RE: undotbs01.dbf just keeps growing

> Whats the best way to go about identifying any large transactions?

Ask the developers and users.

As for the size of the UNDO TBS, check and modify your retention times as suggested by Anjo, and control the autoextending of the datafiles.

Jared

On Wed, 2003-12-31 at 01:39, John Dunn wrote:
> Thanks Jared
>
> <<You should probably investigate why it continues to grow so large>>
>
> Whats the best way to go about identifying any large transactions?
>
> John
>
>
> -----Original Message-----
> Sent: 31 December 2003 04:34
> To: Multiple recipients of list ORACLE-L
>
>
> The data file(s) for your undo tablespace is likely set
> as autoextend with an unlimited size.
>
> Run the attached script to check it.
>
> If so, you can use this to put a limit on it:
>
> alter database datafile '<your file name>' autoextend on next 200m
> maxsize 2000m;
>
> Adjust the numbers for your system.
>
> You should probably investigate why it continues to grow so large.
>
> I haven't yet converted our production databases to UNDO, having
> only recently migrated to 9i, so I don't have any useful advice
> past this.
>
> There are others that will be able to offer more for this. ( Dan
> Fink, where are you? This might even get Kirti to take a break
> from his book for a few minutes )
>
> HTH
>
> Jared
>
>
> On Tue, 2003-12-30 at 03:29, John Dunn wrote:
> > I have recently installed Standard Engine 9.2 on AIX 5.2 and notice that
> the
> > undotbs01.dbf file just keeps on growing. It is now over 1 GB.
> >
> > What could be the reason for this? Can I limit it's size and would this
> > cause a problem too?
> >
> > John
> >
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > --
> > Author: John Dunn
> > INET: john.dunn_at_sefas.co.uk
> >
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> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: John Dunn
> INET: john.dunn_at_sefas.co.uk
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Jared Still
  INET: jkstill_at_cybcon.com

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