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Awr Reports hang, MMon secondary are waiting on resmgr:cpu quantum (Doc ID 1530676.1)

Last updated on JULY 08, 2021

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


Symptoms

On : 11.2.0.3 version, RDBMS

AWR reports won't run, they just hangs.

MMon secondary (m000-m003) are all waiting on resmgr:cpu quantum.

Changes

 Disabled default maintenance plan following:

High "Resmgr:Cpu Quantum" Wait Events In 11g Even When Resource Manager Is Disabled (Doc ID 949033.1)

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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