Rollback Segment Trans
- From: "Fahd Mirza" <fahd-m@xxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 7 Apr 2004 09:14:40 +0500
Hi experts,
I just killed a very long session which wasn't responding and was inactive
for 2 days.
The session was performing a delete operation on a table. After I killed
the session, I noticed that the size of one rollback segment became very large,
the optimal value is 4M and the current size of the particular rollback segment
is 500M. I have tried to shrink rollback segment manually like this
alter rollback segment rbs25 shrink to 4M;
but in vain.
what should I do?
how could it be known that a particular rollback segment is using currently
which transactions?
Thanks in advance,
regards.
Fahd
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