new datafile immediately fragmented

  • From: "Doug Gernaat" <dag@xxxxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Fri, 15 Jun 2007 15:13:28 -0500

-db is 10.2.0.2...

- got a segment wanting to extend... needs 50M
- biggest extent in dba_free_space is 28M
- i add a 250M datafile to ts
- biggest extent in dba_free_space is still 28M
- select bytes from dba_free_space for newly created datafile
       BYTES
----------
  29360128
  29360128
  29360128
  29360128
  29360128
  29360128
  29360128
  29360128
  27197440

9 rows selected.

- there is my 250M fragmented
- any ideas why i can't get my one 250M extent?
- have tried this in multiple tablespaces with same result
- creating a new ts looks fine... one extent sized properly in dba_free_space
- dbms_space_admin was used to migrate all dict managed ts to local when
  moving from 9i to 10g a while back(didn't do ts reorgs)

thanks
-doug-

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