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Message Posted: Thu, 19 Aug 2004 @ 19:25:52 GMT

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Subj:   Re: Cancel a RollBack in V2R.
From:   Dieter Noeth

Anomy Anom wrote:

  I got a problem with a rollback that has been running for several days in a large table.  

  I don't know the reason of this problem since the original transaction took 1 day and then we aborted it and TD started to rollback.  

You shouldn't do that ;-))

  According to the rules a rollback usually runs about 1 1/2 to 2 times longer than the original transaction.  

In worst case much longer than that...

If it was an Insert or Delete and you know the original row count you can submit a count(*) using an access lock to find out how many rows still have to be processed.

If it was an Update with delete/merge steps (check explain) this may also work.

  As i mentioned in the subject we are running on V2R.  

  I was thinking if maybe we need a patch or a tuning.  

In V2R5.1 there's a "Cancel Rollback" command, before that only the Global Support Center can do that, but be aware: the table will be in an inconsistent state...


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