Well, you know...

In this one project, we had an interesting (cough) situation with PostgreSQL + psycopg, where we would see plenty of write conflict errors coming from the DB connector.

Turned out PostgreSQL has kind of an "optimistic" transaction control, where the DB server returns something like "couldn't really resolve this concurrency issue, please retry" to the DB connector, and psycopg would translate that into a ZODB ConflictError to make the ZPublisher retry the transaction. Not kidding.

So, while I don't know much about the internals of DCOracle you may want to make sure the ConflictErrors are due to the ZODB at all.


On 7. Aug 2005, at 23:50, Tim Peters wrote:

If you want to dig deeper, look into what happens inside

I'll try to check this, thanks for the hint. :)

It's the only way you'll figure it out ;-)

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