ORA-04031 Due to High Growth in "init_heap_kfsg" Heap during RMAN Backup
(Doc ID 2591444.1)
Last updated on MARCH 24, 2021
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Information in this document applies to any platform.
The following error is seen in database alert.log file:
ORA-04031: unable to allocate 40 bytes of shared memory ("shared pool","unknown object","KGLH0^b9f3a242","kglHeapInitialize:temp")
This issue occurs during RMAN backup and even though the failed allocation is from KGLH0, the problem is due to high growth of init_heap_kfsg heap in the shared pool as seen below;
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