Re: Fragmentation & Locally Managed Tablespaces

From: paquette stephane <stephane_paquette_at_yahoo.com>
Date: Wed, 27 Jun 2001 23:53:14 -0700
Message-ID: <F001.0033B4A1.20010627235530@fatcity.com>

3000 extents seems a lot to me.

I usually kept the number of extents for a segment below the number of blocks kept in the extent map, the extent map depends on the OS block size. For example if the block size is 8K you should not have more than 504 extents.

• VIVEK_SHARMA <VIVEK_SHARMA_at_infy.com> a écrit : >
  > Is Fragmentation of Objects meaningless in Locally
  > managed Tablespaces
  > Assuming EXTENTS is 3,000 for Some of the Objects
  >
  > Or Do the Objects need to be DE-Fragmented using
  > exp/imp ?
  >
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Stéphane Paquette
DBA Oracle, consultant entrepôt de données Oracle DBA, datawarehouse consultant
stephane_paquette_at_yahoo.com

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Received on Thu Jun 28 2001 - 01:53:14 CDT