IC91339: MULTI-INDEX SCAN ACCESS METHOD REQUIRES 10 TIMES MORE MEMORY THAN FOR USUAL INDEX PATH

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APAR status

  • Closed as program error.

Error description

  • A session if it executes a query with multi-index scan path in
    the query plan, consumes significantly more memory than the
    session that executes exactly the same query but without
    multi-index scan (e.g. a usual index path).
    

Local fix

  • You can disable multi-index scan access method by executing
    "onmode -wf MULTI_INDEX_SCAN=0" to work around this problem.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All users                                                    *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Update to IDS-11.70.xC8                                      *
    ****************************************************************
    

Problem conclusion

  • Problem Fixed In IDS-11.70.xC8
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC91339

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    B70

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-04-04

  • Closed date

    2014-02-26

  • Last modified date

    2014-02-26

  • 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

    INFORMIX SERVER

  • Fixed component ID

    5725A3900

Applicable component levels

  • RA10 PSN

       UP

  • RA10 PSY

       UP

  • RB10 PSN

       UP

  • RB10 PSY

       UP

  • RB50 PSN

       UP

  • RB50 PSY

       UP

  • RB70 PSN

       UP

  • RB70 PSY

       UP

  • RC10 PSN

       UP

  • RC10 PSY

       UP



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Document information


More support for:

Informix Servers

Software version:

B70

Reference #:

IC91339

Modified date:

2014-02-26

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