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Re: Curious about dead rows.

From: Craig James <craig_james(at)emolecules(dot)com>
To: pgsql performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Curious about dead rows.
Date: 2007-11-15 03:02:49
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
Alvaro Herrera wrote:
> To recap:
> - your app only does inserts
> - there has been no rollback lately
> - there are no updates
> - there are no deletes
> The only other source of dead rows I can think is triggers ... do you
> have any?  (Not necessarily on this table -- perhaps triggers on other
> tables can cause updates on this one).
> Oh, rolled back COPY can cause dead rows too.

What about an unreliable network that causes lot of disconnects?  Wouldn't the server process do a rollback?


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