UMA Agent - Openshift Container Agent metric clamp

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Article ID: 192550

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Updated On:

Products

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

Issue/Introduction

 [WARN] [IntroscopeAgent.CleanupApmData] Clamp value of 50000 has been reached. No more logging will occur

java.lang.Throwable: Clamp limit reached

        at com.wily.util.feedback.AsynchFeedbackChannel$AsyncLoggingBehavior.log(AsynchFeedbackChannel.java:435)

        at com.wily.util.feedback.AsynchFeedbackChannel.doLog(AsynchFeedbackChannel.java:276)

        at com.wily.util.feedback.ABufferedApplicationFeedbackChannel.logbottleneck(ABufferedApplicationFeedbackChannel.java:85)

        at com.wily.util.feedback.ADefaultModuleFeedbackChannel.log(ADefaultModuleFeedbackChannel.java:485)

        at com.wily.util.feedback.ADefaultModuleFeedbackChannel.log(ADefaultModuleFeedbackChannel.java:479)

        at com.wily.util.feedback.ADefaultModuleFeedbackChannel.verbose(ADefaultModuleFeedbackChannel.java:437)

        at com.wily.util.feedback.DelegatingFeedbackChannel.verbose(DelegatingFeedbackChannel.java:201)

        at com.ca.apm.openshift.CleanupApmData.run(CleanupApmData.java:74)

        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)

        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)

        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)

        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

        at java.lang.Thread.run(Thread.java:748)

 [WARN] [IntroscopeAgent.InfrastructureAgent] Absolute metric clamp of 50000 reached, no more metrics can be created.  Instrumentation on this application should be reduced.

 [WARN] [IntroscopeAgent.InfrastructureAgent] Note: if no more metrics can be created when the agent starts up, there may be exceptions in the startup process. Increasing the clamp value may solve these exceptions.

Cause

Agent default Metric clamp 

Environment

Release : 11.1

Component : Openshift APM Agents

Resolution

Per engineering, increased the value to 250k (to match the EM Agent metric clamp size) .



caagent-openshiftmonitor.yml

name: apmenv_introscope_agent_metricClamp

value: 250000