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Re: Curious about dead rows.

From: "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>
To: "Jean-David Beyer" <jeandavid8(at)verizon(dot)net>
Cc: "pgsql performance" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Curious about dead rows.
Date: 2007-11-11 02:11:03
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
On Nov 10, 2007 1:57 PM, Jean-David Beyer <jeandavid8(at)verizon(dot)net> wrote:
> Joshua D. Drake wrote:
> >
> > Truncate will not create dead rows. However ROLLBACK will. Are you
> > getting any duplicate key errors or anything like that when you insert?
> >
> On the mistaken assumption that TRUNCATE left dead rows, I did a
> VACUUM FULL ANALYZE before running the program full of INSERTs. This did not
> make any difference.
> As far as ROLLBACK are concerned, every one is immediately preceded by a
> message output to the standard error file, and no such messages are produced.

So, there are NO failed inserts, and no updates?  Cause that's what
I'd expect to create the dead rows.

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