Skip site navigation (1) Skip section navigation (2)

Re: Insertion to temp table deteriorating over time

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Steven Flatt" <steven(dot)flatt(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Insertion to temp table deteriorating over time
Date: 2006-12-15 19:30:26
Message-ID: 20792.1166211026@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-performance
"Steven Flatt" <steven(dot)flatt(at)gmail(dot)com> writes:
> I've been trying to reproduce the problem for days now :).  I've done pretty
> much exactly what you describe below, but I can't reproduce the problem on
> any of our lab machines.  Something is indeed special in this environment.

Yuck.  You could try strace'ing the problem backend and see if anything
is visibly different between fast and slow operation.  I don't suppose
you have oprofile on that machine, but if you did it'd be even better.

			regards, tom lane

In response to

Responses

pgsql-performance by date

Next:From: Bruno Wolff IIIDate: 2006-12-15 21:12:47
Subject: Re: File Systems Compared
Previous:From: Steven FlattDate: 2006-12-15 19:21:01
Subject: Re: Insertion to temp table deteriorating over time

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group