ORA-4031 And Large Allocation Of "mvobj part des" Memory While Truncating Partitions
(Doc ID 1500356.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
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.
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