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Re: Altering Freelist Groups in 10gR2 when moving to RAC from NON-RAC?

From: Anand Rao <panandrao_at_gmail.com>
Date: Thu, 28 Sep 2006 11:36:43 +0530
Message-ID: <d70710370609272306k3d6f4e77ofaacc38b1ea7e9ad@mail.gmail.com>


I AM ON TURBO SPEED !!! Jee...what was i thinking. i meant write that about the other 2 DML statements and ended up "inserting" an INSERT statement...

Christian,Gopal, Vivek and everyone...

that was not meant to be there. Looong Holidays starting tomorrow.....in a hurry to click all the buttons :)

apologies.

FREELISTs are meant for INSERT statements.

*must stop drugs*

*stop listening to Dreamtheater*

*can't do it*

anand

On 28/09/06, K Gopalakrishnan <kaygopal_at_gmail.com> wrote:
>
> Anand,
>
> You are not joking right?
>
> -Gopal
>
>
> On 9/27/06, Anand Rao <panandrao_at_gmail.com> wrote:
> >
> > FREELIST is not applicable for INSERT statements.
> >
> > regards
> > anand
> >
> > On 27/09/06, VIVEK_SHARMA <VIVEK_SHARMA_at_infosys.com > wrote:
> > >
> > > Jonathan, Folks
> > >
> > >
> > >
> > > A small change to include indexes too in the below Qs:-
> > >
> > >
> > >
> > > Qs Does conversion of freelist groups to 4 needs to be done ONLY for
> > > Tables & Indexes which undergo INSERTs & NOT for Tables / Indexes which
> > > undergo UPDATEs, SELECTs, DELETEs?
> > >
> > >
> > >
> > > NOTE Our Database Size is Huge i.e. 3 TB.
> > >
> > >
> > >
> > > Qs Any Other parameter that should also be changed when moving a
> > > NON-RAC Database to RAC?
> > >
> > >
> > >
> > > Thanks indeed for responding
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org]
> > > On Behalf Of Jonathan Lewis
> > > Sent: Wednesday, September 27, 2006 3:17 PM
> > > To: oracle-l_at_freelists.org
> > > Subject: Re: Altering Freelist Groups in 10gR2 ?
> > >
> > >
> > >
> > >
> > >
> > > The only option is to do the CTAS, as the freelist group
> > >
> > > blocks are located immediately after the segment header
> > >
> > > block in the first extent.
> > >
> > >
> > >
> > > The only other option to consider is 'alter table move' to
> > >
> > > move the table into a tablespace defined to use ASSM
> > >
> > > and forget about freelist groups - but I'm not very keen
> > >
> > > on ASSM for high-performance, high-concurrency systems
> > >
> > > myself.
> > >
> > >
> > >
> > > Regards
> > >
> > >
> > >
> > > Jonathan Lewis
> > >
> > >
> > >
> > > ----- Original Message -----
> > >
> > > From: "VIVEK_SHARMA" <VIVEK_SHARMA_at_infosys.com>
> > >
> > > To: <oracle-l_at_freelists.org>
> > >
> > > Sent: Wednesday, September 27, 2006 10:42 AM
> > >
> > > Subject: Altering Freelist Groups in 10gR2 ?
> > >
> > >
> > >
> > > Folks
> > >
> > >
> > >
> > > When converting a NON-RAC Database to RAC in 10.2, the freelist groups
> > >
> > > need to be altered to 4(= to the Number of RAC Nodes)
> > >
> > >
> > >
> > > How is the freelist groups to be altered?
> > >
> > >
> > >
> > > Seek to avoid usage of the CTAS command i.e. "Create Table <Duplicate
> > >
> > > Tbl Name with freelist groups 4> As Select * from Original Table"
> > > since
> > >
> > > this is very tedious
> > >
> > >
> > >
> > > Is there any performance issue/Others with using the alter approach
> > >
> > > versus the CTAS approach?
> > >
> > >
> > >
> > > Thanks indeed
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> >
> >
> > --
> > All I need to make a comedy is a park, a policeman and a pretty girl -
> > Charlie Chaplin
>
>
>
>
> --
> Best Regards,
> K Gopalakrishnan
> Co-Author: Oracle Wait Interface, Oracle Press 2004
> http://www.amazon.com/exec/obidos/tg/detail/-/007222729X/
>
> Coming Soon... Oracle RAC Handbook, Oracle Press 2006
> http://www.amazon.com/gp/product/007146509X/

-- 
All I need to make a comedy is a park, a policeman and a pretty girl -
Charlie Chaplin

--
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Received on Thu Sep 28 2006 - 01:06:43 CDT

Original text of this message

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