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'resmgr:cpu quantum' wait event in 11g when VKRM process is not present (Doc ID 1603996.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.3 [Release 10.2 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 29-Aug-2016***

Symptoms

Many Sessions hangs waiting for 'resmgr:cpu quantum' 

Session section in the trace file shows

Changes

 Using Resource Manager plan (RM plan) for CPU, also switching plans freqently

Cause

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