Oracle Performance Tuning 101 by Gaja Krishna Vaidyanatha and Kirtikumar
Deshpande
>From: Anthony Hogan <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
>Subject: RE: Increasing Freelists?
>Date: Fri, 15 Jun 2001 12:01:04 -0800
>
>what is the name of the book by Gaja that you are referring to ?
>
>-----Original Message-----
>Sent: Friday, June 15, 2001 3:31 PM
>To: Multiple recipients of list ORACLE-L
>
>
>We've been load testing an application that will be allowing customers to
>enter their email information through the web. The loadrunner application
>was experiencing periodic freezing after which it would go back to normal.
>Reviewing the statspack information I saw a high number of buffer busy
>waits
>with the majority of the buffer waits being data block waits. This is not
>surprising, since the application is doing heavy inserts into several
>tables.
>The recommendation from an article I have is to create multiple freelists
>for the tables undergoing heavy inserts. I've never done this before and I
>have no idea of how many to create. Increase the freelists from 1 to 2?
>More? What about freelist groups?
>
>And am I correct that the table must be dropped and recreated to increase
>this parameter?
>
>I was hoping to have read Gaja's book before I had to deal with this but
>it's still in the mail :).
>
>Thanks in advance.
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>Author: Miller, Jay
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>Author: Anthony Hogan
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