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From: Michael Berman <mberman@sqrrl.com>
Date: Mon, 7 Oct 2013 11:09:16 -0400
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Subject: Re: integration tests
To: dev <dev@accumulo.apache.org>
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This is awesome; thanks Eric!

Should we set perCoreThreadCount for failsafe so people can take advantage
of the parallel speedup without having to remember to set accumulo.it.forkCount
manually?  If we set it to something relatively small, it shouldn't break
things on slow VMs, but would still benefit devs with beefier machines.

Also, any reason not to set reuseForks?  Running from an IDE always reuses
the VM, and seems to work just fine.  This would also let us keep recycling
the same static minicluster between testclasses, which is no longer
happening in maven (although still happens in eclipse).


On Sun, Oct 6, 2013 at 12:25 AM, Christopher <ctubbsii@apache.org> wrote:

> That doesn't work well with plugins that aren't all thread safe, and
> may have other side-effects. Feel free to try it, if you like, but I
> think it's sufficient to focus on optimizing the unit tests and
> integration tests, because that's where it really matters.
>
> --
> Christopher L Tubbs II
> http://gravatar.com/ctubbsii
>
>
> On Fri, Sep 27, 2013 at 5:53 PM, Mike Drob <mdrob@mdrob.com> wrote:
> > Maven already provides a -T option for multithreaded runs, and can even
> > take a core multiplied factor. It would be nice to integrate with that in
> > some way
> > That's much better. It took me a few iterations to get down to an
> > appropriate number of threads where it wouldn't fail, but being able to
> do
> > it in 20 minutes blows 1+ hours out of the water
> >
> >
> > On Fri, Sep 27, 2013 at 2:55 PM, Eric Newton <eric.newton@gmail.com>
> wrote:
> >
> >> I've stabilized the integration tests. They run in a slow virtual
> machine,
> >> and they run on my desktop.  You can use multiple forks to run the tests
> >> more quickly:
> >>
> >>  $ mvn clean verify -Pnative -Daccumulo.it.forkCount=12
> >>
> >> That takes ~15 minutes.  My desktop has 8 cores and 30G of RAM.
> >>
> >> Please take the time to run the integration tests, and please open
> tickets
> >> if you find them failing.
> >>
> >> I'm not going to turn these tests on for our Jenkin's build because they
> >> will still timeout.
> >>
> >> -Eric
> >>
>

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