[asterisk-users] High load on asterisk servers

[Henrik Andresen]

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:
> What about the load, when only 1 or 2 calls are on this machine?
>
> Am 20.12.2013 09:01, schrieb Henrik Andresen:
>> 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:
>>> 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:
>>>> All calls are sip<-->sip
>>>>
>>>>
>>>> On 19/12/13 11:32, Thorsten Göllner wrote:
>>>>>
>>>>> Am 19.12.2013 10:37, schrieb Henrik Andresen:
>>>>>> 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 
>>>>>
>>>>> What calls cause these problems? SIP or E1/T1-Calls? 
>