Horton

Re: extending relations more efficiently

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Alvaro Herrera <alvherre@commandprompt.com>
Cc: Jeroen Vermeulen <jtv@xs4all.nl>, Andres Freund <andres@anarazel.de>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2012-05-02T16:55:17Z
Lists: pgsql-hackers 
On Wed, May 2, 2012 at 12:46 PM, Alvaro Herrera
<alvherre@commandprompt.com> wrote:
> Agreed.  Perhaps to solve this issue what we need is a way to migrate
> tuples from later pages into earlier ones.  (This was one of the points,
> never resolved, that we discussed during the VACUUM FULL rework.)

Yeah, I agree.  And frankly, we need to find a way to make it work
without taking AccessExclusiveLock on the relation.  Having to run
VACUUM FULL is killing actual users and scaring off potential ones.

-- 
Robert Haas
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