Clamp value of 50000 has been reached.

Products

• APP PERF MANAGEMENT
• CA Application Performance Management Agent (APM / Wily / Introscope)
• CUSTOMER EXPERIENCE MANAGER
• INTROSCOPE

Issue/Introduction

The following message was output repeatedly in InfrastructerAgent.

[WARN] [IntroscopeAgent.InfrastructureAgent] 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.debug(ADefaultModuleFeedbackChannel.java:449)
at com.wily.util.feedback.DelegatingFeedbackChannel.debug(DelegatingFeedbackChannel.java:15)
at com.wily.introscope.epagent.ClassPlugin.runClassWithPrintStream(ClassPlugin.java:190)
at com.wily.introscope.epagent.ClassPlugin.doRunPlugin(ClassPlugin.java:119)
at com.wily.introscope.epagent.EPAPlugin.runForever(EPAPlugin.java:232)
at com.wily.introscope.epagent.EPAPlugin.run(EPAPlugin.java:145)
at java.lang.Thread.run(Thread.java:748)

"Historical Metric Count" was less than 300.

Please tell me the cause.

Environment

Agent 10.X

Resolution

This message is output when there are many messages repeatedly output in the log.

It can change the default value of 50000 by setting the following parameters at application startup.
-Dwily.AsyncLoggingClamp = <clamp_value>
Setting 500000 to <clamp_value> suppresses the output of the message of Clamp value of 50000 has been reached.

This wily.AsyncLoggingClamp is set to control when a large number of messages are logged at the time of product test, and it is possible to use it but it has not been published.