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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. ------------------------------- 6 Oracle obviously is keeping its options open; for example, the Oracle Database 11g result cache memory chunks are 1KB. 8 Well, almost never. As of Oracle Database 11g, when features like streams, data guard, log miner, and flashback are used, Oracle disables IMU. Apparently, some serialization issues have caused recovery problems. I suspect this limitation will be resolved over time. 9 It always bothers me when Oracle doesn't use its own features. Are they trying to tell us something? 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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