On Wed, 2004-05-19 at 21:59, Robert Creager wrote:
> When grilled further on (Wed, 19 May 2004 21:20:20 -0400 (EDT)),
> Bruce Momjian <[EMAIL PROTECTED]> confessed:
>
> >
> > Did we ever come to a conclusion about excessive SMP context switching
> > under load?
> >
>
> I just figured out what was causing the problem on my system Monday. I'm using
> the pg_autovacuum daemon, and it was not vacuuming my db. I've no idea why and
> didn't get a chance to investigate.
Strange. There is a known bug in the 7.4.2 version of pg_autovacuum
related to data type mismatches which is fixed in CVS. But that bug
doesn't cause pg_autovacuum to stop vacuuming but rather to vacuum to
often. So perhaps this is a different issue? Please let me know what
you find.
Thanks,
Matthew O'Connor
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
