Am 14.04.2010, 04:08 Uhr, schrieb Laurence Rowe <l...@lrowe.co.uk>: > Running your test script on my small amazon EC2 instance on linux > takes between 0.0 and 0.04 seconds (I had to remove the divide by > total to avoid a zero division error). 0.02 is 5000/s.
Thanks for running the test. Intrigued by this extreme difference I've done a little run with cProfile, script attached. On my machine the 100 runs take ~2.65 seconds, at least 2.55 seconds are spent in the "nt.fsync" function. That's an alias for "os.fsync" on windows. According to the python docs it calls the _commit C function on windows. See http://msdn.microsoft.com/en-us/library/17618685(VS.80).aspx . I wonder if _commit is really *that* slow or if there's another (faster) function which can be called... -Matthias _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org https://mail.zope.org/mailman/listinfo/zodb-dev
