ORA-4031 In Partition Maintenance Job From Subpool Imbalance (Doc ID 811974.1)

Last updated on JANUARY 16, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.2 to 10.2.0.4 [Release 10.2]
Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

You may be encountering ORA-4031 issues when there are multiple subpools to the SGA.

In this example of the issue, a partition maintenance job regularly generated the ORA-4031.

If you review the ORA-4031 file you may see most of the subpool allocations are for "mvobj part des" despite having the patch for <Bug 5618049> already installed and the attending event 14532 already set.

You may check the subpool sizes by running this SQL statement:

Cause

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