----- Original Message ----- From: "Thomas Kellerer" <thomas.kellerer@xxxxxxxxxx> To: <oracle-l@xxxxxxxxxxxxx> Sent: Tuesday, November 20, 2012 2:46 PM Subject: Re: Causes for high "Rollback per transaction %" in AWR report | Total per Second per Trans | rollback changes - undo records applied 6 0.00 0.00 | transaction rollbacks 3 0.00 0.00 | user rollbacks 23,511 6.52 0.98 | | So, seeing the low number of "rollback changes", I assume the bottomline is that I don't need to worry and concentrate on the other bottlenecks that we have already identified. | Yes, Almost certainly Regards Jonathan Lewis http://jonathanlewis.wordpress.com/all-postings Author: Oracle Core (Apress 2011) http://www.apress.com/9781430239543 -- //www.freelists.org/webpage/oracle-l