| From: | "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com> |
|---|---|
| To: | Oleg Lebedev <oleg(dot)lebedev(at)waterford(dot)org> |
| Cc: | "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: TPC-R benchmarks |
| Date: | 2003-10-01 13:23:08 |
| Message-ID: | Pine.LNX.4.33.0310010722320.20754-100000@css120.ihs.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
On Tue, 30 Sep 2003, Oleg Lebedev wrote:
> I continue struggling with the TPC-R benchmarks and wonder if anyone
> could help me optimize the query below. ANALYZE statistics indicate that
> the query should run relatively fast, but it takes hours to complete. I
> attached the query plan to this posting.
> Thanks.
What are the differences between estimated and real rows and such of an
explain analyze on that query? Are there any estimates that are just way
off?
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