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Re: How to speedup index rebuild

From: Patti Johnson <pjohns2_at_tampabay.rr.com>
Date: Sun, 04 May 2003 07:46:35 -0800
Message-ID: <F001.0058F0A0.20030504074635@fatcity.com>


If possible consider setting the tablespace that holds the table data as 'read only' for the duration of the index rebuild. Also the parallel option can help, just make sure you have multiple datafile in the index tablespace to table advantage of spreading the i/o across multiple disks.

> Hi all -
> We are on 8.1.7.4 and HP11. I am rebuilding all indexes in the database
and
> wonder if DBAs out there can give me some tips on how to speed things up.
> I am aware of some of the things that need to be done, like using
> 'nologgin', increasing sort area size and buffer cache, shared pool. I
have
> tried them all and so far the results have not been satisfactory. I am
> wondering if I missed something important.
>
> TIA
>
> Dennis
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Meng, Dennis
> INET: Dennis.Meng_at_alcoa.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Patti Johnson
  INET: pjohns2_at_tampabay.rr.com

Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
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Received on Sun May 04 2003 - 10:46:35 CDT

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