[asterisk-users] Issue with Asterisk 13, multiple CDR per queue and arbitrary upper limit

Joshua Colp jcolp at digium.com
Sat Apr 1 05:56:16 CDT 2017


On Fri, Mar 31, 2017, at 10:55 PM, Michaël Gaudette wrote:
> 
> 
> Hi,
> 
> 
> 
> I`ve recently upgraded a server from 1.8 to Asterisk 13.  While
> everything
> is under control, I have one issue with the way CDRs are kept for queues.
> And I don`t mean “I don`t like it”. I mean it crashes the server.
> 
> 
> 
> I realize there are multiple CDRs per queue call – one per ring/per
> phone,
> basically.  The issue is that whenever the number of CDRs “to  be
> recorded” for a call exceeds 5000, Asterisk becomes unresponsive for a
> few
> minute. I get this message in the console:
> 
> “taskprocessor_push: The 'subm:cdr_engine-00000003' task processor queue
> reached 5000 scheduled tasks again.”
> 
> 
> 
> This scenario is trivial to reproduce: a queue, with simultaneous ring,
> 20
> phones, all unreachable, 1 second between attempts.  After 250 (5000
> divided by 20) seconds of waiting asterisk partially breaks down.
> 
> 
> 
> This seems to be because while multiple CDR`s are written per queue call,
> it`s only done at the  end of the call, so CDRs accumulate in
> memory/cacher/whatever and break some limit.
> 
> 
> 
> So, my question is:  is there any way to force the CDR`s to be written as
> the queue app is working it`s magic, instead of at the very end of the
> call? Or anyway to work around this limit? Or any fix for this?

There is not. If you are running the latest version I'd suggest filing
an issue[1] as we definitely should not crash under the scenario.

[1] https://issues.asterisk.org/jira

-- 
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org



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