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OA51551: HIGH CPU IN C2PACMON TASK WHEN PROCESSING LARGE QUANTITY OF SIMILAR EVENT RECORDS

A fix is available

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APAR status

  • Closed as program error.

Error description

  • High CPU usage is seen in the C2PACMON task for zSecure Access
    Monitor when processing a large quantity of similar access
    event records.
    

Local fix

  • n/a
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users the of zSecure Access Monitor started  *
    *                 task exploiting the software on systems      *
    *                 where similar access events are frequently   *
    *                 occurring.                                   *
    ****************************************************************
    * PROBLEM DESCRIPTION: zSecure Access Monitor started task     *
    *                      consumes an excessive amount of CPU     *
    *                      time while processing frequently        *
    *                      occurring similar access events.        *
    ****************************************************************
    * RECOMMENDATION: Apply the PTF provided.                      *
    ****************************************************************
    When a lot of similar types of the access events (like FSACCESS
    or CSFOWH) are occurring frequently, the zSecure Access Monitor
    started task consumes an excessive amount of CPU time.
    

Problem conclusion

  • The zSecure Access Monitor program has been modified so that
    the amount of CPU time to process frequently occurring access
    events of a similar type have been reduced.
    

Temporary fix

Comments

APAR Information

  • APAR number

    OA51551

  • Reported component name

    ZSEC BASE,ADMIN

  • Reported component ID

    5655T0100

  • Reported release

    220

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-10-28

  • Closed date

    2017-04-19

  • Last modified date

    2017-05-01

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Modules/Macros

  •    C2PACMON C2PAMSTS C2PCLEAN C2PENVLP C2PINIT
    C2POLICE C2PPRSRC C2PRACRT C2PRCY02 C2PRDY02 C2PRFY04 C2PRIY02
    C2PRPTHR C2PSMFPC C2PXINIT C2XACTV  HCKR220J HCKR221J
    

Fix information

  • Fixed component name

    ZSEC BASE,ADMIN

  • Fixed component ID

    5655T0100

Applicable component levels

  • R220 PSY UA83287

       UP17/04/21 P F704

  • R221 PSY UA91582

       UP17/04/21 P F704

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

[{"Business Unit":{"code":"BU048","label":"IBM Software"}, "Product":{"code":"SSCE68R","label":"zSecure Admin"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"220","Edition":""}]

Document Information

Modified date:
01 May 2017