| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
| Cc: | Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Clustering system catalog indexes |
| Date: | 2004-05-20 01:43:22 |
| Message-ID: | 200405200143.i4K1hMe09781@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
Christopher Kings-Lynne wrote:
> Is it worth us marking any system catalog indexes as clusterable by
> default for performance?
Not sure. Most of the system stuff is loaded in a pretty good order, and
cluster is only good if you are going after seveal rows of identical
value or similar value in the same table, and I can't think of a case
where this would help. Can others? It is a good question.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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