Re: Curious about dead rows. - Mailing list pgsql-performance

From Craig James
Subject Re: Curious about dead rows.
Date
Msg-id 473BB6D9.6090908@emolecules.com
Whole thread Raw
In response to Re: Curious about dead rows.  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
Responses Re: Curious about dead rows.  (Jean-David Beyer <jeandavid8@verizon.net>)
List 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?

Craig



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