You Asked
As per Oracle Document "resmgr:cpu quantum" is scheduler.
This Event wait class is Scheduler.
And I check no any Scheduler run during a time when wait event is occur.
when the resource manager is enabled that wait event occur.
Have any problem if I disable resource manager?
So how to solve this wait event?
and Connor said...
"resmgr:cpu quantum" is indeed related to schedul-ing but the schedul-er.
In this context, we are talking about the scheduling of work on the server. If your machine is under heavy load, or you have assigned different priorities to users/services/etc via the resource manager, then sometimes we need throttle sessions to allow others to get a fair slice of the CPU "pie".
Rather than disabling the resource manager, maybe take a look at what is hammering your system. Resource manager waits like this are not the *cause* of an issue, but more the symptom of something else hammering your machine.
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