Killed Session Are Not Cleaned By PMON, Sessions are part of Distributed Transactions
(Doc ID 1581551.1)
Last updated on FEBRUARY 24, 2019
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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
Information in this document applies to any platform.
Due to application design, database has some inactive sessions remaining in database. When these sessions are killed manually in the database using alter system and killed at OS level using kill -9 as well , sessions still remain in database (v$session) . OS session goes away but database session does not.
Patch 16494960 does not resolve the problem.
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