[Twisted-Python] Another newbie question... out of file descriptors?
K. Richard Pixley
rich at noir.com
Thu Feb 25 20:55:28 MST 2010
Can anyone explain this result to me?
It looks to me as though the SelectReactor is leaking file descriptors.
Granted, it's a pathological case, but it's not uncommon if you're
running a bunch of tests.
--rich
rich at black.noir.com> cat demo.py
from twisted.internet.selectreactor import SelectReactor
for i in xrange(1024):
SelectReactor()
rich at black.noir.com> python demo.py
Traceback (most recent call last):
File "demo.py", line 4, in <module>
SelectReactor()
File
"/home/rich/projects/sprained/sprained-dev/lib/python2.6/site-packages/Twisted-9.0.0_r28543-py2.6-linux-x86_64.egg/twisted/internet/selectreactor.py",
line 72, in __init__
posixbase.PosixReactorBase.__init__(self)
File
"/home/rich/projects/sprained/sprained-dev/lib/python2.6/site-packages/Twisted-9.0.0_r28543-py2.6-linux-x86_64.egg/twisted/internet/base.py",
line 471, in __init__
self.installWaker()
File
"/home/rich/projects/sprained/sprained-dev/lib/python2.6/site-packages/Twisted-9.0.0_r28543-py2.6-linux-x86_64.egg/twisted/internet/posixbase.py",
line 266, in installWaker
self.waker = _Waker(self)
File
"/home/rich/projects/sprained/sprained-dev/lib/python2.6/site-packages/Twisted-9.0.0_r28543-py2.6-linux-x86_64.egg/twisted/internet/posixbase.py",
line 128, in __init__
self.i, self.o = os.pipe()
OSError: [Errno 24] Too many open files
rich at black.noir.com> lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu lucid (development branch)
Release: 10.04
Codename: lucid
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