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Status Not under consideration
Workspace Db2 for z/OS
Created by Guest
Created on Sep 15, 2020

Specia Register to change INVALIDATECACHE default in Db2v12

We have PeopleSoft Payroll application running on Db2 v12 z/OS. We noticed that the default value of INVALIDATECACHE in RUNSTATS has been changed from YES to NO in v12. This change has huge impact on the performance because RUNSTATS for temporary tables from PeopleSoft AppEng cannot invalidate cache in DSC to allow Db2 change the access path using the updated statistics in the temporary tables.

To invalidate the cache in DSC, we have to include INVALIDATECACHE YES in all the People Soft modules which requires extensive amount of effort of code change and test.

Needed by Date Sep 22, 2020
  • Admin
    Janet Figone
    Reply
    |
    Dec 18, 2020

    Thank you for submitting this request. The Db2 for z/OS development team reviewed it and determined it is not going to be considered at this time for a future deliverable.

    Sincerely,

    Db2 for z/OS Development