ORA-4031 ("shared pool", ... ,"kgsp-heap", ...)
(Doc ID 1267196.1)
Last updated on APRIL 04, 2025
Applies to:
Oracle Database Cloud Schema Service - Version N/A and laterGen 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
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
- In 11.1.0.6.x, 11.1.0.7.0 or 11.1.0.7.1 , your Alert log shows the following type of error messages:
ORA-04031: unable to allocate ... bytes of shared memory ("shared pool", ... ,"kgsp-heap", ...).
- All tracefiles are pinpointing the ORA-4031 to be raised against "kgs-heap".
- There are more than 4 processor cores and "kgs-heap" is using more than 5% of the shared pool.
- At least 2 or more subpools.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |