Hi Fazia,

I would recommend the following white paper, it advocates using the SAFE
methodology.

HOW TO STOP DEFRAGMENTIING AND START LIVING
Bhaskar Himatsingka, Oracle Corporation
& Juan Loaiza, Oracle Corporation



You can find the paper on Cary Millsap's site.   www.hotsos.com



Sincerely,
      
Jay


Jay Earle, BSc(CS)  ([EMAIL PROTECTED])
DBA,  Operations Group
SmartForce, Learning Solutions for the Human Enterprise
-----Original Message-----
Sent: Tuesday, May 28, 2002 3:30 PM
To: Multiple recipients of list ORACLE-L


> An example:  Think of load a lot of data into a table, and then load
> on a  very limited basis.   This tells me to create a large first
>extent that  everything can fit into.  

why? there is no benefit to that


--- basher 59 <[EMAIL PROTECTED]> wrote:
> No.   I can think of several reason when you would not wan them the
> save.  
> An example:  Think of load a lot of data into a table, and then load
> on a 
> very limited basis.   This tells me to create a large first extent
> that 
> everything can fit into.  Example:  Say 100M  and then you may want
> to make 
> next extents 5M.   Based on the fact that you won't be reaching the
> second 
> extent for a while.
> 
> Also the temp tablespace is used to sort.   I had an instance where
> the 
> sorts were taking a long time.   I looked at the temp tablespace and
> found 
> out that my current sort was using 300 extents of a very small size. 
>  I 
> increase my extent size to a large number, where the sort only took 4
> 
> extents and it really speeded up my sort.   To optimize everything I
> look at 
> the majority of my sorts and tried to make my first entent give me 90
> % of 
> these sorts.  Which was somewhat small, and then I made my next
> extents 
> large enough so my largest sort did not use more than about (5 to 10)
> 
> extents.
> 
> MN
> 
> 
> >From: "Malik, Fawzia" <[EMAIL PROTECTED]>
> >Reply-To: [EMAIL PROTECTED]
> >To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
> >Subject: storage parameters
> >Date: Tue, 28 May 2002 08:18:37 -0800
> >
> >
> >Hi,
> >
> >Does Oracle reccommend having the initial and next extents set at
> the same
> >values???
> >I am tidying up a current schema and the values are non uniform all
> the way
> >through- any comments would be very much appreciated
> >
> >Rgds
> >
> >Fawzia
> >
> >
>
>**********************************************************************
> >Information in this email is confidential and may be privileged.
> >It is intended for the addressee only. If you have received it in
> error,
> >please notify the sender immediately and delete it from your system.
> >You should not otherwise copy it, retransmit it or use or disclose
> its
> >contents to anyone.
> >Thank you for your co-operation.
>
>**********************************************************************
> >
> >--
> >Please see the official ORACLE-L FAQ: http://www.orafaq.com
> >--
> >Author: Malik, Fawzia
> >   INET: [EMAIL PROTECTED]
> >
> >Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
> >San Diego, California        -- Public Internet access / Mailing
> Lists
> >--------------------------------------------------------------------
> >To REMOVE yourself from this mailing list, send an E-Mail message
> >to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
> >the message BODY, include a line containing: UNSUB ORACLE-L
> >(or the name of mailing list you want to be removed from).  You may
> >also send the HELP command for other information (like subscribing).
> 
> 
> _________________________________________________________________
> Get your FREE download of MSN Explorer at
> http://explorer.msn.com/intl.asp.
> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> -- 
> Author: basher 59
>   INET: [EMAIL PROTECTED]
> 
> Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
> San Diego, California        -- Public Internet access / Mailing
> Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from).  You may
> also send the HELP command for other information (like subscribing).


__________________________________________________
Do You Yahoo!?
Yahoo! - Official partner of 2002 FIFA World Cup
http://fifaworldcup.yahoo.com
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Rachel Carmichael
  INET: [EMAIL PROTECTED]

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Jay Earle (DBA)
  INET: [EMAIL PROTECTED]

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).

Reply via email to