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3377347 - Performance issue on 1 application server with WP error message "trace is globally locked"


  • Bad performance in one application server of the system.

  • Work processes may not be able to execute requests, and on their trace files, we see following error messages:

    M  *** ERROR => TrILockGlobal: trace is globally locked by <WP number> [trfile.c     7634]
    M  *** ERROR => TrWriteBuffer: failed to lock SHM: cannot save file [trfile.c     1800]
    M  *** ERROR => TrFlushTrace: failed to write buffer to file; buffer will be reverted [trfile.c     2222]

  • The work process indicated on above message that is locking the trace, is running permanently with no termination of the report.



SAP NetWeaver all versions


KBA , BC-CST-LL , Low Level Layers , BC-CST-DP , Dispatcher, Task Handler , SV-PERF , Performance Problems , Problem

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