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CA APM Cluster is unstable. Seeing message: "TransactionTrace arrival buffer full, discarding trace(s)."


Article ID: 5223


Updated On:


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


  CA APM Collectors starts to slow down after few hours.

IntroscopeEnterpriseManager Log contains many of the following informational messages:

[INFO] [PO:WatchedAgentPO Mailman ##] [Manager] TransactionTrace arrival buffer full, discarding trace(s)





  CA APM Team Center uses Transaction trace data as the source for the Team Center Map by default. This causes the MOM to retrieve the Transaction Traces Data from Agents, occasionally which slows down the Collectors. However, the data source can be switched to use the Triage map data using the property in =

When set to false (default), appmap data derived from transaction traces will be used

When set to true, legacy appmap data sent by the agents will be used



CA APM 10.0CA APM 10.1CA APM 10.2CA APM 10.3



Set the below property to true on the MOM and Collectors and restart the APM Cluster.



Additional Information

Switching Data Source

Addressing "arrival buffer full error"

APM Team Center Map - Frontends & Backends