Database Performance Degradation After Clusterware Upgrade to 11.2
(Doc ID 1558487.1)
Last updated on FEBRUARY 20, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
After upgraded Oracle Clusterware to 11gR2, despite no change to the database, performance degradation observed with mostly IO or CSS related waits.
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