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Outrageous memory usage with cElementTree
- From: Shahms King <shahms shahms com>
- To: Development discussions related to Fedora Core <fedora-devel-list redhat com>
- Subject: Outrageous memory usage with cElementTree
- Date: Fri, 07 Apr 2006 13:38:23 -0700
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I was trying to figure out why my small python application was using
outrageous amounts of memory on FC5 and managed to track it down to a
single anonymous rw mapping that's 32380K. It only gets mapped after
importing cElementTree but I can't figure out why. It doesn't happen
under FC4 or FC3. Is this memory actually used or is it another
artifact of Linux's often questionable RSS statistics? 32MB is a lot of
memory to be using for no apparent reason, especially as it is
per-process unshared memory. It's particularly vexing using mod_python
and kid (which uses cElementTree, if available) as it means that every
single httpd process uses ~50MB base memory, which is ridiculous.
- --
Shahms E. King <shahms shahms com>
Multnomah ESD
Public Key:
http://shahms.mesd.k12.or.us/~sking/shahms.asc
Fingerprint:
1612 054B CE92 8770 F1EA AB1B FEAB 3636 45B2 D75B
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