Hallöchen!
Torsten Bronger writes:
> Sometimes, we experience a massive increase in active connections
> to the memcached server when calling cache.clear(). This causes
> server tracebacks because the server cannot open files
> (e.g. Python modules) anymore: "error 24: Too many open files".
I found an easy way to reproduce this (with memcached activated in
settings.py):
chantal@mandy:~/chantal$ ./manage.py shell
Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41)
[GCC 4.4.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)
>>> from django.core.cache import cache
>>> for i in xrange(2000): cache.set(str(i), str(i))
...
Traceback (most recent call last):
File "<console>", line 1, in <module>
File
"/usr/lib/python2.6/dist-packages/django/core/cache/backends/memcached.py",
line 64, in set
File "/usr/lib/pymodules/python2.6/memcache.py", line 502, in set
File "/usr/lib/pymodules/python2.6/memcache.py", line 675, in _set
File "/usr/lib/pymodules/python2.6/memcache.py", line 278, in _get_server
File "/usr/lib/pymodules/python2.6/memcache.py", line 883, in connect
File "/usr/lib/pymodules/python2.6/memcache.py", line 897, in _get_socket
File "/usr/lib/python2.6/socket.py", line 182, in __init__
error: [Errno 24] Too many open files
It *seems* (I don't know for sure) that a socket it opened by
cache.set() but not closed. Is this the expected behaviour?
Tschö,
Torsten.
--
Torsten Bronger Jabber ID: torsten.bron...@jabber.rwth-aachen.de
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