[Python-Dev] Multigigabyte memory usage in the OpenIndiana Buildbot

Jesus Cea jcea at jcea.es
Sat Sep 10 05:26:34 CEST 2011


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On 10/09/11 05:02, Jesus Cea wrote:
> I have committed a few patches in the last hours to get my
> buildbots "green", back again. The memory used was <500MB, compared
> with >4GB before the "-j".

One of my patches solves a "process leak" in multiprocessing, when
some tests failed. Doing "make test" leaked quite a few processes, but
only in OpenIndiana, where those tests actually failed. That is solved
now, both the leak and the test failure.

Details:

http://bugs.python.org/issue12948
http://bugs.python.org/issue12950

I think the buildbots toke care of this rogue processes after the
timeout expires, anyway, but...

> Could you reconfigure my buildbots to be able to run all the six
> (2.7, 3.2, 3.x, in 32 and 64 bits) instances at the same time,
> again?. I have enough resources now. I really sorry to waste your
> time...

Now, a buildbot run of 3.x compiled in 64bits takes around 500MB. I
have seen a peak of around 4GB and a few of around 800MB, for a
fraction of a second.

- -- 
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