PM85010: PERFORMANCE PROBLEM CAUSED BY EXCESSIVE SEARCHING FOR PDF EQUIVALENTS FOR BOOKS DURING SHELF DISPLAY.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • All configured collections are searched for a pdf with an
    equivalent eight character name for a book.
    When collections are used extensively, this multiplies the
    response time unduly.
    Only same and peer directories named PDF should be supported
    for equivalent PDF identification.
    

Local fix

  • Reduce number of collections configured.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: End users displaying a bookshelf when the    *
    *                 administrator has configured a large number  *
    *                 of book collection directories will observe  *
    *                 a delay in bookshelf page display            *
    *                 completion.                                  *
    ****************************************************************
    * PROBLEM DESCRIPTION: At bookshelf display time, every        *
    *                      configured collection directory was     *
    *                      checked foran equivalent PDF.  Delay    *
    *                      resulted from the disk i/o involved.    *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    Fix involved re-implementation of the original design for
    equivalent PDFs for books support.
    

Problem conclusion

  • At shelf display time, a PDF equivalent for a book is determined
    from data in the Library Server catalog card for the book.
    The PDF equivalent data is recorded during the administrative
    user's rebuild catalog processing.
    340Y
    EPHBKSRV
    EPHPDFA
    EPHP2BIF
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

APAR Information

  • APAR number

    PM85010

  • Reported component name

    BKMGR BOOKSRVR

  • Reported component ID

    5655A2000

  • Reported release

    340

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-03-18

  • Closed date

    2013-09-13

  • Last modified date

    2013-10-03

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

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

    UK97516

Modules/Macros

  •    EPHBKSRV EPHPDFA  EPHP2BIF
    

Fix information

  • Fixed component name

    BKMGR BOOKSRVR

  • Fixed component ID

    5655A2000

Applicable component levels

  • R340 PSY UK97516

       UP13/09/14 P F309

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.



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Document information


More support for:

Library Server for z/OS

Software version:

340

Operating system(s):

z/OS

Reference #:

PM85010

Modified date:

2013-10-03

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