[issue14596] struct.unpack memory leak
Mark Dickinson
report at bugs.python.org
Mon Apr 16 14:25:08 CEST 2012
Mark Dickinson <dickinsm at gmail.com> added the comment:
I suspect that this is due to the struct module cache, which caches Struct instances corresponding to formats used. If that's true, there's no real leak as such.
As a test, what happens if you increase your xrange(30) to xrange(300)? (And perhaps decrease the size of the struct itself a bit to compensate). You should see that memory usage stays constant after the first ~100 runs.
Using Struct directly is a good workaround if this is a problem.
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