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enq: TX - row lock contention

edited Dec 1, 2017 4:00AM in Database Tuning (MOSC) 4 commentsAnswered

enq: TX - row lock contention is showing high value in statpack report

Top 5 Timed Events                                                    Avg %Total

~~~~~~~~~~~~~~~~~~                                                   wait   Call

Event                                            Waits    Time (s)   (ms)   Time

----------------------------------------- ------------ ----------- ------ ------

enq: TX - row lock contention                    1,092     298,956 ######   96.6

direct path read                             2,784,617       7,797      3    2.5

CPU time                                                     1,408            .5

db file sequential read                        425,129         989      2     .3

control file sequential read                   257,730          81      0     .0

          -------------------------------------------------------------

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