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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 to [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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