| From: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
|---|---|
| To: | "Jim C(dot) Nasby" <decibel(at)decibel(dot)org> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org> |
| Subject: | Re: Maintaining cluster order on insert |
| Date: | 2007-05-16 14:32:15 |
| Message-ID: | 464B15EF.4000808@enterprisedb.com |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
Jim C. Nasby wrote:
> What about adding the ability to ask the FSM for a page that's near a
> given page? That way if you did have to go to the FSM you could at least
> try and insert close to the page you originally wanted.
Yeah, there's always room for improvement. I made the patch when I was
working on clustered indexes, and was mostly concerned about getting
inserts to the same page as other tuples with similar values so that the
clustered index stays clustered.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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