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ORA-4031: unable to allocate bytes of shared memory shared pool FileOpenBlock (Doc ID 1482202.1)

Last updated on JULY 01, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database 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.

Symptoms

 


Getting error ORA-4031: unable to allocate 2600 bytes of shared memory ("shared
pool","unknown object","sga heap(1,0)","FileOpenBlock").

 

Running following query shows shared pool memory usage increases for the FileOpenBlock objects:

select pool, name, bytes BYTES, bytes/1024/1204 MBYTES from v$sgastat where name='FileOpenBlock';

 

Cause

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In this Document
Symptoms
Cause
Solution
References

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