Re: [GENERAL] CLUSTER command - Mailing list pgsql-performance

From Lincoln Yeoh
Subject Re: [GENERAL] CLUSTER command
Date
Msg-id 5.1.0.14.1.20021213063727.0278b270@mbox.jaring.my
Whole thread Raw
In response to CLUSTER command  (Jean-Luc Lachance <jllachan@nsd.ca>)
List pgsql-performance
Splitting table files by indexed value may not help if the operating system
doesn't manage to keep the tables unfragmented on disk. I suppose the O/S
should know how to do it though.

Cheerio,
Link.

At 04:31 PM 12/12/02 -0500, Jean-Luc Lachance wrote:

>Hi all,
>
>I just read about the cluster command and was a little (very)
>disapointed.
>Clustered tables do not remain clustered after inserts.
>Clustered tables are usefull when the table is very large and there are
>few different keys.
>
>
>Because the table file is already extended (2G limit) using different
>files extension (.N)
>how complicated (modifying the code) would it be to have the table files
>split according to the cluster key?



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