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RE: A rollback segment question on minextents

From: <kumanan.balasundaram_at_qxl.com>
Date: Mon, 11 Mar 2002 12:33:23 -0800
Message-ID: <F001.00424EA0.20020311123323@fatcity.com>


Hi,

My point was that it could allocate one more extent as per need. Why the need to minextents = 2?

Thanks
Kumanan

> -----Original Message-----
> From: Stephane Faroult [SMTP:sfaroult_at_oriole.com]
> Sent: 07 March 2002 20:54
> To: Multiple recipients of list ORACLE-L
> Subject: Re: A rollback segment question on minextents
>
> kumanan.balasundaram_at_qxl.com wrote:
> >
> > Hi,
> >
> > I was wondering why Oracle force minextents for rollback
> > segments to be two. Why can't we have minextents zero or
> > no minextents clause at all.
> >
> > We can surely set initial extent to be large enough ourselves
> > and next extent sized accordingly.
> >
> > Can someone enlighten me on the reason/thought behind this?
> >
> > Many thanks
> >
> > Kumanan Balasundaram
> > Database Administrator, IT
> > QXL ricardo plc
> > www.qxl.com
> > P: +44 (0)208 962 7409
>
> Oracle doesn't reuse an extent which contains active transactions. What
> do you think would happen when you reach the end of your initial extent
> ? Exactly.
> --
> Regards,
>
> Stephane Faroult
> Oriole Ltd
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Stephane Faroult
> INET: sfaroult_at_oriole.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: 
  INET: kumanan.balasundaram_at_qxl.com

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Received on Mon Mar 11 2002 - 14:33:23 CST

Original text of this message

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