Public bug reported:
I am using Ubuntu 8.04 on both i386 and amd64 machines.
At present Ubuntu 8.04 with all available updates has matplotlib in version
0.91.2
The bug appears in particular to python programmers who save to disk many plots
with pylab in single python process.
The bug I am mentioning causes serious memory leaks when calling pylab.savefig()
In my case it is about 15 MB of memory leak for each call of savefig() causing
entire RAM consumption in the end.
I decided not to put here any screenshots and so on, because this bug is
already fixed in matplotlib version 0.91.4 (latest from 0.91 branch)
See the changelog entry:
2008-05-02 Update _subprocess.c from upstream Python 2.5.2 to get a few memory
and reference-counting-related bugfixes. See bug 1949978. - MGD
[the full changelog is in attachment]
I built for myself matplotlib 0.91.4 from official sources and it works
fine (no memory leaks), but I'm worried about other python/pylab
programmers who may be not yet aware of this issue.
The bug report is my gentle request to Ubuntu Maintainers, to put
matplotlib 0.91.4 in Ubuntu 8.04 repositories instead of current (buggy)
version.
Greetings
Przemek
** Affects: matplotlib (Ubuntu)
Importance: Undecided
Status: New
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pylab.savefig() causes memory leak in matplotlib-0.91.2
https://bugs.launchpad.net/bugs/246239
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