Estimating space needed for UNDO tablespaces

From: Thomas Jeff <jeff.thomas_at_thomson.net>
Date: Fri, 26 Sep 2003 12:34:39 -0800
Message-ID: <F001.005D1354.20030926123439@fatcity.com>

I'm beginning the process of converting over to automatic undo management. I'm wondering as to exactly how large to initially build the UNDO tablespace. Make it roughly the same size as the sum of the current rollback tablespaces? Or has your experience been different, i.e., you've found you've generally needed more or less space with respect to the previous allocation for rollback segments (manual undo)?

Thanks.

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Jeffery D Thomas
DBA
Thomson Information Services
Thomson, Inc.

Email: jeff.thomas_at_thomson.net

Indy DBA Master Documentation available at: http://gkmqp.tce.com/tis_dba

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Author: Thomas Jeff
  INET: jeff.thomas_at_thomson.net

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