Author nadeem.vawda
Recipients doko, eric.araujo, eysispeisi, georg.brandl, itkach, koen, lars.gustaebel, loewis, nadeem.vawda, nikratio, paul.moore, pitrou, proyvind, python-dev, v+python, vstinner
Date 2011-12-22.22:48:43
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Message-id <1324594124.95.0.667691170817.issue5689@psf.upfronthosting.co.za>
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Not to worry - as I said in my previous message, I can reproduce the error
on my own XP machine.

I also noticed that running test_tarfile alone doesn't trigger the errors,
which leads me to suspect that the failure is due to some interaction with
another test getting run before test_tarfile. I'm currently trying to
determine what this test is.

I suspect that the problem is at least partially caused by the fact that
tarfile uses a default compresslevel of 9 for .tar.xz archives (rather
than the recommended value of 6). According to the man page for the xz
tool <http://manpages.ubuntu.com/manpages/lucid/man1/xz.1.html>, using a
compresslevel of 9 can result in memory usage of up to 800MB during
compression, which is a significant fraction of the bot's 2GB of RAM.
(I suppose it would be a good idea to mention this in the documentation
for the lzma module, so users won't get bitten by this...)
History
Date User Action Args
2011-12-22 22:48:45nadeem.vawdasetrecipients: + nadeem.vawda, loewis, georg.brandl, doko, paul.moore, lars.gustaebel, pitrou, vstinner, koen, eric.araujo, v+python, proyvind, nikratio, itkach, eysispeisi, python-dev
2011-12-22 22:48:44nadeem.vawdasetmessageid: <1324594124.95.0.667691170817.issue5689@psf.upfronthosting.co.za>
2011-12-22 22:48:44nadeem.vawdalinkissue5689 messages
2011-12-22 22:48:43nadeem.vawdacreate