Question

Wait Event: resmgr:cpu quantum

Asked by: imran_fast

Database; Oracle 10G R2
I check the weekend windows group in the resource manager it was scheduled to run on saturday i changed it to run on thursday and still the activity screen in performace tab of enterprise manager show high activity in the scheduler group.

I saw that no job is running but still it shows high activity for scheduler
Wait Event: resmgr:cpu quantum is too high today and the system is getting slow what can i do to stop this scheduler wait event.

Please advice

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Asked On
2008-01-25 at 21:46:45ID23113049
Tags

oracle

,

oracle 10 g

Topic

Oracle 10.x

Participating Experts
1
Points
500
Comments
4

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Answers

 

by: sonicefuPosted on 2008-01-25 at 23:15:56ID: 20748783

The resmgr: cpu quantum wait event occurs when a process is waiting to be scheduled by Resource
Manager

A high number of occurrences of this event under load does not indicate performance degradation. It is
analogous to counting time spent on the OS queue.

Other wait events may indicate problems that would affect Resource Manager adherence to the plan

what is the output of the following query

select consumer_group_name, cpu_wait_time,
consumed_cpu_time from v$rsrcmgrmetric_history

                                              
1:
2:

Select allOpen in new window

 

by: imran_fastPosted on 2008-01-25 at 23:17:29ID: 20748785

Fixed

using below code i close the window which was active.

BEGIN
    DBMS_SCHEDULER.CLOSE_WINDOW(
         window_name => 'WEEKEND_WINDOW'
    );
END;
/
                                              
1:
2:
3:
4:
5:
6:

Select allOpen in new window

 

by: sonicefuPosted on 2008-01-25 at 23:20:05ID: 20748791

good, imran

you are really fast !

Ajmal

 

by: sonicefuPosted on 2008-01-25 at 23:21:28ID: 20748792

20120131-EE-VQP-002

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