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Can I use EXEC CICS START instead of writing to TDQ?


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smenjoge

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Joined: 15 Mar 2018
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Location: USA

PostPosted: Sat Mar 21, 2020 1:41 am
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Currently my CICS program writes to a Intra-partition TDQ which in turn invokes another CICS transaction.
My organization is moving to High-availability platform where Intra-partition TDQ will not be supported anymore.
My question is - Can I use EXEC CICS START to invoke the same transaction that is currently being triggered by TDQ? Will this give same/similar asynchronous behavior as with TDQ?

P.S. I understand that the program that currently processes messages from TDQ will have to change to RETRIEVE from COMMAREA now.
The original process is in place for 15+ years and noone knows if there was s specific reason why a TDQ was used here.
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Rohit Umarjikar

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Joined: 21 Sep 2010
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PostPosted: Sat Mar 21, 2020 10:04 pm
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Quote:
The original process is in place for 15+ years and noone knows if there was s specific reason why a TDQ was used here.
It may be because it is based on Trigger level , check it out DCT.

However, you could do CICS START but when you move to High-availability ( CICSPlex) you would need to talk to your site support staff first to see how the affinities needs to be handled.
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