Memory Leak / ORA-4030 Associated with dbms_aq.dequeue_array
(Doc ID 958610.1)
Last updated on MARCH 05, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 to 22.214.171.124 [Release 10.2 to 11.1]
Information in this document applies to any platform.
This problem can occur on any platform.
AQ dequeue is using array dequeue : dbms_aq.dequeue_array ;
queue is of type sys.xmltype ;
Memory leak is observed with the following characteristics :
Heap "koh dur heap d" shows the highest memory allocation;
Within this heap, most of the allocations relate to subheap : "qmxtigcp:heap".
The above may also lead to ora-4030 errors encountered by the dequeuing process.
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