Heck with that. I always try to make NEXT = 100% of INITIAL extent. I also make all segments
within a given tablespace have the exact same extent sizes to avoid fragmentation.
- "McGlaughlin,Stewart" <mcglaughlin_at_attws.com> wrote:
>
> George,
>
> Let's say we have a table that is initial sized with
> INITIAL=160K and NEXT=16K and PCTINCREASE=0.
> A few weeks/months we noticed the table has
> allocated 100+ extents. If we reorg with exp
> COMPRESS=Y, drop/rebuild the table - the INITIAL
> might be resized to 2M but the NEXT is still 16K!
> This, to me, is a bad thing because in a few
> weeks/months, assuming the same growth,
> we'd be reorging again. I always try to make my
> NEXT extent = 10% of INITIAL extent with
> PCTINCREASE=0.
>
> YMMV
> -----
> Stewart McGlaughlin
> Oracle DBA
> On-site at AT&T Wireless Services
> Oracle Links @ http://www.pobox.com/~dba/oracle
> stewartm_at_iname.com
>
>
>
>
> > -----Original Message-----
> > From: George.Brennan_at_warnermusic.com [SMTP:George.Brennan_at_warnermusic.com]
> > Sent: Thursday, April 27, 2000 8:44 AM
> > To: Multiple recipients of list ORACLE-L
> > Subject: RE: Tablespace reorg tools
> >
> >
> > > Deepak,
> > >
> > > I believe COMPRESS=Y will resize the initial extent, but the next
> > > extent will remain the same size. If initial was 16K and next was
> > > 16K, and you have inserted a few thousand records, and export
> > > with COMPRESS=Y, oracle will recalculate the initial (so all records
> > > fit in the initial extent) *but* the next extent will still be 16K.
> > > This is usually a *bad* thing.
> > >
> >
> > Ok, I'll bite, why is it usually a *bad* thing?
> >
> > George.
> >
> >
> > --
> > Author:
> > INET: George.Brennan_at_warnermusic.com
> >
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> --
> Author: McGlaughlin,Stewart
> INET: mcglaughlin_at_attws.com
>
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Received on Thu Apr 27 2000 - 09:59:27 CDT
