High CPU (%sys) Usage On Oracle Linux 6 UEK3 RAC Node

(Doc ID 2241615.1)

Last updated on MARCH 08, 2017

Applies to:

Linux OS - Version Oracle Linux 6.1 and later
Linux x86-64

Symptoms

On Oracle Linux 6 server running as Oracle RAC node, High %sys CPU usage can be observed from top output:

 

Changes

 

Cause

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