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Re: Buildbot trouble

 

On 10 November 2011 14:37, Anders Logg <logg@xxxxxxxxx> wrote:
> On Thu, Nov 10, 2011 at 02:14:18PM +0100, Johannes Ring wrote:
>> On Thu, Nov 10, 2011 at 1:58 PM, Anders Logg <logg@xxxxxxxxx> wrote:
>> > On Thu, Nov 10, 2011 at 11:36:56AM +0100, Johannes Ring wrote:
>> >> On Thu, Nov 10, 2011 at 10:33 AM, Anders Logg <logg@xxxxxxxxx> wrote:
>> >> > Some new unit tests are failing on the buildbot. My personal buildbot
>> >> > is timing out as usual so I haven't been able to test there.
>> >>
>> >> It is the chapter_1 unit test from the book that is timing out. I
>> >> tried to run this on the buildbot now (after running instant-clean)
>> >> and it took almost five minutes to complete this test. The buildbot is
>> >> set to time out if there is no output for 20 minutes and I would
>> >> imagine that the chapter_1 unit test could run for 20 minutes or more
>> >> when the buildbot is busy during the nightly builds. In fact, your
>> >> buildbot did not time out last night when the force build button was
>> >> clicked and the buildbot was less busy.
>> >
>> > I've reduced the mesh sizes now, but it's strange that it takes 5
>> > minutes on the buildbot. It takes 44 seconds on my 2 year old laptop.
>> > It's down to 3 seconds now.
>>
>> Yes, but I guess you didn't run instant-clean first? Without
>> instant-clean it took 51 seconds on the buildbot.
>
> Aha... It takes 5 min for me now even after the reduction in mesh
> sizes if I run instant-clean.
>
> Would it be a good idea not to run instant-clean on the buildbots when
> pressing Force build?

Or even with commit-triggered builds. Nightly full rebuilds is good,
but I think there's value in faster faster incremental builds also.
If it succeeds on an incremental build and fails in the nightly build
we have a critical bug in the build system or instant cache system.

Martin


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