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From Andrew Purtell <apurt...@apache.org>
Subject Re: [DISCUSS] options for precommit test reliability?
Date Mon, 09 Oct 2017 20:13:22 GMT
Reasonable stable result once a day > unstable results at any frequency

On Mon, Oct 9, 2017 at 12:51 PM, Sean Busbey <busbey@apache.org> wrote:

> On Mon, Oct 9, 2017 at 1:23 PM, Andrew Purtell <apurtell@apache.org>
> wrote:
> > I find these options useful when running on contended or underpowered
> test
> > hosts
> >
> >     -Dsurefire.firstPartForkCount=1 \
> >     -Dsurefire.secondPartForkCount=1 \
> >     -Dsurefire.rerunFailingTestsCount=3
> >
> > It balloons the test suite execution time, but produces more stable
> > results, and the rerun setting allows Surefire to help detect flaky
> tests.
> >
>
> These settings match what I do on underpowered hosts. I think it
> usually takes ~6 hours to get through the test suite this way. Is
> getting precommit feedback once a day prohibitively slow?
>



-- 
Best regards,
Andrew

Words like orphans lost among the crosstalk, meaning torn from truth's
decrepit hands
   - A23, Crosstalk

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