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Re: locally managed autoallocate (was: Separate Indexes and

From: Wolfgang Breitling <breitliw_at_centrexcc.com>
Date: Tue, 30 Sep 2003 18:49:34 -0800
Message-ID: <F001.005D18C0.20030930184934@fatcity.com>


At 06:29 PM 9/30/2003 -0800, I wrote:

>So the 1M initial extent allocation is not due to a "5 block minimum
>allocation rule" but due to the fact that automatic space management
>requires 3 blocks plus 1 block for the segment header plus 1 block for
>actual data = 5 blocks, which lifts the request above the 64K threshold
>for a tablespace with 16K extents.

The "which lifts the request above the 64K threshold for a tablespace with 16K extents" is poorly worded. What I meant to say is "For a tablespace with a 16K block size those 5 blocks come to 80K which is more than the 64K first tier for autoallocated extents and you thus get 1 extent of the next tier size: 1M"

>Wolfgang Breitling
>Centrex Consulting Corporation
>http://www.centrexcc.com
>
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>Please see the official ORACLE-L FAQ: http://www.orafaq.net
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>Author: Wolfgang Breitling
> INET: breitliw_at_centrexcc.com
>
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Wolfgang Breitling
Centrex Consulting Corporation
http://www.centrexcc.com

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Author: Wolfgang Breitling
  INET: breitliw_at_centrexcc.com

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Received on Tue Sep 30 2003 - 21:49:34 CDT

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