Yes, the build stability is super serious right now.

Here are the problems in question, and what we could do about this:



BarrierBuffer:
--------------------
Barrier Buffer tests fail in Java 6 builds.

I have not found a way to diagnose that problem, yet, but if we cannot find
the issue today, I would be willing to revert my latest commits on the
barrier buffer to increase the stability.


StreamCheckpointingITCase
-------------------------------------------
This seems to have started with either the barrier buffer, or the updated
partitioned state. If fixing/reverting the barrier buffer does not fix it,
and no fix has come up

until then, let's revert the latest changes to the partitioned state and
re-add them when they are stable.


Tachyon:
-------------
The Tachyon mini cluster has a problem, apparently, the programs exit with
a sysexit or segfault.

Since we have no Tachyon code ourselves, do we need this test as part of
the nightly tests?
Can we make this a "manual" test that we trigger on demand?



Greetings,
Stephan




On Tue, Aug 4, 2015 at 11:41 AM, Aljoscha Krettek <aljos...@apache.org>
wrote:

> I've also seen this fail: https://travis-ci.org/apache/flink/jobs/74025862
>
> in SuccessAfterNetworkBuffersFailureITCase
>
> Build seems quite flaky recently.
>
> On Tue, 4 Aug 2015 at 10:27 Matthias J. Sax <mj...@informatik.hu-berlin.de
> >
> wrote:
>
> > Rebased on:
> >
> >
> >
> https://github.com/mjsax/flink/commit/fab61a1954ff1554448e826e1d273689ed520fc3
> >
> > But if the gap between two rebases is large, it's hard to say what the
> > problem might be...
> >
> > The old parent commit (ie, rebase before last rebase) was
> >
> >
> https://github.com/mjsax/flink/commit/148395bcd81a93bcb1473e4e93f267edb3b71c7e
> >
> > -Matthias
> >
> > On 08/04/2015 08:57 AM, Aljoscha Krettek wrote:
> > > What are the commits that you rebased on? Could you maybe narrow down
> > what
> > > caused the regression?
> > >
> > > On Mon, 3 Aug 2015 at 23:31 Matthias J. Sax <
> > mj...@informatik.hu-berlin.de>
> > > wrote:
> > >
> > >> I only report failing tests after a rebase. ;)
> > >>
> > >> -Matthias
> > >>
> > >> On 08/03/2015 11:23 PM, Henry Saputra wrote:
> > >>> Thanks for reporting it , Matthias. Will try to run Travis for latest
> > >> Flink.
> > >>>
> > >>> Tachyon test is a bit flaky. Maybe updating to latest release could
> > help.
> > >>>
> > >>> - Henry
> > >>>
> > >>> On Mon, Aug 3, 2015 at 2:18 PM, Matthias J. Sax
> > >>> <mj...@informatik.hu-berlin.de> wrote:
> > >>>> Today, not a single built was successful completely. Please see
> here:
> > >>>>
> > >>>> Flink Streaming Core:
> > >>>> https://travis-ci.org/mjsax/flink/jobs/73938109
> > >>>> https://travis-ci.org/mjsax/flink/jobs/73951362
> > >>>> https://travis-ci.org/apache/flink/jobs/73938124
> > >>>> https://travis-ci.org/apache/flink/jobs/73899795
> > >>>> https://travis-ci.org/apache/flink/jobs/73938122
> > >>>> https://travis-ci.org/apache/flink/jobs/73952441
> > >>>>
> > >>>> Flink Taychon:
> > >>>> https://travis-ci.org/apache/flink/jobs/73938123
> > >>>>
> > >>>>
> > >>>> -Matthias
> > >>>>
> > >>
> > >>
> > >
> >
> >
>

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