| 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: | 2006-06-09 13:58:02 |
| Message-ID: | 20060609135802.GE19659@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:
> > Hmm, I take that back. I updated to the current CVS tip on this machine
> > and now I don't see the problem. Without EXPLAIN ANALYZE, the times are
> > around 115-117 ms. With EXPLAIN ANALYZE, 149-152ms.
>
> At the moment, CVS HEAD still has the sampling patch in it. You need to
> be looking at 8.1, or HEAD from several weeks ago, to see the full
> impact of gettimeofday-every-time. (I imagine Simon's strace count
> is wrong for the same reason.)
Ok, then I re-retract, because the test I posted previously was done
with 8.1.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Tom Lane | 2006-06-09 14:00:20 | Re: That EXPLAIN ANALYZE patch still needs work |
| Previous Message | Aaron Bingham | 2006-06-09 13:55:04 | Re: Fabian Pascal and RDBMS deficiencies in fully implementing |