| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Gregory Stark <stark(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Free Space Map thoughts |
| Date: | 2007-11-09 12:50:02 |
| Message-ID: | 20071109125001.GB2768@alvh.no-ip.org |
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| Lists: | pgsql-hackers |
Heikki Linnakangas wrote:
> - We need a solution for the indexes as well. A separate file would fit
> nicely for them, though the contents would be different because for indexes
> we only care if a page is unused or not.
FWIW I think it's worth considering that we may be interested in keeping
closer track of free space in index pages, so that we can eventually
implement some heuristic for when to merge partially-empty pages.
--
Alvaro Herrera http://www.amazon.com/gp/registry/CTMLCN8V17R4
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