ORA-4031 in Partition Maintenance Job From Subpool Imbalance
(Doc ID 811974.1)
Last updated on JULY 31, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.2 to 10.2.0.4 [Release 10.2]
Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.
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:
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