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High CPU Load and Disk Utilization 100% on one node impact database slowness (Doc ID 2710455.1)

Last updated on MARCH 20, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

Observed high CPU utilization on one of the node out of 4 node cluster. 

AWR Report shows abnormal behavior 

Host CPU

CPUs   Cores    Sockets    Load Average Begin     Load Average End    %User     %System     %WIO     %Idle
32         32           4            2.4E+03                      2.4E+03               5.0              1.8           93.1      93.1     >>> High %WIO and load average is huge. 

 

Cause

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In this Document
Symptoms
Cause
Solution


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