| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Tatsuo Ishii <ishii(at)postgresql(dot)org>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Turn off vacuum in pgbench? |
| Date: | 2007-09-28 23:59:57 |
| Message-ID: | 200709282359.l8SNxvb28906@momjian.us |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
> 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...
I wonder if autovacuum itself is going to add more variability to the
test (like we don't have enough already).
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://postgres.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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