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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. ------------------------------- Figure 9-35. Shown is the workload diagnostic information. Compared to Figure 9-30, logical IO response time was maintained, Oracle processed fewer logical blocks from 74.7 lio/ms to 20.5 lio/ms, while increasing the SQL execution rate from 27.1 exec/sec up to 29.5 exec/sec! If you have been reading this book sequentially, my hope is you easily followed the preceding performance analysis cycles. In a way, it is a broad review of the key aspects of this book. Each cycle involved conducting an OraPub 3-circle analysis, understanding Oracle internals, performing an ORTA, and anticipating the solution's impact. The following are the key points: * Spot-on diagnosis resulting in very specific and targeting changes. There should be no question about how we arrived at our recommendations. 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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