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Status Not under consideration
Workspace Db2 for z/OS
Created by Guest
Created on Oct 19, 2016

RELATED IDEAS

Dynamically Defined Reorg Mapping Tables That Use An Implicitly Defined Database

Currently, the implicitly created database works great because every instance of a mapping table is in a separate database.
This avoids any possibility of database lock contention across multiple concurrent instances of reorg.
The downside of the implicitly created database is that is uses the SYSDEFLT storage group which can be used by lots of other objects as well.

We could use the MAPPINGDATABASE reorg option or the REORG_MAPPING_DATABASE zParm to use a different storage group. But, this greatly increases the possibility of database lock contention across multiple concurrent instances of reorg.

Or, we could use the MAPPINGTABLE reorg option and use explicitly defined tables/indexes, but then we have to modify the table/index structures when a new version of DB2 mandates a structure change -- like what occurred in DB2 V11 and DB2 V12.
  • Admin
    Janet Figone
    Reply
    |     Apr 14, 2021

    Thank you for submitting this enhancement request. While we view all the enhancement requests we receive as valuable and we would like to implement all of them, in an effort to have maximum transparency we are closing the ones that don’t currently appear on our two year product roadmap. This is not to say that these enhancements may not still be implemented at some point in the future as we do evaluate our requirements on the basis of customer demand and technical impact, to deliver maximum value to our customers.


    We appreciate your input to the Db2 for z/OS development team.  And we hope that you will continue to enhancement suggestions for improvements as customer feedback is a key component to shaping the future direction of Db2 for z/OS. 


    Sincerely,

    The Db2 for z/OS Team

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