SAP Knowledge Base Article - Preview

1781123 - Performance data collection degrades PI Adapter Engine performance


  • 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
compareTo( Code)
,,- waiting for <0x11cad8760> (a Thread public flags mutex lock)
,,at Code)
,,at java.util.TreeMap.getEntry( Code)
,,at java.util.TreeMap.containsKey( Code)



  • PI Release Independent
  • SAP NetWeaver
  • SAP Process Integration


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


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

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.