ORA-04031 errors due to "KQR X PO" (RAC) or "KQR L PO"
Last updated on NOVEMBER 28, 2016
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 11.2]
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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