2. Ramesh Meyyappan rmeyyappan@sqlworkshops.com SQL Server Performance Tuning Consultant & Trainer SQLWorkshops.comSQLWorkshops.com / SQLIO.comSQLIO.com Maximizing your existing Hardware

3. 3 Agenda / Exploiting the capacity Storage: SAN / RAID Memory CPU Balanced Plan Caching

4. 4 Utilizing the Storage Performance Potential Working all the available disk spindles in parallel Achieving high real Data Transfer Rate Understanding Prefetch / Read Ahead Disk Seconds / Read

5. 5 Utilizing the available Memory Avoiding spills to tempdb Wait Type / Profiler Events SLEEP_TASK / Hash Warning IO_COMPLETION / Sort Warnings Balanced Plan Caching

6. 6 Scaling across many CPU cores Parallel Query execution Wait type: CXPACKET, SLEEP_TASK Configuration setting: MAXDOP Utilizing CPUs efficiently Measuring external CPU pressure

7. 7 Related Content SQLBits.com April 16, 2010 @Church House Conference Centre, London Monitoring and Tuning Parallel Query Execution @SQLBits Performance Monitoring & Tuning: Documented Tips & Tricks @SQLBits Inside the SQL Server Query Optimizer @SQLBits High performance functions @SQLBits Level 400 SQL Server 2008 Performance Monitoring & Tuning Workshop June 22-24, 2010 in London; details: SQLWorkshops.com / SQLIO.comSQLWorkshops.comSQLIO.com

8. © 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.