Re: extending relations more efficiently - Mailing list pgsql-hackers

From Robert Haas
Subject Re: extending relations more efficiently
Date
Msg-id CA+Tgmob0-KsEiiAJy19bHhecWoEbjq6NUfvt9ESDX4rjskzJUw@mail.gmail.com
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In response to Re: extending relations more efficiently  (Alvaro Herrera <alvherre@commandprompt.com>)
Responses Re: extending relations more efficiently
List 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
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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