PM30264: REMOVEDREAPER IS LEAKING SLOWLY CAUSING CPU CREEP.

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • RemovedReaper is used for cleaning long term disconnected
    relicas. Over a long period of time this object is leaking
    which causes slow CPU creep.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of WebSphere eXtreme Scale        *
    *                  Version 7.1 that are using a multi-master   *
    *                  topology.                                   *
    ****************************************************************
    * PROBLEM DESCRIPTION: A very slow increase in                 *
    *                      processor utilization                   *
    *                      occurs over a period of days.           *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    RemovedReaper objects were leaking and causing the slow
    increase in processor utilization.
    Java core collections taken several days apart show the
    number of these objects increasing.
    

Problem conclusion

  • A future cumulative fix will correct this problem in WebSphere
    eXtreme Scale Version 7.1.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM30264

  • Reported component name

    XD EXTREME SCAL

  • Reported component ID

    5724J3402

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-01-11

  • Closed date

    2011-01-31

  • Last modified date

    2011-02-23

  • 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

    XD EXTREME SCAL

  • Fixed component ID

    5724J3402

Applicable component levels

  • R710 PSY

       UP



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Document information


More support for:

WebSphere eXtreme Scale
General

Software version:

6.1

Reference #:

PM30264

Modified date:

2011-02-23

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