| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
| Cc: | Jeroen Vermeulen <jtv(at)xs4all(dot)nl>, Andres Freund <andres(at)anarazel(dot)de>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: extending relations more efficiently |
| Date: | 2012-05-02 16:55:17 |
| Message-ID: | CA+Tgmob0-KsEiiAJy19bHhecWoEbjq6NUfvt9ESDX4rjskzJUw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, May 2, 2012 at 12:46 PM, Alvaro Herrera
<alvherre(at)commandprompt(dot)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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