On Tue, 2006-03-21 at 15:56, Tom Lane wrote:
> Scott Marlowe <smarlowe@g2switchworks.com> writes:
> > I've also found that modest increases in commit_siblings and
> > commit_delay help a lot on certain types of imports.
>
> On a data import? Those really should have zero effect on a
> single-process workload. Or are you doing multiple concurrent imports?
That, and it's a machine that's doing other things. Also, a lot of the
imports are NOT bundled up into groups of transactions. i.e. lots and
lots of individual insert queries.