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how to identify job dependencies

 
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kamireddy

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Joined: 17 Nov 2010
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PostPosted: Mon Nov 22, 2010 6:44 pm    Post subject:
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HI,

How to identify a particular job is dependent on another job and how to find sequence of jobs which are dependent on each other?
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enrico-sorichetti

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Joined: 14 Mar 2007
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Location: italy

PostPosted: Mon Nov 22, 2010 6:52 pm    Post subject: Reply to: how to identify job dependencies
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what in <warmplaceundereverybodysfeets> did You not understand in
do not append a new question to an existing and completely unrelated topic icon_evil.gif

topic split again!
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Anuj Dhawan

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PostPosted: Mon Nov 22, 2010 6:53 pm    Post subject:
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Which scheduling product you are talking about?
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naseera

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PostPosted: Mon Nov 22, 2010 6:57 pm    Post subject:
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Hi,

You can look in the dataset which has all the scheduling instructions. For example see below

JOB AAAAAAA
SUBAPPL GOOEAE60 WAIT
SCHID = 31
/* TOPJOB = VVB$DMMY.031 */
AFTER ADD(VVB$DI20.031 VVB$DI30.031 VVB$DI40.031 VVB$DI50.031 +
)
NOTWITH (CCLEAE3- CCLEAE9- CCLUAE3- CCLUAE9- CCMEAE3- CCCEAE9- +

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expat

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PostPosted: Mon Nov 22, 2010 8:06 pm    Post subject:
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naseera wrote:
You can look in the dataset which has all the scheduling instructions. For example see below

And your example shows us what exactly ?
Not everyone has access to these datasets, especially in a well maintained environment.
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mtaylor

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Joined: 20 Feb 2009
Posts: 108
Location: Kansas City

PostPosted: Fri Nov 26, 2010 9:52 pm    Post subject:
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If you have access to all the jobs (jcl with procs expanded and parms substituted) then it's possible to build a dependency graph of jobs and datasets that show what jobs create dataset X, what jobs reference dataset X, which jobs modify dataset X, which jobs delete dataset X. In this way it is possible to get some idea of what the job dependencies are without schedule information.

Problems arise when: dataset X 'wraps around' to the next batch cycle (aren't created or destroyed), dataset X is created/destroyed multiple times in the same batch process, GDGs, I haven't thought thru how to handle these, may not give meaningful information. Plus various other difficulties.
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