My Oracle Support Banner

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 11.1.0.7 [Release 10.2 to 11.1]
Information in this document applies to any platform.
This problem can occur on any platform.

Symptoms

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.

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.