Tatsuo Ishii <ishii(at)postgresql(dot)org> writes:
> Now that PostgreSQL 8.3 enables autovacuum by default, I think pgbench
> should stop issuing vacuum in pgbench -i since an ordinary vacuum will
> take very long time under autovacuum running. If there's no objection,
> I will remove vacuum from pgbench.
I'd be inclined to leave it there, simply because you'll be changing
the conditions of the benchmark if you take it out. I have not noticed
any particular problems with it...
regards, tom lane