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IV27299: PERFORMANCE IMPROVEMENTS FOR LARGE APPLICATION SERVERS

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: N/A
    .
    Stack Trace: N/A
    .
    

Local fix

Problem summary

  • Various performance issues have been observed in large
    application servers. Issues related to cache utilization, string
    operations, and inefficient instruction sequences have been
    identified.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR4
    6.0.1 SR5
    .
    The JVM has been modified to address these issues and improve
    performance.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV27299

  • Reported component name

    JIT

  • Reported component ID

    620700124

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-08-30

  • Closed date

    2012-11-05

  • Last modified date

    2013-02-27

  • 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

    JIT

  • Fixed component ID

    620700124

Applicable component levels

  • R260 PSY

       UP



Document information

More support for: Runtimes for Java Technology
Just In Time (JIT) Compiler

Software version: 260

Reference #: IV27299

Modified date: 27 February 2013