On Tue, 12 Apr 2005 08:41:55 -0500, Dave Held wrote
> > -----Original Message-----
> > From: Keith Worthington [mailto:KeithW@narrowpathinc.com]
> > Sent: Monday, April 11, 2005 7:44 PM
> > To: Neil Conway
> > Cc: PostgreSQL Perform
> > Subject: Re: [PERFORM] 4 way JOIN using aliases
> >
> > Neil Conway wrote:
> > > Keith Worthington wrote:
> > >
> > >> -> Seq Scan on tbl_current
> > (cost=0.00..1775.57 rows=76457
> > >> width=31) (actual time=22.870..25.024 rows=605 loops=1)
> > >
> > >
> > > This rowcount is way off -- have you run ANALYZE recently?
> > > [...]
> >
> > I run vacuumdb with the analyze option every morning via a
> > cron job. In my ignorance I do not know if that is the same
> > thing.
>
> Pass it an --analyze option if you aren't already.
>
> __
> David B. Held
>
Here is the command I have in the cron file.
vacuumdb --full --analyze --verbose --username dbuser --dbname ${IPA_DB} >>
${IPA_LOG_DIR}/ipavcmdb.log 2>&1
If this performs the analyze as I thought it should I do not know why the row
count is so badly off.
Kind Regards,
Keith
