Master Note: High Undo Space Usage
(Doc ID 1578639.1)
Last updated on APRIL 09, 2020
Oracle Database Cloud Schema 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 Oracle Database Backup Service - Version N/A and later Oracle Database Exadata Express Cloud Service - Version N/A and later Information in this document applies to any platform.
This troubleshooting guide is to identify high undo usage and correct them. This also lists various known issues on high undo usage and their workarounds.
This also explains the method for Sizing Undo Tablespace appropriately.
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!