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VMS, large database

From: Michael Kline <mkline1_at_comcast.net>
Date: Wed, 13 Mar 2002 08:03:42 -0800
Message-ID: <F001.00427463.20020313080342@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.

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Author: Michael Kline
  INET: mkline1_at_comcast.net

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Received on Wed Mar 13 2002 - 10:03:42 CST

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