AWR Snapshots are not Generated. Trace file shows: "KEBM: MMON action policy violation. 'Block Cleanout Optim, Undo Segment Scan' viol=1; err=12751"
(Doc ID 1932462.1)
Last updated on MARCH 12, 2021
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
- AWR snapshots are not generated as per interval specified
- During AWR flush, you may see ORA-12751 "cpu time or run time policy violation" : Indicating that MMON slave actions have been suspended.
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document