[Dev] ZODB performance
Michael R. Bernstein
webmaven at lvcm.com
Fri Nov 8 18:00:58 PST 2002
On Fri, 2002-11-08 at 17:21, John Anderson wrote:
> Michael R. Bernstein wrote:
> >On Fri, 2002-11-08 at 13:51, John Anderson wrote:
> >>Trouble is, ZODB has a bunch of problems, for example it's
> >>dog slow. So I'd like to investigate what would be necessary to make
> >>ZODB a better solution.
> >Are you talking about write performance or read performance? And are we
> >talking about the ZODB alone, or in the context of Zope?
> My test program for object creation using ZODB4 goes from somewhere
> around 20,000 objects created per second to 300 per second once you
> throw in transactions. I'd like to use transactions for undo and
> resource exaustion recovery.
can you be more specific as to what you mean by 'throw in transactions'?
Are you putting each object creation in a subtransaction, or were you
batching them? If batches, how large were they?
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