No Significant Fragmentation? Look Closer…

Posted on Simple Talk See other posts from Simple Talk
Published on Tue, 28 Feb 2012 00:00:00 GMT Indexed on 2012/03/18 18:15 UTC
Read the original article Hit count: 190

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Database Administration

If you are relying on using 'best-practice' percentage-based thresholds when you are creating an index maintenance plan for a SQL Server that checks the fragmentation in your pages, you may miss occasional 'edge' conditions on larger tables that will cause severe degradation in performance. It is worth being aware of patterns of data access in particular tables when judging the best threshold figure to use.

No Significant Fragmentation? Look Closer…

Posted on SQL Server Central See other posts from SQL Server Central
Published on Wed, 14 Mar 2012 06:00:00 UT Indexed on 2012/03/18 18:14 UTC
Read the original article Hit count: 190

Filed under:

If you are relying on using 'best-practice' percentage-based thresholds when you are creating an index maintenance plan for a SQL Server that checks the fragmentation in your pages, you may miss occasional 'edge' conditions on larger tables that will cause severe degradation in performance. It is worth being aware of patterns of data access in particular tables when judging the best threshold figure to use.

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