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CHAPTER 13 Workload and Connection Manag... > Workload Distribution and Load Balan...

Workload Distribution and Load Balancing

Workload distribution can sometimes be called load balancing. Workload distribution is the management of user connections in such a way that the work they perform is distributed uniformly across Oracle RAC nodes or cluster database instances. It does not necessarily mean that the work itself is evenly spread between nodes due to this mechanism. The distribution of work is an indirect result of the connection distribution.

The workload distribution strategy must be determined during the test implementation phase of application deployment (if not earlier) to make it clear how the application is actually going to connect to the various nodes and database instances. Designers and architects should work out the application behavior with adequate testing to understand how the system performs under a given workload; this information provides a benchmark for the live implementation.


  

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