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IT36979: AN ADMIN CKPT IS INITIATED DURING A LEVEL 0 ARCHIVE FOR EACH LOGICAL LOG DROPPED CAUSING HIGH CONTENTION IN ACTIVE ENVIRONMENT

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APAR status

  • Closed as program error.

Error description

  • When an archive level 0 is taken after dropping a number of
    logical logs, an ADMIN CKPT is initiated for EACH logical log
    dropped.
    
    This can cause high contention in a busy environment, especially
    when there are Secondaries involved.
    
    Suggestion is to GROUP all the Logical Log drop activity during
    the Archive into a SINGLE ADMIN CKPT.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Users of Informix Server prior to 12.10.xC16 and 14.10.xC10. *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Informix Server 12.10.xC16 or 14.10.xC10.         *
    ****************************************************************
    

Problem conclusion

  • Fixed in Informix Server 12.10.xC16 and 14.10.xC10.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT36979

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    C10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-05-21

  • Closed date

    2023-05-17

  • Last modified date

    2023-05-17

  • 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

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
18 May 2023