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Oracle Database 10g Real Application Clusters Handbook by K Gopalakrishnan

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CHAPTER 8RAC Advanced Administration

Managing various types of workloads is a challenging task in the RAC environment. Oracle 10g made this process simpler by introducing services where the workload is split and distributed among the available instances. Also, RAC can relocate services among instances in response to planned and unplanned outages, which greatly extends the availability and scalability of RAC environments.

Understanding Services

Services are used to manage the workload in an RAC environment. They provide a logical way to group a workload so that users employing the same set of data and functionalities can be grouped together to use the same services. For example, an online transaction processing (OLTP) service can be defined for ...

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