FMW 126.96.36.199: OPMN Consumes Very High CPU Usage and Generates a lot of "checking receive queue" Debug Messages
(Doc ID 2423833.1)
Last updated on MARCH 19, 2021
Applies to:Oracle Fusion Middleware - Version 188.8.131.52.0 to 184.108.40.206.0 [Release Oracle11g]
Information in this document applies to any platform.
After starting up OPMN and managed components, the OPMN process may consume very high CPU usage.
There were a lot of "checking receive queue" messages appear in the INSTANCE_HOME/diagnostics/logs/OPMN/opmn/opmn.log if setting log level to debug:
The INSTANCE_HOME/diagnostics/logs/OPMN/opmn/opmn.log shows:
The issue may happen in various system components in Oracle Fusion Middleware 220.127.116.11, e.g. Oracle HTTP Server (OHS), Oracle Internet Directory (OID), Oracle Virtual Directory (OVD) and Business Intelligence Suite Enterprise Edition (BIEE).
The issue may happen during running OPMN without special operations.
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