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VMS, large database

From: Michael Kline <mkline1_at_comcast.net>
Date: Fri, 08 Mar 2002 11:23:28 -0800
Message-ID: <F001.004238B5.20020308112328@fatcity.com>


I have a large 7.4 db running under VMS... Database has limited objects, 125,148 meg, with 1,131 tables and 1,022 indexes. (Total objects = 3,445)

It runs around 256 I/O per sec and 7,011 logical I/O per sec. Fetch vs. Scan is 5%..

They run about 87 db waits per minute and get 176 I/O per wait...

What might I look at to see if they would benefit to go from an 8K blocksize to 16K as they migrate from 7.4 to 8.1.7 I think it is... He's going to build a new database and import. If this would help, it would be the time to do it.

ThinkSpark - Michael Alan Kline, Sr.
Technical Consultant - Richmond, Virginia Office 13308 Thornridge Court; Midlothian, VA 23112, USA. W: 804-744-1545 Cell: 804-314-6262
Michael.Kline_at_ThinkSpark.com
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Author: Michael Kline
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