ORA-4031 And Large Allocation Of "mvobj part des" Memory While Truncating Partitions
(Doc ID 1500356.1)
Last updated on SEPTEMBER 21, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 11.1.0.7 and laterOracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
While performing partition maintenance operations in an environment where the shared pool uses multiple subpools, ORA-4031 errors are encountered, such as:
Please note that the allocation of "mvobj part des" memory is expected while performing partition maintenance operations. Only when the memory remains allocated after the operations are finished, or when the memory allocations are excessively large, then action should be taken. During partition maintenance operations this allocation type increases and stabilizes over time. If it keeps increasing or stabilizes at a very large value, you are probably hitting the issue as described in this document.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |