| From: | Marc Spitzer <marc(at)oscar(dot)eng(dot)cv(dot)net> |
|---|---|
| To: | Robert(dot)Farrugia(at)go(dot)com(dot)mt |
| Cc: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: VACUUM in 7.2 |
| Date: | 2002-03-06 19:58:52 |
| Message-ID: | 20020306145852.A2018@oscar.eng.cv.net |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
On Wed, Mar 06, 2002 at 09:57:48AM +0100, Robert(dot)Farrugia(at)go(dot)com(dot)mt wrote:
>
> Hi,
>
> What function does VACUUM play in 7.2 ? Since a normal VACUUM does not
> reclaim space, is it run only to update statistics ?
> Is VACUUM still very slow on very large tables (over 50GB) like in 7.1 ?
>
> Regards
> Robert
In the 7.2 docs it explains what the new and improved vscuum does. It
will go through a table and mark deleted tuples as free so the db can
reuse allocked disk space. there is also a new option that will give
you the old behavior. It is in the 7.2 admin guide chapter 8.
marc
>
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