New submission from Isaac Schwabacher:
I found because test_dbm_gnu fails on NFS; my initial thought was that the test
was failing to close a file somewhere (similarly to #20876), but a little
digging suggested that the problem is in dbm.gnu itself:
$ ./python
Python 3.5.1 (default, Dec 9 2015, 11:55:23)
[GCC 4.8.3 20140911 (Red Hat 4.8.3-9)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import dbm.gnu
>>> import subprocess
>>> db = dbm.gnu.open('foo', 'c')
>>> db.reorganize()
>>> db.close()
>>> subprocess.check_call(['lsof', 'foo'])
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
python 2302377 schwabacher mem-W REG 0,52 98304 25833923756 foo
0
A quick look at _gdbmmodule.c makes clear that the problem is upstream, but
their bug tracker has 9 total entries... The best bet might just be to skip the
test on NFS.
----------
components: Library (Lib)
messages: 256159
nosy: ischwabacher
priority: normal
severity: normal
status: open
title: dbm.gnu leaks file descriptors on .reorganize()
type: behavior
versions: Python 3.5
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Python tracker <[email protected]>
<http://bugs.python.org/issue25831>
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