Java Agent has high heap utilization
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Java Agent has high heap utilization


Article ID: 192266


Updated On:


CA Application Performance Management Agent (APM / Wily / Introscope) CA Application Performance Management (APM / Wily / Introscope) INTROSCOPE DX Application Performance Management


Application team has been looking at heap dumps and are alarmed by how much heap space the Introscope Wily agents are using.  They have provided thread and heap dumps.  These are production WebSphere instances running IBM Java v1.8.0_201 x64 and Introscope agents v10.2.0.22 (Build 990022).



Release : 10.2

Component : APM Agents

JDK: IBM Java v1.8.0_201 x64 


Unsupported Agent version and Configuration 


1. Upgrade the agent to supported / compatible Agent.

APM 10.2 is EOS

CA APM Release and Support Lifecycle Dates

2. IBM JVM requires NoRedefNoRetrans  Agent jar and profile;

On an IBM JVM, use the AgentNoRedefNoRetrans.jar file instead of Agent.jar.

3. About agent behavior overhead property

4. DNS Lookup sometime causes high cpu/memory consumption

5. Java Agent High CPU

6. APM - Introscope .Java Agent Troubleshooting and Best Practices