IBM Support

PI70751: A large amount of threads are spawned when attempting to restart eXtreme Scale server in case of a network partition.

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APAR status

  • Closed as program error.

Error description

  • OutOfMemory exceptions occur in WebSphere eXtreme Scale server
    and cause a CPU usage increase.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  Users of WebSphere eXtreme Scale with IBM   *
    *                  Integration Bus that encounter a network    *
    *                  partition on startup.                       *
    ****************************************************************
    * PROBLEM DESCRIPTION: A large number of threads are created   *
    *                      when starting IIB with WXS.             *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    WebSphere eXtreme Scale encounters an error and enters a
    loop of starting the server before it has successfully stopped.
    

Problem conclusion

  • WebSphere eXtreme Scale now verifies that the server has fully
    stopped before attempting to restart it. An interim fix for
    IIB is available for this APAR upon request.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI70751

  • Reported component name

    WS EXTREME SCAL

  • Reported component ID

    5724X6702

  • Reported release

    850

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-10-17

  • Closed date

    2016-11-18

  • Last modified date

    2016-11-18

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

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

Fix information

  • Fixed component name

    WS EXTREME SCAL

  • Fixed component ID

    5724X6702

Applicable component levels

  • R850 PSY

       UP

  • R860 PSY

       UP

  • R861 PSY

       UP

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Document Information

Modified date:
18 November 2016