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PM68708: [wi 70017] Excessive memory usage in java client when assets have a large number of artifacts

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APAR status

  • Closed as program error.

Error description

  • A simple test case is as follows
    1.  Create a new RAMSession
    2.  Query for all assets
    3.  Walk through all assets
    
    The client will eventually run out of memory.  This is due to a
    leak in org.apache.axis.message.SAX2EventRecorder
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    See Apache Axis defect at
    https://issues.apache.org/jira/browse/AXIS-2749
    
    A simple test case is as follows
    1.  Create a new RAMSession
    2.  Query for all assets
    3.  Walk through all assets
    
    The client will eventually run out of memory.  This is due
    to a leak in org.apache.axis.message.SAX2EventRecorder
    

Problem conclusion

  • We've done more testing and it seems the problem is
    excessive memory utilization in axis rather than an actual
    leak. ?See https://issues.apache.org/jira/browse/AXIS-1771
    
    There's no way to resolve the problem without modifying the
    axis code. ?For now the recommendation is to continue using
    a large heap size. ?If an asset has a large number of
    relationships, artifacts, attributes, etc. it will require
    additional memory. ?For example, an asset with a 6mb
    manifest file requires about 200mb of memory on the client
    side to serialize/deserialize.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM68708

  • Reported component name

    RATL ASSET MGR

  • Reported component ID

    5724R4200

  • Reported release

    750

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-07-11

  • Closed date

    2013-04-01

  • Last modified date

    2013-04-01

  • 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

    RATL ASSET MGR

  • Fixed component ID

    5724R4200

Applicable component levels

  • R750 PSN

       UP

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Document Information

Modified date:
29 October 2021