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Status Not under consideration
Workspace Db2
Created by Guest
Created on Aug 9, 2019

terminate rollback

When  database is rollback a long transaction , it may take a long time. User don't want to wait for rollback to finish.

One scenario is that user has made a large change on a table that is not that important table so they are willing to drop it (or they can recreate the data).  So they would rather Db2 make the affected table not accessible and not perform all the compensation on that table.

  • Guest
    Oct 7, 2019

    What is the desired functionality here?

    1) Do you want the ability to mark a table as "not recoverable", so that when the active session acting on that table is interrupted, the rollback will skip undoing changes to that table, thus making rollback faster?
    This would require this specific object to be dropped (and possibly recreated). Other objects modified in that transaction would have those operations rolled back as per usual..

    2) Do you want the ability to interrupt a rollback, and have Db2 automatically mark all affected objects in the transaction as "not recoverable", so that the rollback will skip undoing changes to all objects, thus making rollback faster?
    This would require that all affected objects be dropped (and possibly recreated).