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Status Delivered
Workspace CICS Transaction Server for z/OS
Categories Runtime
Created by Guest
Created on Mar 25, 2022

RELATED IDEAS

Improvements when handling WS-AT requests in a very constrained system.

This customer is using the HOGAN application, which is popular in banking. This application uses WS-AT for some of the inbound requests. These result in a CPIH being initially attached and then the WS-AT context switch occurs and an HSOA task runs the application work.



To avoid the system becoming overloaded with CPIH tasks these are put into a TCLASS. This is the standard advice for web services that have a context switch. The problem comes when there is a surge of work and all the TCLASS slots are filled with new WS-AT based application requests. If CPIH is in a TCLASS and all the slots are filled then the RegisterResponse message can't be handled and the waiting HSOA task will not be resumed.


The solution is to use a different transaction for WS-AT protocol messages, that does not get used by anything else and is not in a TCLASS. This allows protocol messages to always be handled even if the limit of concurrent application requests has been reached.

Idea priority Medium
  • Guest
    Reply
    |     Jun 17, 2022
    Support for this is provided in CICS TS 6.1 which is generally available from 17th June 2022.

    For more information see https://www.ibm.com/docs/en/cics-ts/6.1?topic=whats-new
  • Guest
    Reply
    |     Jun 17, 2022
    Support for this is provided in CICS TS 6.1 which is generally available from 17th 2022.

    For more information see https://www.ibm.com/docs/en/cics-ts/6.1?topic=whats-new
  • Guest
    Reply
    |     Apr 5, 2022
    Support for this is provided in CICS TS 6.1 which is announced today April 5th and will GA June 17th 2022.

    See Announcement letter https://www.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/2/897/ENUS222-092/index.html&request_locale=en
  • Guest
    Reply
    |     Mar 25, 2022 
    This is something we would like to address. The RFE is being moved into 'Planned for Future release' status.  Please note:
    IBM's statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM's sole discretion.   Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion.

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