Oracle-L: RE: DBA_EXTENTS problem

From: Seefelt, Beth <Beth.Seefelt_at_TetleyUSA.com>
Date: Thu, 09 May 2002 10:14:49 -0800
Message-ID: <F001.0045D0D6.20020509101449@fatcity.com>

Sounds like a fragmentation problem.

This will help you identify the segments with a large number of fragments. They are good candidates for reorganization.

HTH, Beth

select a.tablespace_name as tablespace,

        cast(a.segment_name as char(30)) as segment,
        a.partition_name as partition,
        count(1) as count,
        decode(b.extent_management,'LOCAL','Y','N') as LMT
  from  dba_extents a,
        dba_tablespaces b

where a.tablespace_name = b.tablespace_name having count(1) > 1
group by a.tablespace_name,

        a.segment_name,
        a.partition_name,
        decode(b.extent_management,'LOCAL','Y','N')

order by count(1) desc

-----Original Message-----
Sent: Thursday, May 09, 2002 1:59 PM
To: Multiple recipients of list ORACLE-L

Dear List,

When I query dba_extents , Iam getting response after half an hour to 40 minutes, but when I query any other dictionary view it is spontaneous. Everything else is fine in the database and there are no problems, except
the above problem. Iam not getting any clue how to fix this. Iam thinking of
running catalog.sql and catproc.sql as a last resort. Iam not sure it would
fix the problem. Please let me know if there is any other way to fix this
problem.

Thanks,
Babu

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Author: Janardhana Babu Donga
INET: jbdonga_at_ucdavis.edu

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Author: Seefelt, Beth
INET: Beth.Seefelt_at_TetleyUSA.com

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