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resource manager consume high CPU

edited Nov 19, 2017 4:05AM in Database Tuning (MOSC) 4 commentsAnswered

Hello,

I have oracle 12c installed on Oracle Linux

i always get alerts from a monitoring tool vROps as (The CPU Usage is currently high)

i checked my AWR Report and i found that Resource Manager as below

Instance CPU

%Total CPU     %Busy CPU     %DB time waiting for CPU (Resource Manager)

88.4                   100.5                   37.9

i checked the current configuration for resource manager plan by:

show parameter resource_manager_plan

NAME                            TYPE   VALUE

------------------------------------ ----------- ------------------------------

resource_manager_plan           string

also i checked DBA_SCHEDULER_WINDOWS view and attached is the output.

i need to know what is the use of resource manager?

and if it's really the issue, why i see it as null as per my previous command?

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