SAP Knowledge Base Article - Preview

1781123 - Performance data collection degrades PI Adapter Engine performance

Symptom

  • Messages are stuck in 'Delivering' (DLNG) and/or 'To be Delivered' (TBDL) state on the Adapter Engine Messaging System.
  • Performance data collection is enabled.
  • Thread dumps exhibit many (some blocked) application threads used for performance data collection e.g.
SAPEngine_Application_Thread[impl:3]_10" tid=0x11d444300 state:CW
nid=0x5d4005b prio=5
,,at com.sap.aii.af.service.statistic.impl.PerformanceAccumulatorObject.
compareTo(PerformanceAccumulatorObject.java:690(Compiled Code)
,,- waiting for <0x11cad8760> (a Thread public flags mutex lock)
,,at java.util.TreeMap.compare(TreeMap.java:1107(Compiled Code)
,,at java.util.TreeMap.getEntry(TreeMap.java:368(Compiled Code)
,,at java.util.TreeMap.containsKey(TreeMap.java:226(Compiled Code)
,,at com.sap.aii.af.service.statistic.PerformanceMonitorManager


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Environment

  • PI Release Independent
  • SAP NetWeaver
  • SAP Process Integration

Product

SAP Exchange Infrastructure 3.0 ; SAP NetWeaver Process Integration 7.1 ; SAP enhancement package 1 for SAP NetWeaver 7.0

Keywords

profile.performance.runtime , KBA , BC-XI-CON-AFW , J2EE Adapter Framework , SV-SMG-DIA , Diagnostics , BC-XI-IS-WKB , Runtime Workbench / Monitoring , BC-XI-CON-MSG , Messaging System , Problem

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