ORA-4031 DUE TO LARGE KTC LATCH SUBH ALLOCATION
(Doc ID 1943692.1)
Last updated on FEBRUARY 18, 2019
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
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 Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
This issue was observed in 188.8.131.52
The symptoms are:
ORA-4031 errors when accessing LOB objects.
The heapdump will show the largest memory area is 'KTC latch subh'.
The fix for Bug 13430938 is already installed
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