Tuning Inter-Instance Performance in RAC and OPS
(Doc ID 181489.1)
Last updated on MARCH 08, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
This note was written to help DBAs and Support Analysts understand Inter-Instance Performance and Tuning in RAC.
Real Application Clusters uses the interconnect to transfer blocks and messages between instances. If inter-instance performance is bad, almost all database
operations can be delayed. This note describes methods of identifying and resolving inter-instance performance issues.
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