IBM Support

RS03858: DECISION ENGINE PERFORMANCE OF RETE ALGORITHM MAY BE AFFECTED BY UPDATE

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.

Direct link to fix

 

APAR status

  • Closed as program error.

Error description

  • when using update(object) in rules , the update may apply to
    this object and to others related to this object resulting in
    performance loss.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Rulesets with RETE algorithm.                                *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * when using update(object) in rules , the update may apply to *
    * this object and to others related to this object resulting   *
    * in                                                           *
    * performance loss.                                            *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    

Problem conclusion

  • In order to activate the optimization of generators updates, the
    system property
    "com.ibm.rules.engine.rete.execution.generator.noReevaluation"
    must be set to true at compile time (before the creation of the
    engine definition).
    

Temporary fix

Comments

APAR Information

  • APAR number

    RS03858

  • Reported component name

    WDS FOR RULES

  • Reported component ID

    5725B6903

  • Reported release

    8A0

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-10-13

  • Closed date

    2022-04-08

  • Last modified date

    2022-04-08

  • 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

    WDS FOR RULES

  • Fixed component ID

    5725B6903

Applicable component levels

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSQP76","label":"IBM Decision Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8A0","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
02 June 2022