Re: Turn off vacuum in pgbench? - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Turn off vacuum in pgbench?
Date
Msg-id 200709282359.l8SNxvb28906@momjian.us
Whole thread Raw
In response to Re: Turn off vacuum in pgbench?  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Turn off vacuum in pgbench?
List pgsql-hackers
Tom Lane wrote:
> Tatsuo Ishii <ishii@postgresql.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@momjian.us>        http://momjian.us EnterpriseDB
http://postgres.enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: Enforcing database encoding and locale match
Next
From: Tom Lane
Date:
Subject: Re: Turn off vacuum in pgbench?