What does "SELECT * FROM DBA_TABLESPACES" show for the tablespace involved?
- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
Sent: Tuesday, May 14, 2002 12:53 PM
> Tim,
>
> Thanks for the explanation. The table I'm looking at
> has an initial size 32K while the new extents are all
> 16K. Why would this happen?
>
> thanks
>
> Gene
> --- Tim Gorman <Tim_at_sagelogix.com> wrote:
> > SQL*Loader in direct-parallel mode (i.e.
> > DIRECT=TRUE, PARALLEL=TRUE) first
> > loads into a TEMPORARY segment. After the load
> > completes, then the
> > TEMPORARY segment is "merged" with the table
> > segment. All of the "direct"
> > (a.k.a. "append") operations work this way when
> > executed in parallel (i.e.
> > INSERT /*+ APPEND PARALLEL */, CREATE INDEX ...
> > PARALLEL, CREATE TABLE ...
> > PARALLEL ... AS SELECT, etc)...
> >
> > Only SQL*Loader's direct-nonparallel mode (i.e.
> > DIRECT=TRUE, PARALLEL=FALSE)
> > loads into space on the table segment above the
> > current "high-water mark".
> > That expected scenario is probably the reason why
> > you expect all new extents
> > to be sized according to NEXT...
> >
> > So, the newly added extents were probably "INITIAL"
> > extents for the original
> > TEMPORARY segments, before they were merged into the
> > table segment, perhaps?
> >
> > ----- Original Message -----
> > To: "Multiple recipients of list ORACLE-L"
> > <ORACLE-L_at_fatcity.com>
> > Sent: Tuesday, May 14, 2002 10:33 AM
> >
> >
> > > Hi,
> > >
> > > I'm confused by the way some of my extents are
> > > allocated in Oracle. I've talked to Oracle reps, I
> > > thing I've posted here before and jsut when I
> > thought
> > > I got an understanring - ooops, everything is
> > gone. So
> > > I'll give it another try. I have a table with
> > initial
> > > set to 32K and next set to 1M. This table is being
> > > loaded on a daily basis via Ab initio. The load is
> > > done by SQL*loader in direct mode in parallel (I
> > > believe it is 8 ways). Now all the segments that
> > have
> > > been created for this table (besides the 1st one)
> > are
> > > 16K. Where does this size come from? I thought it
> > > should use the NEXT parameter for the new extents,
> > but
> > > it doesn't. Can someone give me some pointers?
> > >
> > > thanks
> > >
> > > Gene
> > >
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--
Author: Tim Gorman
INET: Tim_at_SageLogix.com
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
San Diego, California -- Public Internet access / Mailing Lists
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Received on Tue May 14 2002 - 14:48:23 CDT
