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PM30324: RMF REPORTS FROM V6.1 CONTAIN INFLATED QUEUE DELAY

Fixes are available

6.1.0.37: Java SDK 1.5 SR12 FP3 Cumulative Fix for WebSphere
7.0.0.17: Java SDK 1.6 SR9 FP1 Cumulative Fix for WebSphere Application Server
6.1.0.47: WebSphere Application Server V6.1 Fix Pack 47
7.0.0.27: Java SDK 1.6 SR13 FP2 Cumulative Fix for WebSphere Application Server
6.1.0.39: Java SDK 1.5 SR12 FP4 Cumulative Fix for WebSphere Application Server
6.1.0.41: Java SDK 1.5 SR12 FP5 Cumulative Fix for WebSphere Application Server
6.1.0.43: Java SDK 1.5 SR13 Cumulative Fix for WebSphere Application Server
6.1.0.45: Java SDK 1.5 SR14 Cumulative Fix for WebSphere Application Server
6.1.0.47: Java SDK 1.5 SR16 Cumulative Fix for WebSphere Application Server
7.0.0.19: Java SDK 1.6 SR9 FP2 Cumulative Fix for WebSphere Application Server
7.0.0.21: Java SDK 1.6 SR9 FP2 Cumulative Fix for WebSphere
7.0.0.23: Java SDK 1.6 SR10 FP1 Cumulative Fix for WebSphere
7.0.0.25: Java SDK 1.6 SR11 Cumulative Fix for WebSphere Application Server
7.0.0.27: Java SDK 1.6 SR12 Cumulative Fix for WebSphere Application Server
7.0.0.29: Java SDK 1.6 SR13 FP2 Cumulative Fix for WebSphere Application Server
7.0.0.45: Java SDK 1.6 SR16 FP60 Cumulative Fix for WebSphere Application Server
7.0.0.31: Java SDK 1.6 SR15 Cumulative Fix for WebSphere Application Server
7.0.0.35: Java SDK 1.6 SR16 FP1 Cumulative Fix for WebSphere Application Server
7.0.0.37: Java SDK 1.6 SR16 FP3 Cumulative Fix for WebSphere Application Server
7.0.0.39: Java SDK 1.6 SR16 FP7 Cumulative Fix for WebSphere Application Server
7.0.0.41: Java SDK 1.6 SR16 FP20 Cumulative Fix for WebSphere Application Server
7.0.0.43: Java SDK 1.6 SR16 FP41 Cumulative Fix for WebSphere Application Server

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APAR status

  • Closed as program error.

Error description

  • RMF REPORTS FROM V6.1 contain inflated queue delay
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of WebSphere Application Server   *
    *                  V6.1                                        *
    ****************************************************************
    * PROBLEM DESCRIPTION: Inconsistent RMF workload activity      *
    *                      report queue times are being reported   *
    *                      for inbound http requests.              *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    An error was found in the determination of the WLM arrival time
    for http requests. The arrival time was subject to including
    network delays as the timestamp was being captured after
    reading the first inbound fragment and not being updated if
    multiple inbound fragments were received prior to queuing the
    work to WLM. This would result in incorrect and elongated queue
    times.
    

Problem conclusion

  • The arrival time was changed to use the timestamp from the
    last inbound fragment received prior to queuing the request to
    WLM. This will reflect a more accurate queue time. This may
    result in a reduced queue time reported when multiple http
    inbound request fragments are received.
    
    APAR PM30324 is currently targeted for inclusion in
    Service Level (Fix Pack) 6.1.0.37 WebSphere
    Application Server V6.1
    
    Please refer to URL:
    //www.ibm.com/support/docview.wss?rs=404&uid=swg27006970
    for Fix Pack availability.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM30324

  • Reported component name

    WEBSPHERE FOR Z

  • Reported component ID

    5655I3500

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-01-12

  • Closed date

    2011-01-13

  • Last modified date

    2011-01-13

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    PM30325

Fix information

  • Fixed component name

    WEBSPHERE FOR Z

  • Fixed component ID

    5655I3500

Applicable component levels

  • R610 PSY

       UP



Document information

More support for: WebSphere Application Server for z/OS
General

Software version: 6.1

Reference #: PM30324

Modified date: 13 January 2011