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EM13c : OMS Process takes up high CPU (Doc ID 2431627.1)

Last updated on AUGUST 08, 2018

Applies to:

Enterprise Manager Base Platform - Version 13.1.0.0.0 and later
Information in this document applies to any platform.

Symptoms

Enterprise Manager (EM), Cloud Control Process takes up high CPU.

Top command output shows the OMS process -->  968.7% CPU

$ top -u <OMS PID>

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
28479 omsadm 20 0 46.4g 7.4g 73m S 968.7 2.9 674:55.99 java

STUCK threads are observed in EMGC_OMS1.out:

"[STUCK] ExecuteThread: '13' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon prio=10 tid=0x00007f36f0010800 nid=0x3234 runnable [0x00007f35d6ae5000]
java.lang.Thread.State: RUNNABLE
at java.util.HashMap.put(HashMap.java:494)
at oracle.sysman.eml.agent.client.PluginMetadata.refreshAccessPointBasedTypes(PluginMetadata.java:508)
at oracle.sysman.eml.agent.client.PluginMetadata.isAccessPointBased(PluginMetadata.java:334)
at oracle.sysman.gcagent.oms.TMRemoteClient.isAccessPointBased(TMRemoteClient.java:7424)
at oracle.sysman.gcagent.oms.TMRemoteClient.getTargetInstance(TMRemoteClient.java:640)
at oracle.sysman.gcagent.oms.TMRemoteClient.getTargetInstance(TMRemoteClient.java:625)
at oracle.sysman.emSDK.agent.client.TMClient

Cause

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