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CHAPTER

11

Global Resource Directory

Welcome to the world of resource management and administration in a parallel computing environment. This chapter provides a detailed discussion about resource management and locking issues as well as the inter-instance coordination activities that take place in the cluster. Understanding the internal workings of locking will help you in architecting Oracle RAC solutions and administering the Oracle RAC environment.

The Oracle RAC environment includes numerous resources, such as multiple versions of data block buffers in buffer caches in different modes. Oracle uses different types of locking and queuing mechanisms ...

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