| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Greg Copeland <greg(at)CopelandConsulting(dot)Net> |
| Cc: | Hans-Jürgen Schönig <hs(at)cybertec(dot)at>, PostgresSQL Hackers Mailing List <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Threaded Sorting |
| Date: | 2002-10-04 19:15:46 |
| Message-ID: | 200210041915.g94JFkp08331@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
Greg Copeland wrote:
-- Start of PGP signed section.
> I see. I just always assumed that it would be done as part of table
> space effort as it's such a defacto feature.
>
> I am curious as to why no one has commented on the other rather obvious
> performance enhancement which was brought up in this thread. Allowing
> for parallel sorting seems rather obvious and is a common enhancement
> yet seems to of been completely dismissed as people seem to be fixated
> on I/O. Go figure.
We think we are fixated on I/O because we think that is where the delay
is. Is there a reason we shouldn't think that?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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