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PH01737: CHANGING DEFAULT TO NIO ON AIX AND HP-UX PLATFORMS

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • As more improvements and releases are made to the HP and AIX
    platforms, NIO has become a more stable library to use as a
    default.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of the HTTP channel in IBM        *
    *                  WebSphere Application Server in HP-UX or    *
    *                  AIX platforms                               *
    ****************************************************************
    * PROBLEM DESCRIPTION: Change the default from asynchronous    *
    *                      input/output (AIO) to non-synchronous   *
    *                      input/output (NIO) in HP-UX and AIX     *
    *                      platforms                               *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    With updates to these OS platforms, via new version releases
    or fix packs, NIO is now considered to be the more consistent
    library to run on in terms of stability and/or performance.
    

Problem conclusion

  • The TCP Channel code was updated to default to the NIO
    libraries for these operating systems.
    
    The fix for this APAR is currently targeted for inclusion in
    fix packs 8.5.5.17, 9.0.5.2.  Please refer to the Recommended
    Updates page for delivery information:
    http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH01737

  • Reported component name

    WEBSPHERE APP S

  • Reported component ID

    5724J0800

  • Reported release

    900

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-08-16

  • Closed date

    2019-09-12

  • Last modified date

    2020-11-10

  • 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

    WEBSPHERE APP S

  • Fixed component ID

    5724J0800

Applicable component levels

  • R850 PSY

       UP

  • R900 PSY

       UP

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Document Information

Modified date:
02 November 2021