Primary Note for AQ Queue Monitor Process (QMON)
(Doc ID 305662.1)
Last updated on JULY 23, 2021
Oracle Database Backup Service - Version N/A and later Oracle Database Cloud Exadata Service - Version N/A and later Oracle Database Cloud Service - Version N/A and later Oracle Database - Standard Edition - Version 188.8.131.52 to 184.108.40.206 [Release 9.2 to 11.2] Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 8.1.7 to 12.1] Information in this document applies to any platform.
In this article, we will discuss the following
1. The Queue Monitor Coordinator process (QMNC) , the Queue Monitor Server Processes (QXXX) and Task Operations which can be assigned to these processes. Collectively these processes are named the Queue Monitor processes or QMON processes.
2. Known issues which affect these processes.
3. How to collect useful diagnostic information when problems arise with them.
Database administrators of Advanced Queueing (AQ) and Streams databases.
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