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 High Fragmentation Indexes
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Starting Member

6 Posts

Posted - 07/10/2014 :  21:34:21  Show Profile  Reply with Quote
Hi All,

At the moment I am tuning the indexes with high fragmentation ..I created a maintenance plan for rebuild /reorganize ( set the logic for fragmentation above 50% then I will do rebuild , otherwise I will reorganize ... fill factor = 80 . I also filtered by the number of page count.
noticed there is 1 index which is fragmented very quickly starting from 2 am until 7 am .
I did rebuild / reorganize every 2 am ( after log backup at 12 am)
I believe after rebuild it will become 0% but after 3 hours it will become 80% I guess...

I check the unused index data ( using the script ) and for that index i got this data :

User_Seek : 0
User_Scans : 16
User_lookup : 0
User_updates : 1.128.932

I wonder that I should just drop this index or keep maintain it with rebuild it AGAIN after a few hours later ...

Please kindly advice...thanks heaps


Almighty SQL Goddess

38200 Posts

Posted - 07/11/2014 :  12:06:17  Show Profile  Visit tkizer's Homepage  Reply with Quote
Is the fragmentation causing performance issues? If it isn't, and it likely isn't, then just reorg/rebuild it as per your normal index maintenance schedule.

How many rows are in this table? How many pages are in the index?

Tara Kizer
SQL Server MVP since 2007
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