Re: Threaded Sorting - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Threaded Sorting
Date
Msg-id 200210041915.g94JFkp08331@candle.pha.pa.us
Whole thread Raw
In response to Re: Threaded Sorting  (Greg Copeland <greg@CopelandConsulting.Net>)
Responses Re: Threaded Sorting  (Greg Copeland <greg@CopelandConsulting.Net>)
List 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@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


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