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RE: Lots and lots of redo logs

From: Scott Crabtree <scott_at_psscorp.com>
Date: Fri, 14 Sep 2001 09:14:19 -0700
Message-ID: <F001.0038ECB7.20010914090519@fatcity.com>

!! Please do not post Off Topic to this List !!

Christopher R. Spence said:
"Disks are cheap and if you store things on the outer platters performance
will suffer"?

Chris, I'm not sure what you mean here.

The concept of Variable Transfer Rate covers this.

Stealing a quote from: Optimal Storage Configuration Made Easy, By Juan Loaiza, Oracle Corporation

"The transfer rate for a disk drive is not the same for all portions of a
disk.
The outer sectors of a disk drive move by the disk head faster than the inner sections
leading to a faster transfer rate for the outer sectors. This is simply because
of the circular shape of a disk drive."

Scott

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Scott Crabtree
  INET: scott_at_psscorp.com

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Received on Fri Sep 14 2001 - 11:14:19 CDT

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