[Cdash] [EXTERNAL] Re: HIgh load and stalled submissions

Wolfenbarger, Paul R prwolfe at sandia.gov
Tue Jan 8 16:42:42 UTC 2013

I am using cdash 2-0-2 and mysql version 14.12.  I have made some changes
to the cdash php code myself, but they are mostly minor ones on the
display side and almost none on the submission side.  What tuning
parameters are you thinking of?


On 1/8/13 8:27 AM, "Julien Jomier" <julien.jomier at kitware.com> wrote:

>Which database do you use? and which version of CDash?
>You might need to tune the database performances based on the system you
>are running CDash on.
>On 08/01/2013 16:19, Wolfenbarger, Paul R wrote:
>> Yes I do use asynchronous submissions.  The submissions do come through
>> after the server load is resolved, but I still get this major lock-up.
>>   Very confusedŠ
>> Paul
>> From: Martin Apel <martin.apel at simpack.de
>><mailto:martin.apel at simpack.de>>
>> Organization: SIMPACK AG
>> Date: Tuesday, January 8, 2013 7:57 AM
>> To: "cdash at public.kitware.com <mailto:cdash at public.kitware.com>"
>> <cdash at public.kitware.com <mailto:cdash at public.kitware.com>>
>> Subject: [EXTERNAL] Re: [Cdash] HIgh load and stalled submissions
>> Hi Paul,
>> we switched to asynchronous submissions, when we experienced the
>> problem. Since then, we never had any issues with this again.
>> Have you tried setting
>> in cdash/config.php?
>> Regards,
>> Martin
>> On 08/01/13 15:50, Wolfenbarger, Paul R wrote:
>>> I have an interesting thing happening on about a monthly basis.  A lot
>>> submissions to our cdash get stalled, mysql shows a load of 1, and
>>> response to web page requests gets very slow (on the order of 10
>>> minutes or better.  I did a search and found a related topic
>>> (http://public.kitware.com/pipermail/cdash/2011-October/001046.html)
>>> but since I do not yet have automated removal running (I confirmed
>>> this in the logs as well) I am not sure what else might be doing this.
>>>  On 2 occasions, the problem resolved itself and on 2 others I was
>>> forced to restart the mysql and apache services.
>>> I did find some issues with my xml submissions which created builds
>>> far in the future ­ I am fixing those, but I do not expect it to have
>>> created this type of behaviorŠ.
>>> Any feedback anyone has would be very useful.
>>> Thanks!
>>> Paul
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