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Another ADS tuning question

  • 1.  Another ADS tuning question

    Posted 05-15-2007 10:35 AM
    Is there any way to determine, from a dialog load module alone, whether
    or not diagnostics and symbol table are turned on?

    Kay Rozeboom
    State of Iowa
    Information Technology Enterprise
    Department of Administrative Services
    Telephone: 515.281.6139 Fax: 515.281.6137
    Email: Kay.Rozeboom@Iowa.Gov
    "
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    Re: DB Analyzer DBNAME not working
    "Hello Chris:

    Thanks for your time and support. I did create a new DMCL and DBTABLE with
    only the segment that I want to use and that worked, but, this system has over
    40 segments and I don't want to do that for every segment.

    I sent this off to CA, I will post the resolution or work around when I
    receive it.

    Bill Allen

    In a message dated 5/16/2007 8:34:41 A.M. Eastern Daylight Time,
    choelscher@HUMANA.COM writes:

    create a dummy DMCL/DBTABLE with only SEG2 included?


    This is Chris Hoelscher and I approved this message!

    Chris Hoelscher
    Senior IDMS & DB2 Database Administrator
    Humana Inc
    502-476-2538
    choelscher@humana.com (mailTo:choelscher@humana.com)




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    Re: DB Analyzer DBNAME not working
    "Bill,
    Have you tried access it by just the SEGMENT name (SEG2) ?


    Dan Hall
    GE
    Capital Solutions
    Danbury, CT

    T 513.217.5060
    E dan.hall@ge.com
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  • 2.  Re: Another ADS tuning question

    Posted 05-16-2007 12:45 AM
    Hi Kay,

    The dialog load module starts with the FDB (Fixed Dialog Block). At
    offset x'76' into the FDB, symbol table is on if you have a flag of
    x'80'. Refer to ADS DSECT guide. When you read the dsect, #FLAG are
    above the field that they're flagging.

    Hope this helps,
    Laura Rochon
    Ajilon

    Rozeboom, Kay [DAS] wrote:
    Is there any way to determine, from a dialog load module alone,
    whether or not diagnostics and symbol table are turned on?

    Kay Rozeboom
    State of Iowa
    Information Technology Enterprise
    Department of Administrative Services
    Telephone: 515.281.6139 Fax: 515.281.6137
    Email: Kay.Rozeboom@Iowa.Gov

    "
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    Re: Another ADS tuning question
    "That's true if the program is defined as DYNAMIC which is the sysgen
    default.

    In other words, if a program is defined as dynamic, then it should be in
    the first location within your loadlist. If it is nodynamic, then it
    doesn't matter, as it will always be loaded (and executed) from the same
    location. For example, let's presume your loadlist has the dictionary
    load area first, then the cdmslib. If your program is loaded out of
    the cdmslib, then for best performance, the program should be defined as
    nodynamic. Otherwise, every time the program is called, the system must
    verify if the program can be found in the dictionary since it's defined
    as dynamic. When it doesn't find it in the dictionary, it says, okay,
    the copy in the cdmslib can be used. If the program is defined as
    nodynamic, then it will not verify if a copy of the program in the other
    entries in the loadlist exists.

    I hope I haven't confused you with this,
    Laura

    Chris Hoelscher wrote:
    Kay - look at your loadlist as well - if you have loadlibs ahead of
    loadareas, it really does not matter what is in a loadarea load
    module if there is a loadlib load module for the program executing first





    At 14:34 5/15/2007, you wrote:
    Is there any way to determine, from a dialog load module alone, whether
    or not diagnostics and symbol table are turned on?

    Kay Rozeboom
    State of Iowa
    Information Technology Enterprise
    Department of Administrative Services
    Telephone: 515.281.6139 Fax: 515.281.6137
    Email: Kay.Rozeboom@Iowa.Gov
    This is Chris Hoelscher and I approved this email

    "
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    Normal

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    Re: Another ADS tuning question
    "Kay - look at your loadlist as well - if you have loadlibs ahead of
    loadareas, it really does not matter what is in a loadarea load
    module if there is a loadlib load module for the program executing first





    At 14:34 5/15/2007, you wrote:
    Is there any way to determine, from a dialog load module alone, whether
    or not diagnostics and symbol table are turned on?

    Kay Rozeboom
    State of Iowa
    Information Technology Enterprise
    Department of Administrative Services
    Telephone: 515.281.6139 Fax: 515.281.6137
    Email: Kay.Rozeboom@Iowa.Gov
    This is Chris Hoelscher and I approved this email
    "
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    Re: Another ADS tuning question
    "Kay,

    Here is a CULPRIT program that list dialogs with symbol table on.

    PATH01 LOOAK-155 LOADHDR-156 SYMHDR-174
    KEY LOOAK-KEY-155 'LOOK'
    SEL LOADHDR-156 WHEN LOADHDR-SYMTABLEN-156 GT 0
    01OUT 132 D PS
    01SORT LOADHDR-MODNAME-156
    0151 001 'DIALOG:'
    0151 009 LOADHDR-MODNAME-156 SZ=8
    0151 020 'VERSION:'
    0151 029 LOADHDR-VERS-156 FM '999'
    017160 TAKE

    Joe S Cates, Database Analyst II
    Information and Organizational Systems
    Database Management/Unix Administration
    Montgomery County Public Schools
    Rockville, MD 20850
    301-279-3697
    joe_cates@mcpsmd.org