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Performance Degradation as a Result of 'enq: CF - contention' (Doc ID 1072417.1)

Last updated on DECEMBER 17, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
***Checked for relevance on 20-Jan-2012***
*** Checked for relevance on 12-Apr-2016 ***


You are seeing sessions waiting for 'enq: CF - contention' or this wait event is appearing in the top 5 wait events in an AWR or statspack report.


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