From: Tom Lane <tgl@sss.pgh.pa.us>
To: Bryce Nesbitt <bryce1@obviously.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Very slow DELETE on 4000 rows of 55000 row table
Date: Tue, 03 Apr 2007 03:04:00 -0400
Message-ID: <21308.1175583840@sss.pgh.pa.us> (raw)
In-Reply-To: <4611EFE1.5010400@obviously.com>
References: <4611EFE1.5010400@obviously.com>
Bryce Nesbitt <bryce1@obviously.com> writes:
> I've got a DELETE FROM that seems to run forever, pegging the CPU at
> 100%. I can't figure out why it's slow. Any clues?
Unindexed foreign key constraints pointing to this table, perhaps?
EXPLAIN ANALYZE would give a great deal more clue than plain EXPLAIN.
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, bryce1@obviously.com
Subject: Re: Very slow DELETE on 4000 rows of 55000 row table
In-Reply-To: <21308.1175583840@sss.pgh.pa.us>
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