Bugs item #770997, was opened at 2003-07-14 17:07
Message generated for change (Comment added) made by birkenfeld
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Category: Python Library
Group: Python 2.2.3
>Status: Closed
>Resolution: Out of Date
Priority: 5
Submitted By: Michael McCandless (mikemccand)
Assigned to: Nobody/Anonymous (nobody)
Summary: memory leak in pickle/cPickle [2.2.3]
Initial Comment:
Smallest case I could come up with:
import cPickle
import random
while 1:
s = str(random.randint(1000000, 9999999))
a = cPickle.dumps(s)
cPickle.loads(a)
The leak happens in these cases:
* Python 2.2.2 on FreeBSD 5.0.
* Python 2.2.3 on WinXP.
* Whether you use pickle or cPickle.
The leak does NOT happen:
* With Python 2.3b2 on FreeBSD 5.0 (maybe
this is a dup of a bug fixed on 2.3b2 --
can we back-port the fix?)
* If you use binary pickling (change to
"a = cPickle.dumps(s, 1)" instead).
* If you only call "dumps" or only call "loads";
somehow, it takes both to leak.
----------------------------------------------------------------------
>Comment By: Reinhold Birkenfeld (birkenfeld)
Date: 2005-06-01 13:36
Message:
Logged In: YES
user_id=1188172
Doesn't seem to occur in 2.3.5, or 2.4.1.
Closing as Out of Date.
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