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Why ORA-04031 On Shared Pool During RMAN Back Up Even When Large Pool Is Set? (Doc ID 1169387.1)

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


Following error occurs while performing RMAN back up:

RMAN-03009: failure of backup command on ch0 channel at 07/23/2010 10:39:21
ORA-04031: unable to allocate 7836 bytes of shared memory ("shared pool","unknown object","sga heap(1,0)","ksfqpar")

The LARGE_POOL_SIZE was set.

But the Large Pool was not used and ORA-4031 error occurred.


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