Craig Shallahamer's Blog
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You were brought to this page based on an internet search
and as a free service to Oracle DBAs.
The text below is an except from the book,
Oracle Performance Firefighting, written by
Craig Shallahamer of
OraPub, Inc.
Figures and tables are not included on this page, only their reference.
To order the book in either print or PDF form, click
here.
©2009, 2010 by Craig Shallahamer. This is copyrighted material.
Please—Out of respect for those involved in the creation of the book and also for
their familes, we ask you to respect the copyright both in intent and deed. Thank you.
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<p>* Each recommendation was accompanied with an anticipatory impact shown both graphically and numerically. Even without doing any predictive mathematics, the anticipated performance situation change was clearly evident when presenting the response-time curves, further building consensus around the recommendations.
p><p>* The systematic analysis naturally created an easy-to-follow and convincing story containing plenty of abstraction for the nontechnical folks, as well as specific Oracle internals and even some mathematics to satisfy the more technically astute.
p><p>* There was no finger-pointing. Each subsystem was investigated and possible performance-enhancing changes discussed. The implemented recommendations were objectively selected based on the anticipated impact and ease of implementation. However, there was no discussion about application usage disruption, uptime requirements, and availability requirements. In real life, these issues almost always take precedence over performance.
p>
©2009, 2010 by Craig Shallahamer. This is copyrighted material.
Please—Out of respect for those involved in the creation of the book and also for
their familes, we ask you to respect the copyright both in intent and deed. Thank you.
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