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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. ------------------------------- 1 From the "Oracle TimesTen In-Memory Database" document (http://www.oracle.com/technology/products/timesten/pdf/ds/ds_timesten_imdb.pdf). 2 The database writer is more correctly called the dirty buffer writer, since it writes only dirty buffers from the buffer cache to disk. But it is nearly always referred to as the databse writer (DBWR for short). In fact, if you said "dirty buffer writer," you would get some blank stares. 3 Speaking as a buffer, it's my goal to remain in the cache. Being a popular buffer will increase my likelihood of remaining in the cache. And being a popular dirty buffer, well, that carries a certain mystique. 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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