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-Original Message-
From: [EMAIL PROTECTED] [mailto:pgsql-hackers-
[EMAIL PROTECTED] On Behalf Of Tom Lane
Sent: Wednesday, February 15, 2006 5:22 PM
To: Ron
Cc: pgsql-performance@postgresql.org; pgsql-hackers@postgresql.org
Subject: Re: [HACKERS] qsort again (was Re: [PERFORM
Gary Doades [EMAIL PROTECTED] writes:
I think the reason I wasn't seeing performance issues with normal sort
operations is because they use work_mem not maintenance_work_mem which was
only set to 2048 anyway. Does that sound right?
Very probable. Do you want to test the theory by jacking that
I wrote:
Gary Doades [EMAIL PROTECTED] writes:
Ouch! That confirms my problem. I generated the random test case because
it was easier than including the dump of my tables, but you can
appreciate that tables 20 times the size are basically crippled when it
comes to creating an index on
