| From: | Rafael Martinez <r(dot)m(dot)guerrero(at)usit(dot)uio(dot)no> |
|---|---|
| To: | "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com> |
| Cc: | Dave Dutcher <dave(at)tridecap(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Help with optimizing a sql statement |
| Date: | 2006-02-09 22:44:42 |
| Message-ID: | 1139525082.19758.6.camel@linux.site |
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| Thread: | |
| Lists: | pgsql-performance |
On Thu, 2006-02-09 at 13:46 -0600, Jim C. Nasby wrote:
> I looked at the estimates for the table access methods and they all
> looked ok, so I think the statistics are pretty up-to-date; there just
> aren't enough of them for the planner to do a good job.
>
VACUUM ANALYZE runs 4 times every hour, so yes, statistics are
up-to-date. I will increase default_statistics_target tomorrow at work
and see what happens.
Thanks for your help.
--
Rafael Martinez, <r(dot)m(dot)guerrero(at)usit(dot)uio(dot)no>
Center for Information Technology Services
University of Oslo, Norway
PGP Public Key: http://folk.uio.no/rafael/
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