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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 9.0.1.0 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
Generic UNIX

Purpose

This note was written to help DBAs and Support Analysts understand Inter-Instance Performance and Tuning in RAC.

Scope

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.

Details

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