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From "Stepan Mishura" <stepan.mish...@gmail.com>
Subject Re: [general] Declare M4 == r603534 ?
Date Tue, 18 Dec 2007 08:26:12 GMT
On 12/17/07, Tim Ellison <t.p.ellison@gmail.com> wrote:
> Stepan Mishura wrote:
> > What criteria do you use to define if the build is stable enough?
>
> The opinion of people who work in each area saying it is stable.
>

Sure, the final decision is made by people.

> The tests and scenarios are there to give us good information to work
> with, but in the end it is 'people over process' that decide.
>

But if regressions have tendency to get accumulated then the next
questions start to disturb me: what is wrong with the process? when we
should try to make everything 'green' on the snapshot status page?

Thanks,
Stepan.

> > It is not clear from me how we define 'stable build' - the published
> > test results showed several regressions (there is not 1 only or 2
> > issues for evaluation).
> > For example, I spend a whole day evaluating/reproducing results for
> > Eclipse and Geromino unit tests and reliability suite. Running the
> > Eclipse tests are bit tricky (I can not get stable results yet). The
> > Geromino unit tests IMO regressed since M2. (we have HARMONY-4895 and
> > HARMONY-5302. Both claim that there are issues with Geromino but the
> > all tests pass with Sun's JDK 1.5.0. So I think more investigation is
> > required). And I'm able to reproduce tests crashes in the reliability
> > suite. But currently I can not say how critical they are but it looks
> > like we have problems in ThreadManager.
>
> Ok.  Weldon or somebody who has been working in that area should give us
> a view of whether the code in that area is stable enough for us to
> promote to a milestone.  I haven't been working in that code to know.
>
> The Harmony code base is so large that we have to rely on people
> agreeing on a milestone date and converging on it for a stable
> publication.  Continuous integration and testing helps ensure each area
> doesn't break everyone, though of course there will be new issues found
> during this stability period.  But while the code is frozen we can't
> make progress.
>
> > Also is it possible to define a formal criteria for publishing a stable build?
> > (Say as we did for publishing user's snapshots: the snapshots are
> > published if classlib,drlvm.jdktools and EWHA pass on Linux/Windows
> > ia32 platform.)
>
> We could try and do that in future but, as I wrote above, I put more
> faith in people.
>
> Regards,
> Tim

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