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IV33071: WPAR GETPROCS() PERFORMANCE DEGRADATION APPLIES TO AIX 7100-03

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Excessive CPU consumption when WPAR applications frequently
    call getprocs() and the system has a large number of segments.
    

Local fix

Problem summary

  • Excessive CPU consumption when WPAR applications frequently
    call getprocs() and the system has a large number of segments.
    

Problem conclusion

  • Change getprocs() syscall to use a different vmm service that
    has better performance.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV33071

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2012-12-05

  • Closed date

    2012-12-05

  • Last modified date

    2013-11-25

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

    IV32893

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

    IV33156

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U854697

       UP13/11/25 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
25 November 2013