Queue Monitor Coordinator Cpu Consumption is High when AQ_TM_PROCESSES=10 (Doc ID 738873.1)

Last updated on AUGUST 29, 2016

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.
***Checked for relevance on 14-June-2013***


Symptoms

The qmon coordinator process (QMNC) is constantly consuming CPU.

aq_tm_processes has been manually set to 10.

oradebug event 10852 trace name context forever, level 32 generates

kwqmnstslv: less than 10s since last failed ksvcreate.
Couldn't start a new slave
kwqmnstslv: less than 10s since last failed ksvcreate.
Couldn't start a new slave

Cause

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