Re: ORA-1554: Out of transaction slots

Rajesh,

Your database has probably only the system rollback segment. Oracle will probably leave a slot open so in that rollback segment. Create an additional rollback segment and you will probably see the error.

Anjo.

Rajesh.Rao_at_jpmchase.com wrote:
>
> Sorry if I did not phrase my question correctly. I do know that for a
> database with block size 2K, the number of max transaction slots is 21.
> When I was running my tests, I was expecting to see an "Out of transaction
> slots" on the 22nd session. Instead Oracle tried to use the system rollback
> segment, and gave me an "Unable to use system rollback segment for a non
> system .... " error.
>
> My question is I want to simulate the "Out of transaction slot" error? What
> should I do to have Oracle report this message back to me?
>
> Thanks
> Raj
>
>
> Jared.Still_at_r
> adisys.com To: ORACLE-L_at_fatcity.com
> cc: Rajesh Rao/CHASE_at_CHASE
> October 08, Subject: Re: ORA-1554: Out of transaction slots
> 2002 02:44 PM
>
>
>
> It's dependant on block size, or at least it was the last time I checked,
> which was a few years ago.
>
> You can see the number of slots by doing a block dump the rollback
> segment.
>
> Jared
>
> Rajesh.Rao_at_jpmchase.com
> Sent by: root_at_fatcity.com
> 10/08/2002 11:34 AM
> Please respond to ORACLE-L
>
> To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> cc:
> Subject: ORA-1554: Out of transaction slots
>
> Hello Folks,
>
> I carried out a test, whereby I had just one rollback segment online with
> a
> block size of 2K, and then running updates against the database thru
> different sessions without commiting any of them? As expected, it accepted
> the first 21 transactions, and on the 22nd transaction, threw an "Unable
> to
> use system rollback segment for a non system .... " error.
>
> When does Oracle report an "ORA-1554: Out of transaction slots" for a
> rollback segment?
>
> Thanks
> Raj
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
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> Author:
> INET: Rajesh.Rao_at_jpmchase.com
>
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-- 
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-- 
Author: Anjo Kolk
  INET: anjo_at_oraperf.com

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