ORA-04031 errors due to "KQR X PO" (RAC) or "KQR L PO" (Doc ID 1479756.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.3 [Release 11.2]
Information in this document applies to any platform.

Symptoms

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.

Cause

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