Sessions Hang on Wait Event "WAIT FOR EMON PROCESS NTFNS"
Last updated on MAY 04, 2017
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 and later
Information in this document applies to any platform.
OCI based DB change notification
EMON spin with high CPU usage
EMN0 locks affected multiple applications for a few hours.
Performance suffers until DBCN Database Change Notification is disabled.
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