PM80923: When you run a query on a hash index with eXtremeMemory enabled, a memory leak occurs.

Subscribe to this APAR

By subscribing, you receive periodic emails alerting you to the status of the APAR, along with a link to the fix after it becomes available. You can track this item individually or track all items by product.

Notify me when this APAR changes.

Notify me when an APAR for this component changes.

APAR status

  • Closed as program error.

Error description

  • WebSphere eXtreme Scale values are not removed appropriately
    when you use eXtremeMemory.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  WebSphere eXtreme Scale users who have      *
    *                  enabled eXtremeMemory and use the built-in  *
    *                  HashIndex plug-in.                          *
    ****************************************************************
    * PROBLEM DESCRIPTION: If you enable eXtremeMemory and use     *
    *                      the built-in HashIndex plug-in, a       *
    *                      container might experience a            *
    *                      segmentation fault.                     *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    This container failure only happens if you remove entries
    from a map while simultaneously running index queries
    on the map.  This problem can be avoided by not running index
    queries while entries are being removed from the same map.
    This problem can be recognized by a container disappearing and
    leaving a Java core file in its working directory.  The Java
    core file contains a stack trace that goes through one of the
    find methods on the HashIndex class.
    

Problem conclusion

  • You can avoid this issue by not running index queries while
    removing entries from the same map.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM80923

  • Reported component name

    WS EXTREME SCAL

  • Reported component ID

    5724X6702

  • Reported release

    860

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-01-18

  • Closed date

    2013-02-07

  • Last modified date

    2013-02-07

  • 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

  • R860 PSY

       UP



Rate this page:

(0 users)Average rating

Document information


More support for:

WebSphere eXtreme Scale

Software version:

860

Reference #:

PM80923

Modified date:

2013-02-07

Translate my page

Machine Translation

Content navigation