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Performance tuning tools for cobol stored procedure in z/os

Posted on 2008-06-18
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Last Modified: 2008-09-17
Hi,

  I need to use a performance tool for stored procedures written in cobol and in  z/os.I have strobe and omegamon.How do I use them for stored procedures. Will be of great help if you could explain with screenshots.
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Question by:Nigelle
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Author Comment

by:Nigelle
ID: 21811838
or pls  tell me how to do with platinum tools or explain utility
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Expert Comment

by:momi_sabag
ID: 21813068
which version of db2 on zos are you using ?
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by:Nigelle
ID: 21843394
version 8.0
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momi_sabag earned 500 total points
ID: 21843588
if you have dynamic sql in the proceudre:
open perfomance trace with ifcid 317,318
run the stored procedure
run - explain statement to the statement cache
check the access path that was choosen for the dynamic statements in your procedure


if you have static sql
bind the package of the procedure with explain(yes) and use visual explain to check out the access path choosen for the statements in your package


another way i used to do
in the omegamon go to panel T (threads), then run your stored procedure
in that panel search for your stored procecdure, enter to it (using F10v when cursor positioned on
it)
then you use f to see the current sql statement,
just hit the enter a couple of times as the procedure run and see on which statement it spens most of it's time

or you can open an application trace in the omegamon
if i remember correctly from the main menu you press a
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