Re: TODO Item - Add system view to show free space map - Mailing list pgsql-patches

From Alvaro Herrera
Subject Re: TODO Item - Add system view to show free space map
Date
Msg-id 20051028113126.GA24999@surnet.cl
Whole thread Raw
In response to Re: TODO Item - Add system view to show free space map  (Simon Riggs <simon@2ndquadrant.com>)
Responses Re: TODO Item - Add system view to show free space map
List pgsql-patches
Simon Riggs wrote:
> On Fri, 2005-10-28 at 13:21 +1300, Mark Kirkwood wrote:
>
> >      regression=# SELECT c.relname, m.relblocknumber, m.blockfreebytes
> >                   FROM pg_freespacemap m INNER JOIN pg_class c
> >                   ON c.relfilenode = m.relfilenode LIMIT 10;
>
>
> I like this, but not because I want to read it myself, but because I
> want to make autovacuum responsible for re-allocating free space when it
> runs out. This way we can have an autoFSM feature in 8.2

What do you mean, re-allocating free space?  I don't understand what you
are proposing.

--
Alvaro Herrera                  http://www.amazon.com/gp/registry/5ZYLFMCVHXC
"Use it up, wear it out, make it do, or do without"

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