Performance Degradation as a Result of 'enq: CF - contention'
(Doc ID 1072417.1)
Last updated on NOVEMBER 17, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 9.2.0.1 to 11.2.0.3 [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.
Symptoms
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.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |