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Extents Allocated > 200


Extents Allocated > 200

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Dana Bibeault
Dana Bibeault
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We are running a DB performance monitor. It shows extents allocated >200. We run DBCC SHOWCONTIG on a table and shows:
Scan density is 20%
Logical Scan Fragmemtation is 40%
Extent Scan Fragmentation is 77%

others show:

Scan density is 66%
Logical Scan Fragmemtation is 0%
Extent Scan Fragmentation is 66%

Is there a problem here and if so how do I fix? We have run DBCC REINDEX on the tables but it did not correct the numbers.

thanks,
Adam Bean
Adam Bean
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You might want to run a DBCC UPDATEUSAGE to ensure you're still receiving the correct numbers.

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SQLSlayer
Making SQL do what we want it to do.
Dana Bibeault
Dana Bibeault
SSC Eights!
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That's the scary part, we did run updateusage!!!
Matt Miller (4)
Matt Miller (4)
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Does this table have a clustered index? Because heaps (tables without a clustered index) essentially can't be defragmented: the only way to approximate it is to create another table and copy all records into the new table.

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Your lack of planning does not constitute an emergency on my part...unless you're my manager...or a director and above...or a really loud-spoken end-user..All right - what was my emergency again?
Dana Bibeault
Dana Bibeault
SSC Eights!
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Great, thanks, there are no clustered indexes on the table.
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