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From Robert Metzger <rmetz...@apache.org>
Subject Re: Master test stability poor
Date Wed, 27 Apr 2016 12:25:29 GMT
I'm not sure if the issues is as big as it seems on a first sight.
The reason why all the builds of master are red on travis is that the cache
of the 5th build is invalid. We have to ask infra to delete the caches and
then they'll be green again.

On Wed, Apr 27, 2016 at 2:13 PM, Ufuk Celebi <uce@apache.org> wrote:

> Along the lines of what Greg already mentioned, I would like to
> re-iterate that Travis is often a problem too:
> - long build times and we are reaching the time limit
> - unreliable I/O
> - unreliable resolving of build dependencies
>
> @Max: I think you wanted to look into whether we can use Apache's
> Jenkins server for our builds instead of Travis. Did you ever get
> around at looking into it? If yes: What's your opinion on replacing
> Travis with Jenkins? Is it a viable option? Would it improve the
> Travis-specific problems?
>
> On the other hand, the very slow Travis machines also helped
> discovering some hard-to-catch race conditions.
>
> – Ufuk
>
>
> On Wed, Apr 27, 2016 at 2:01 PM, Greg Hogan <code@greghogan.com> wrote:
> > We have also started running over Travis' 2 hour limit for the longest
> build.
> >
> > Greg
> >
> >
> >> On Apr 27, 2016, at 7:53 AM, Ufuk Celebi <uce@apache.org> wrote:
> >>
> >> Hi Till,
> >>
> >> thank you for bringing this up. We really need to fix this.
> >>
> >> Filing JIRAs with critical priority was how we tried to solve it in
> >> the past, but obviously it did not work. There seems to be a mismatch
> >> between assigned and actual priorities.
> >>
> >> As a first step, I would volunteer to gather a list of tests, which
> >> have failed in the last weeks and make sure that we have JIRAs for
> >> them.
> >>
> >> As a next step, we should coordinate how to resolve those issues
> >> (maybe prioritized by failure frequency) to get master stable again.
> >>
> >> – Ufuk
> >>
> >>
> >>> On Wed, Apr 27, 2016 at 12:12 PM, Till Rohrmann <trohrmann@apache.org>
> wrote:
> >>> Hi Flink community,
> >>>
> >>> I just wanted to raise awareness that in the last 16 days there was
> just a
> >>> single Travis build of master which passed all tests. This indicates
> that
> >>> we have some serious problems with our test stability or even worse a
> >>> problem with the master itself. Having an unstable master makes it
> really
> >>> hard to assess whether new changes actually broke something or whether
> the
> >>> failing test was unrelated.
> >>>
> >>> We have currently 37 open issues labeled with test-stability and most
> of
> >>> them have a critical priority. Therefore, I would propose that we try
> to
> >>> tackle them as soon as possible in order to improve our testing
> stability.
> >>>
> >>> Cheers,
> >>> Till
>

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