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Status Not under consideration
Workspace CICS Transaction Server for z/OS
Categories Runtime
Created by Guest
Created on Dec 12, 2019

RELATED IDEAS

TranClass Queue Expiration Time

Improve the Transaction Class queue to accept defining an expiration time for transactions queued waiting for 1st dispatch.
This enhancement will provide de CICS to manage the queue only for transactions that still need to execute and it would relief QR usage.

Idea priority Medium
  • Admin
    Mark Cocker
    Dec 24, 2025

    CICS TS 6.2 extended TRANCLASS resource with a new PURGEACTION attribute, and PURGEACTION(DISCARD) that together with PURGETHRESH(number) allows you to set a lower value for the purgethreshold for tclass that allow timely response time and efficient purge processing. Requests over PURGETHRESH(number) limit would be discarded instead of abended and avoid the concerns over excessive abends in a region. See https://www.ibm.com/docs/en/cics-ts/6.x?topic=attributes-tranclass-resource-definitions

    In addition, the policy system rule of Transaction class tasks will monitor the level of the queue, and enables you to drive automation as a result, for example if the level of queue reaches certain percentage, start a CICS task to query how long the queued ones has been in the region and action on them. See https://www.ibm.com/docs/en/cics-ts/6.x?topic=policies-policy-system-rules#policy-system-rules__transaction-class-tasks

    Similarly, the policy task rule for `Time (CPU, elapsed)` will monitor for the tasks time in the system, and enables you to drive automation as a result. See https://www.ibm.com/docs/en/cics-ts/6.x?topic=policies-policy-task-rules#reference_drv_dtp_nz__time

    Reply
  • Guest
    Jan 3, 2020

    This makes a lot of sense to have available--would prevent needless execution of tasks that would be unable to return output due to a timeout. It would also speed up recovery once the issue causing the backlog has cleared up.

    Reply
  • Guest
    Dec 20, 2019

    This is a candidate for a future release

    Reply
5 MERGED

Tranclass Timeout

Merged
Add a mechanism to timeout transactions waiting on Tranclass. The timeout value needs to be a parm that the customer can set.
over 13 years ago in CICS Transaction Server for z/OS / Runtime 6 Not under consideration
10 MERGED

Timeout for transactions in TCLASS.

Merged
Customer would like to be able to define a timeout for TCLASS to begin to purge tasks (PURGETHRESH) rather than relying only on the number of tasks queued.
over 4 years ago in CICS Transaction Server for z/OS / Runtime 3 Not under consideration

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