[Zope] Re: database conflicts and the _p_oid missing attribute bug

[Shane Landrum]

On Thu, Jan 22, 2004 at 11:26:23PM -0500, Jeremy Hylton wrote:
> 
> That right in a rough sense.  ZODB uses optimistic concurrency control,
> so later transactions are aborted if they conflict with
> already-committed ones.  But the transactions actually run concurrently.

Could you explain this a bit more? Because we run relatively
high-write operations on our Zope/ZEO setup, we hit ConflictErrors
quite a bit. I'd like to understand the underlying machinery here,
ideally so I can come up with a fix.

srl
-- 
Shane Landrum, Software Engineer    srl at boston.com
boston.com / NY Times Digital