| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Mark Kirkwood <markir(at)paradise(dot)net(dot)nz>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: TODO Item - Add system view to show free space map |
| Date: | 2005-10-28 11:31:26 |
| Message-ID: | 20051028113126.GA24999@surnet.cl |
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| Lists: | pgsql-hackers 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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