If your application scales transparently on SMP machines, it is realistic to expect it to scale well on RAC, without having to make any changes to the application code.
RAC eliminates the database instance, and the node itself, as a single point of failure, and ensures database integrity in the case of such failures.
The following are some scalability examples:
RAC eliminates the database instance, and the node itself, as a single point of failure, and ensures database integrity in the case of such failures.
The following are some scalability examples:
- Allow more simultaneous batch processes.
- Allow larger degrees of parallelism and more parallel executions to occur.
- Allow large increases in the number of connected users in online transaction processing (OLTP) systems.
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