My Oracle Support Banner

Intermittently PROCESSED Messages Are Not Removed from Queue Tables by the QMON Processes (Doc ID 752708.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 11.2]
HP-UX Itanium


Intermittently PROCESSED messages are not being removed from queue tables.

Attaching to the qmon processes via oradebug and generating an errorstack causes the PROCESSED messages to be removed. Stack trace generated matches that in <Note:580273.1>.

Additionally issuing

alter system set aq_tm_processes=0 scope=memory;


alter system set aq_tm_processes=1 scope=memory;

restarts the qmon slave process and temporarily works around the issue.

The problem is only observed on the HP-UX Itanium port.


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

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