.Net Agent sending a large amount of (typically backend) traces.

Document ID:  TEC1219994
Last Modified Date:  09/26/2017
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Products

  • CA Application Performance Management

Releases

  • CA Application Performance Management:Release:10.2
  • CA Application Performance Management:Release:10.3
  • CA Application Performance Management:Release:10.5
  • CA Application Performance Management:Release:10.1
  • CA Application Performance Management:Release:10.0
  • CA Application Performance Management:Release:10.5.1

Components

  • WILY INTROSCOPE:APMINT
  • APM AGENTS:APMAGT
Issue:

A .Net Agent (usually backend agents) sends excessive traces that are not for transaction tracing, sampling, auto tracing, etc.

 

Environment:
This issue can affect any APM NET Agent 10.x that has cross process transaction tracing enabled with upstream and downstream agents. This issue do not affect Java Agents
Cause:

Engineering has discovered an issue where upstream .NET agents triggers transaction traces in the downstream .NET agents, the agent propagate traces regardless of there is a tail filter or not when introscope.agent.transactiontracer.tailfilterPropagate.enable=true.

Normally you enable this feature on all the desired agents to include the backend trace data (for example, from the SYSVIEW extension)

This defect#DE250285 has been already fixed in 10.5.2.

 

Workaround:

From the upstream JVMs, you have 2 options:


Option 1) disable CPTT (cross-process transaction tracing)

Comment the below 2 lines in Webservices.pbd
 
TurnOn: WebServicesCorrelationTracing
TurnOn: WCFRuntimeTracing


Option 2) set introscope.agent.transactiontracer.tailfilterPropagate.enable=false

Restart the managed application for the changes to take effect

 

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