| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Martijn van Oosterhout <kleptog(at)svana(dot)org>, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: That EXPLAIN ANALYZE patch still needs work |
| Date: | 2006-06-08 21:31:31 |
| Message-ID: | 20060608213131.GI20220@surnet.cl |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Tom Lane wrote:
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> > Tried on two machines. The first (Turion64 laptop) gives 44-45 ms for
> > the SELECT, and 50-51 ms for the EXPLAIN ANALYZE.
>
> > The second machine, desktop Celeron 533, gives 197-200 ms for the SELECT
> > and 788-790 for the EXPLAIN ANALYZE. I guess this is the reproduction
> > you were looking for.
>
> Do you have oprofile installed on these? Comparing oprofile results
> might give some more insight where the time is going.
No, I don't. I'll have a look.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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