Performance issues when running a SAP Upgrade on Oracle databases
Several times we face performance issues when running SAP upgrades on Oracle databases, usually there are few aspects that should be checked in order to improve the performance.
For such analysis I’ve created a KBA (see below) that talks about some important points that need to be followed and proper tuning the oracle database, so if you face any performance issues during the upgrade ensure that steps mentioned on below KBA are in place.
Performance issues when running a SAP Upgrade
Hope this helps you on future upgrades.