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ORA-04031 in 11g & 11gR2, Excess "KGH: NO ACCESS" Memory Allocation (Doc ID 1127833.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.2 [Release 11.1 to 11.2]
Information in this document applies to any platform.

Symptoms

An ORA-4031 error is reported by an 11g database, up to version 11.2.0.1.

An examination of the 4031 diagnostics in the trace file shows that in one of the Subpools, a Memory Allocation called "KGH: NO ACCESS" is greater than 80~100Mb.

Further diagnosis for this issue is already documented in the related note for 10gR2:
<Note 801787.1> - Common Cause for ORA-4031 in 10gR2, Excess "KGH: NO ACCESS" Memory Allocation

Cause

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