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by Craig Shallahamer Get the book here |
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Craig Shallahamer's Blog
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. ------------------------------- As we hoped, we are within 10%. If we are not within 15%, we can still use our graph for informational purposes, but for numerically quantifying and anticipating our solution's impact (as described later), it will not be reliable. It is finally time to introduce the basic response-time graph formula. The following is the response-time formula shown in three different forms: The first form simply states that response is the sum of service time and queue time. The second is the classic response time formula. The third replaces the utilization symbol with the utilization formula, which can be handy if the utilization is unknown.6 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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