import and rollback segments

2002-12-20 Thread Leonard, George
Hi all

Can a person somehow force a import process to use a specific rollback
segment. I got a live system with many smallish segments, the dump file is
about 20 GB and take just over 12 hours to process but it requires a big
rollback segment.

I don't want to offline the small once so that only a big one is online
since this causes problems with the day to day operation of the client
systems.

Ideas.

George

George Leonard
Oracle Database Administrator
Dimension Data (Pty) Ltd
(Reg. No. 1987/006597/07)
Tel: (+27 11) 575 0573
Fax: (+27 11) 576 0573
E-mail:[EMAIL PROTECTED]
Web:   http://www.didata.co.za
 
You Have The Obligation to Inform One Honestly of the risk, And As a Person
You Are Committed to Educate Yourself to the Total Risk In Any Activity!
Once Informed  Totally Aware of the Risk, Every Fool Has the Right to Kill
or Injure Themselves as They See Fit!

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Please see the official ORACLE-L FAQ: http://www.orafaq.net
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RE: import and rollback segments

2002-12-20 Thread Deshpande, Kirti
You can not specify RB segment for import to use. 

Consider using commit=y option of the import command. 

- Kirti

-Original Message-
Sent: Friday, December 20, 2002 7:09 AM
To: Multiple recipients of list ORACLE-L


Hi all

Can a person somehow force a import process to use a specific rollback
segment. I got a live system with many smallish segments, the dump file is
about 20 GB and take just over 12 hours to process but it requires a big
rollback segment.

I don't want to offline the small once so that only a big one is online
since this causes problems with the day to day operation of the client
systems.

Ideas.

George

George Leonard
Oracle Database Administrator
Dimension Data (Pty) Ltd
(Reg. No. 1987/006597/07)
Tel: (+27 11) 575 0573
Fax: (+27 11) 576 0573
E-mail:[EMAIL PROTECTED]
Web:   http://www.didata.co.za
 
You Have The Obligation to Inform One Honestly of the risk, And As a Person
You Are Committed to Educate Yourself to the Total Risk In Any Activity!
Once Informed  Totally Aware of the Risk, Every Fool Has the Right to Kill
or Injure Themselves as They See Fit!

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Leonard, George
  INET: [EMAIL PROTECTED]

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Re: import and rollback segments

2002-12-20 Thread Rick_Cale

If you cannot take the small ones offline, I do not think you can force to
use a particular RBS.
You could possible create multiple large RBS then take smaller ones offline
then import. After completion put smaller ones online.
You can try commit=y to commit after each buffer instead of each object.
Use a larger BUFFER size on import to reduce round trips to
export file.

Perhaps others have some tricks

Rick



   
 
Leonard, George  
 
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Hi all

Can a person somehow force a import process to use a specific rollback
segment. I got a live system with many smallish segments, the dump file is
about 20 GB and take just over 12 hours to process but it requires a big
rollback segment.

I don't want to offline the small once so that only a big one is online
since this causes problems with the day to day operation of the client
systems.

Ideas.

George

George Leonard
Oracle Database Administrator
Dimension Data (Pty) Ltd
(Reg. No. 1987/006597/07)
Tel: (+27 11) 575 0573
Fax: (+27 11) 576 0573
E-mail:[EMAIL PROTECTED]
Web:   http://www.didata.co.za

You Have The Obligation to Inform One Honestly of the risk, And As a Person
You Are Committed to Educate Yourself to the Total Risk In Any Activity!
Once Informed  Totally Aware of the Risk, Every Fool Has the Right to Kill
or Injure Themselves as They See Fit!

--
Please see the official ORACLE-L FAQ: http://www.orafaq.net
--
Author: Leonard, George
  INET: [EMAIL PROTECTED]

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RE: import and rollback segments

2002-12-20 Thread Leonard, George
I am going with the commit=y it seems the best option since I am already
using buffer size.

This way I don't need to do anything with my current rollbacks.

Thx for the feedback

PS: can not remember now who it is but someone on this group wrote a new
rman backup recover manual, can someone pls forward me the title of the
book, someone asked me for it, know if I go to borders will find it just can
not remember at the moment,

Thx all, have a good weekend.

George

George Leonard
Oracle Database Administrator
Dimension Data (Pty) Ltd
(Reg. No. 1987/006597/07)
Tel: (+27 11) 575 0573
Fax: (+27 11) 576 0573
E-mail:[EMAIL PROTECTED]
Web:   http://www.didata.co.za
 
You Have The Obligation to Inform One Honestly of the risk, And As a Person
You Are Committed to Educate Yourself to the Total Risk In Any Activity!
Once Informed  Totally Aware of the Risk, Every Fool Has the Right to Kill
or Injure Themselves as They See Fit!

-Original Message-
Sent: 20 December 2002 14:54 PM
To: Multiple recipients of list ORACLE-L

You can not specify RB segment for import to use. 

Consider using commit=y option of the import command. 

- Kirti

-Original Message-
Sent: Friday, December 20, 2002 7:09 AM
To: Multiple recipients of list ORACLE-L


Hi all

Can a person somehow force a import process to use a specific rollback
segment. I got a live system with many smallish segments, the dump file is
about 20 GB and take just over 12 hours to process but it requires a big
rollback segment.

I don't want to offline the small once so that only a big one is online
since this causes problems with the day to day operation of the client
systems.

Ideas.

George

George Leonard
Oracle Database Administrator
Dimension Data (Pty) Ltd
(Reg. No. 1987/006597/07)
Tel: (+27 11) 575 0573
Fax: (+27 11) 576 0573
E-mail:[EMAIL PROTECTED]
Web:   http://www.didata.co.za
 
You Have The Obligation to Inform One Honestly of the risk, And As a Person
You Are Committed to Educate Yourself to the Total Risk In Any Activity!
Once Informed  Totally Aware of the Risk, Every Fool Has the Right to Kill
or Injure Themselves as They See Fit!

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Leonard, George
  INET: [EMAIL PROTECTED]

Fat City Network Services-- 858-538-5051 http://www.fatcity.com
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Author: Deshpande, Kirti
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Author: Leonard, George
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