Case Study: Chronic ORA-04031 Errors on 11.2.0.4 RAC Due to Excessive PRTMV Memory Allocation During Partition Maintenance Operations
(Doc ID 2546524.1)
Last updated on APRIL 17, 2023
Applies to:
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
In this case, the issue is observed in three different RAC databases, each on 11.2.0.4, that were experiencing excessive PRTMV memory allocation during weekly partition maintenance operations. The PRTMV memory allocated by the instances reached 100G in some cases:
Example:
This led to ORA-4031 errors, the instance being unresponsive, and the need to restart the instance to finish the maintenance jobs.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |