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Status Not under consideration
Workspace Db2 for z/OS
Created by Guest
Created on Dec 14, 2023

RELATED IDEAS

Sorting large amounts of data sequentially

We executed a query where a large amount of data had to be sorted. The execution stopped with SQLCODE -904 (temp. storage exceeded).

This query was executed with DEGREE 1.

When we executed the same query with DEGREE ANY, the query was executed by 2 tasks and it ran successfully.

This leads to this idea:

When a large amount of data has to be sorted, Db2 should consider splitting this amount of data into several parts and to sort these parts sequentially to avoid the lack of temp. storage.

 

Needed By Quarter
  • Admin
    Janet Figone
    Reply
    |     Mar 11, 2024

    Dear Ulf, Thank you for submitting this enhancement request. The Db2 for z/OS team reviewed it and provided the following feedback:

    Db2 for z/OS sort functions will not do this. Sort does not keep track of how many records are to be sorted. If you are running out of storage (or workfile storage) we recommend that you add more space for the sort. If you are running sequentially or in parallelism with a large sort, it should still take about the same amount of space.

    Therefore, unfortunately, we are not considering this idea.

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

    Sincerely,

    Db2 for z/OS Team

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