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High value of Rollback per transaction % in AWR report

edited Apr 8, 2013 9:18PM in Database Tuning (MOSC) 5 commentsAnswered

My DB is very High value of Rollback per transaction %  in AWR report.

why is Rollback per transaction high?

what can I do for searching the reason, query?

Load Profile

 Per Second Per Transaction
Redo size: 1,063.67 924.23
Logical reads: 228.63 198.66
Block changes: 2.71 2.36
Physical reads: 13.36 11.61
Physical writes: 0.24 0.21
User calls: 64.58 56.11
Parses: 53.15 46.19
Hard parses: 0.05 0.04
Sorts: 41.25 35.85
Logons: 10.17 8.83
Executes: 44.38 38.56
Transactions: 1.15  


% Blocks changed per Read: 1.19 Recursive Call %: 84.76
Rollback per transaction %: 87.50 Rows per Sort: 0.63

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