| From: | "Jim C(dot) Nasby" <decibel(at)decibel(dot)org> |
|---|---|
| To: | Rod Taylor <pg(at)rbt(dot)ca> |
| Cc: | Satoshi Nagayasu <nagayasus(at)nttdata(dot)co(dot)jp>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, josh(at)agliodbs(dot)com, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: Open items |
| Date: | 2005-07-01 23:07:38 |
| Message-ID: | 20050701230737.GF50976@decibel.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
On Thu, Jun 30, 2005 at 10:11:56AM -0400, Rod Taylor wrote:
> On Thu, 2005-06-30 at 23:02 +0900, Satoshi Nagayasu wrote:
> > > The TODO item is about counting all temporary files, not sorts in
> > > particular. Or at least that's what I thought it meant.
> >
> > If the DBA have to improve the performance,
> > DBA will need to know about:
> >
> > - Which SQL generate a disk sort?
>
> Good point. An EXPLAIN ANALYZE note about the disk usage for the sort
> would be really nice.
Even nicer would be a way to log queries that generate on-disk sorts.
--
Jim C. Nasby, Database Consultant decibel(at)decibel(dot)org
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