January 2013
Intermediate to advanced
667 pages
19h 20m
English
Content preview from Oracle Exadata Recipes: A Problem-Solution Approach
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CHAPTER 17
I/O Resource Management and Instance Caging
I/O Resource Management (IORM) provides a means to govern I/O from different workloads in the Exadata Database Machine. Database consolidation is a key driver to customer adoption of Exadata, and consolidation means that multiple databases and applications will typically share Exadata storage. Different databases in a shared storage grid typically have different I/O performance requirements, and one of the common challenges with shared storage infrastructures, in general, is that of competing I/O workloads. Non-Exadata Oracle environments historically have attempted to address this challenge ...
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