Oracle Database 11g Oracle Real Application Clusters Handbook, 2nd Edition, 2nd Edition
by K Gopalakrishnan
In a Nutshell
Congratulations! You have just completed learning about the foundations of resource management in Oracle Real Applications Clusters. Global Resource Directory consists of Global Enqueue Services and Global Cache Services, and it is the central reference in resource management in Oracle Real Applications Clusters.
Messaging plays an important role in the lock management and conversion operations. Resources are queued in grant and convert queues, and the traffic controllers avoid message traffic deadlocks with the ticketing mechanism. This chapter also looked at Oracle’s implementation of row-level locks and its CR block fabrication process.
Affinity and read-mostly mechanisms in Dynamic Resource Mastering help GCS to master the resources ...
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