Thanks Ismael, this is suuuuuuuuper helpful!
Guozhang
On Thu, Dec 8, 2016 at 5:24 AM, Ismael Juma <ism...@juma.me.uk> wrote:
> Hi everyone,
>
> Given the recent availability of the superior open-source pull request
> builder[1] in Apache Jenkins (previously we were only able to use the
> Jenkins Enterprise GH PR plugin), I have switched our PR builds to that.
>
> I took the chance to replace the existing build with three separate builds
> (scala-2.10 and jdk7, scala 2.11 and jdk8, scala 2.12 and jdk8).
>
> As stated in KAFKA-4511, the new approach has the following advantages:
>
> 1. It is now possible to trigger a rebuild via a comment ("retest this
> please")
> 2. We are now testing JDK 8 as part of the PR builds
> 3. Builds will hopefully complete faster as they run concurrently
> (previously we did Scala 2.10 followed by Scala 2.11 sequentially in the
> same Jenkins job)
> 4. Flaky tests will be more obvious as they are unlikely to fail in all
> builds (we should still be aggressive in trying to avoid flakiness)
>
> I also updated the contribution wiki page [2].
>
> See the following for an example of how the results are reported (I tweaked
> the automated PR comment slightly so it now includes the status of the
> build and the JDK and Scala version):
>
> https://github.com/apache/kafka/pull/2231
>
> Let me know if you have any questions, suggestions, concerns or any other
> feedback.
>
> Thanks.
> Ismael
>
> [1]
> https://wiki.jenkins-ci.org/display/JENKINS/GitHub+pull+
> request+builder+plugin
> [2]
> https://cwiki.apache.org/confluence/display/KAFKA/
> Contributing+Code+Changes
>
--
-- Guozhang
