Re: Causes for high "Rollback per transaction %" in AWR report

  • From: "Jonathan Lewis" <jonathan@xxxxxxxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Tue, 20 Nov 2012 15:21:28 -0000

----- 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

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