ORA-04031 in 11g & 11gR2, Excess "KGH: NO ACCESS" Memory Allocation
(Doc ID 1127833.1)
Last updated on FEBRUARY 20, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 to 126.96.36.199 [Release 11.2]
Oracle Database - Enterprise Edition - Version 188.8.131.52 to 184.108.40.206 [Release 11.1 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
An ORA-4031 error is reported by an 11g database, up to version 220.127.116.11.
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
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