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John Paul Cook

TechEd 2014 Day 4

Many people visiting the SQL Server booth wanted to know how to improve performance. With so much attention being given to COLUMNSTORE and in-memory tables and stored procedures, it is easy to overlook how important tempdb is to performance. Speeding up tempdb I/O improves performance. The best way to do this is to not do the I/O in the first place. With SQL Server 2014, tempdb page management is smarter. Pages are more likely to be released before being unnecessarily flushed to disk. Read more about it here.

Of course, not all tempdb I/O can be eliminated. Performance can be improved by moving database files to flash memory storage. To maximize the performance benefits of flash storage, buffer pool extensions should be enabled.

Published Friday, May 16, 2014 12:22 AM by John Paul Cook

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About John Paul Cook

John Paul Cook is a Technology Solution Professional for Microsoft's data platform and works out of Microsoft's Houston office. Prior to joining Microsoft, he was a Microsoft SQL Server MVP. He is experienced in Microsoft SQL Server and Oracle database application design, development, and implementation. He has spoken at many conferences including Microsoft TechEd and the SQL PASS Summit. He has worked in oil and gas, financial, manufacturing, and healthcare industries. John is also a Registered Nurse who graduated from Vanderbilt University with a Master of Science in Nursing Informatics and is an active member of the Sigma Theta Tau nursing honor society. He volunteers as a nurse at safety net clinics. Contributing author to SQL Server MVP Deep Dives and SQL Server MVP Deep Dives Volume 2.

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