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ORA-04031 Due to High Growth in "init_heap_kfsg" Heap during RMAN Backup (Doc ID 2591444.1)

Last updated on MAY 05, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

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;

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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