Analyzing 'enq: HW - contention' Wait Event
(Doc ID 740075.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
***Checked for relevance on 29-Aug-2016***
1. There is a performance slow down with a large number of waits for 'enq HW - contention'.
2. ASH Reports shows the wait event 'enq HW - contention' which includes SQL with LOB Objects.
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