Re: [GENERAL][ADMIN]data fragmentation - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: [GENERAL][ADMIN]data fragmentation
Date
Msg-id 20031216220314.GE14503@dcc.uchile.cl
Whole thread Raw
List pgsql-hackers
On Fri, Dec 12, 2003 at 09:59:23AM +0530, Somasekhar Bangalore wrote:
> Hi,
>
> I too had the same problem;  There was one query which used to take a
> very long time. What I did was, I took a backup of the whole database.
> Reinstalled postgres on a different mount point and restored the data
> back into the new database. Now my queries are running faster. Try it.
> All the very best.

You could instead apply CLUSTER to the affected tables.  (I'm assuming you
already apply VACUUM periodically and REINDEX as appropiate)

--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"Everybody understands Mickey Mouse. Few understand Hermann Hesse.
Hardly anybody understands Einstein. And nobody understands Emperor Norton."

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