3036971 - Performance issue in Process Integration & Orchestration due to Logging API

You have a Process Integration & Orchestration (PI/PO) system and you frequently experience performance issues in it, mainly related to message processing.

If Java Thread Dumps are taken while the issue is happening, you can see several threads with a stack trace similar to this one:

application="sap.com/com.sap.aii.af.app" isapplicationthread="true" tid=0x00002b6ca80a4000 nid=0x584e / 22606  pthread-id=47747057739520 waiting for monitor entry   [_thread_blocked (_at_safepoint), stack(0x00002b6cfa4a6000,0x00002b6cfa6a7000)] [0x00002b6cfa6a0000] top_bci: 0
   java.lang.Thread.State: BLOCKED (on object monitor)
 at com.sap.tc.logging.Log.writeInt(Lcom/sap/tc/logging/LogRecord;)Ljava/lang/String;(Log.java:847)
 - waiting to lock <0x000000074580e9f0> (a com.sap.tc.logging.FileLog)
 at com.sap.tc.logging.Log.writeInternalByAPI(Lcom/sap/tc/logging/LogRecord;)Lcom/sap/tc/logging/LogRecord;(Log.java:901)
 at com.sap.tc.logging.LogController.writeToLogs(Ljava/util/Collection;Lcom/sap/tc/logging/LogRecord;)Lcom/sap/tc/logging/LogRecord;(LogController.java:2890)
 at com.sap.tc.logging.LogController.messageInternal(Lcom/sap/tc/logging/LogRecord;)Lcom/sap/tc/logging/LogRecord;(LogController.java:2010)
 at com.sap.tc.logging.LogController.prepareLogRecord(Lcom/sap/tc/logging/LogRecord;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Lcom/sap/tc/logging/LogRecord;(LogController.java:2112)
 at com.sap.tc.logging.LogController.logTInt(ILcom/sap/tc/logging/LogController;[Lcom/sap/tc/logging/LogController;Ljava/lang/String;Ljava/lang/String;I[Ljava/lang/Object;Ljava/lang/Throwable;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Lcom/sap/tc/logging/LogRecord;(LogController.java:2172)
 at com.sap.tc.logging.LogController.logTInt(ILcom/sap/tc/logging/LogController;[Lcom/sap/tc/logging/LogController;Ljava/lang/String;Ljava/lang/String;I[Ljava/lang/Object;Ljava/lang/Throwable;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Lcom/sap/tc/logging/LogRecord;(LogController.java:2149)
 at com.sap.tc.logging.Location.entering(Ljava/lang/String;[Ljava/lang/Object;)Lcom/sap/tc/logging/LogRecord;(Location.java:8598)
 at com.sap.aii.af.lib.trace.Trace.entering(Ljava/lang/String;[Ljava/lang/Object;)V(Trace.java:146)

SAP NetWeaver  7.5

Performance, Slow, Slowness, Messages, Timeout, Logging, LoggingAPI, API, Thread, Dump, Process Integration, PI, Process Orchestration, PO, NetWeaver, XI, AEX , KBA , BC-XI-CON-AFW , J2EE Adapter Framework , SV-PERF-PI , SAP Process Integration (PI) related performance issues , Problem