ORA-04031 errors due to "KQR X PO" (RAC) or "KQR L PO"
(Doc ID 1479756.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11 [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
An ORA-4031 error can occur due to very large "KQR X PO" memory allocations in the shared pool.
The allocations occur when issuing partition DDL operations.
The allocations do not reduce significantly when flushing the shared pool with ALTER SYSTEM FLUSH SHARED_POOL.
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In this Document
|Memory Leaks for "KQR X PO"|
|Memory Leaks for "KQR L PO"|