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IV90905: REDUCE LOCK CONTENTION ON /ETC/UTMP APPLIES TO AIX 7100-03

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Under high rate of login logout the system might go in
    high lock contention on /etc/utmp file.
    

Local fix

Problem summary

  • During a high rate of login (ie telnet) connections to system,
    system may encounter lock contention of /etc/utmp.
    

Problem conclusion

  • Locks now only target records being written to to reduce lock
    contention, and lock now held for less duration.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV90905

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-11-18

  • Closed date

    2016-12-02

  • Last modified date

    2017-04-14

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

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

    IV91372 IV91375 IV91383 IV91908 IV92077 IV92693 U876497

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U876497

       UP17/04/14 I 1000

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Document Information

Modified date:
19 April 2022