calls are on this machine?

Am 20.12.2013 09:01, schrieb Henrik Andresen:

[tg at ovm-group.com]

Do you see no hint in the atserisk console (log)?

Am 20.12.2013 09:01, schrieb Henrik Andresen:

[hhandresen at gmail.com]

Hi,

I never see high load with only a few calls - but I'm not monitoring the
servers during night where we have few calls.

But we can get high load at ~30 calls also.

/Henrik

On 12/20/13 09:54 AM, Thorsten Göllner wrote:

[hhandresen at gmail.com]

No

Nothing to see in asterisk logs/console

/Henrik

On 12/20/13 09:55 AM, Thorsten Göllner wrote: