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Status Delivered
Workspace Db2 for z/OS
Created by Guest
Created on Jan 31, 2023

RELATED IDEAS

Deadlock need to avoid for ALTER TABLE JOB

ALTER TABLE ALTER COLUMN job should be able to break-in RTS process.

Currently, the deadlock may happen between ALTER TABLE ALTER COLUMN job and CORRELATION-ID=014.RTSTST00.

We open CASE TS011962039 for the deadlock.

From user point of view, the failure of ALTER TABLE job should be aviod and RTS process should get the deadlock and retry the RTS process.

Could you change Db2 behavior that RTS get the deadlock instead of the deadlock of ALTER job?

Needed By Month
  • Admin
    Janet Figone
    Reply
    |     Mar 2, 2023

    Hi Lakshya, Please disregard our earlier request for more details. Our engineers located the additional information required, and determined this idea is actually delivered. Please reference the below link for more information. Thank you!

    https://www.ibm.com/docs/en/db2-for-zos/13?topic=13-overview-whats-new-in-db2#db2z_13_wnewoverview__sect-sqlapps

    Sincerely,

    The Db2 for z/OS Team

  • Guest
    Reply
    |     Mar 1, 2023

    Hello Janet,
    thank you for your reply.

    In your answer there is provide more information,
    please let me know what details would you like me to send you?

  • Admin
    Janet Figone
    Reply
    |     Feb 28, 2023

    Dear Lakshya, Our Db2 for z/OS development engineers located the additional information needed and determined this enhancement request is addressed in Db2 13 base:

    Db2 13 delivered the more granularity of concurrency control for application encounters deadlock and lock timeout issues can help with customer's situation.

    In addition, Db2 13 also delivered a new CURRENT LOCK TIMEOUT special register.

    Please reference the below link for more information. Thank you!

    https://www.ibm.com/docs/en/db2-for-zos/13?topic=13-overview-whats-new-in-db2#db2z_13_wnewoverview__sect-sqlapps

    Sincerely,

    The Db2 for z/OS Team

  • Admin
    Janet Figone
    Reply
    |     Feb 23, 2023

    Hello Lakshya,

    Thank you for submitting this enhancement request. Our Db2 for z/OS development engineers have reviewed it and the case stated in this idea. It is not clear why the ALTER would have deadlock with RTS on the syspackage t.s..

    Can you please provide more detail information? We can then continue with the review.

    Sincerely,

    The Db2 for z/OS Team

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