C H A P T E R 6
Exadata Parallel Operations
Exadata doesn't have a special way of executing parallel operations that is not available on other platforms running 11gR2. However, parallel processing is a key component of Exadata because efficient handling of Data Warehouse workloads was a primary design goal for Exadata. In addition, because Offloading/Smart Scan depends on direct path reads, which are used by parallel query slaves, parallel operations take on a whole new importance. Traditionally, the use of parallel query has required careful control of concurrency in order to maximize the use of available resources without overwhelming the system. Oracle's previous attempts at throttling parallel operations to allow them to be used in multiuser ...
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