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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. ------------------------------- * The last allocation pointer designates the end point for the last redo log buffer space allocation and also points to the beginning of the next allocation point. The various markers in Figure 8-3-for example, marker MK100-are used to describe specific redo-related scenarios discussed in the following sections. Figure 8-3. Shown is an abstracted redo log buffer, indicating the two pointers: the last redo allocation pointer and the last redo write pointer. The various markers (MK...) are used in describing specific scenarios in the text. 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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