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Can I really consolidate my SQL Server database?

Can I really consolidate my SQL Server database?. Denny Cherry Manager of Information Systems dcherry@awarenesstech.com MVP, MCSA, MCDBA, MCTS, MCITP. Why we consolidate. Reduce server count Reduce Cooling Costs Reduce Power Costs Reduce license costs Take advantage of faster servers.

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Can I really consolidate my SQL Server database?

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  1. Can I really consolidate my SQL Server database? Denny Cherry Manager of Information Systems dcherry@awarenesstech.com MVP, MCSA, MCDBA, MCTS, MCITP

  2. Why we consolidate • Reduce server count • Reduce Cooling Costs • Reduce Power Costs • Reduce license costs • Take advantage of faster servers

  3. Consolidation Options • Multiple Databases in a single instance • Multiple Instances on a single server • Multiple virtual servers into one physical server

  4. Multiple Databases 1 Instance • Saves on License Costs • Saves on Hardware Costs • Shared Buffer Cache • Shared Procedure Cache • Shared CPUs • No control of buffer/proc cache size

  5. Multiple Instances 1 Server • Save on License Costs • Save on Hardware Costs • Separate Buffer Cache • Separate Procedure Cache • Shared or Isolated CPUs • Influence buffer/proc cache sizes via max memory

  6. Multiple virtual servers 1 host • Save on Hardware Costs • Can save on License costs • Separate Buffer Cache • Separate Procedure Cache • Shared or Isolated CPUs • Control of cache size by controlling VM resources

  7. How to select a technique • CPU Load • Buffer Cache Size • Procedure Cache Size • Page Life Expectancy • Disk IO Load • Legacy Server CPU & RAM

  8. When is it not going to work • All servers have high CPU Loads • All servers have large buffer cache requirements • One or more servers have large procedure cache requirements • JBOD can’t handle the IO • Single Server can’t handle the RAM

  9. More Reading • When and How to Consolidate • http://bit.ly/bFx8il • Server Consolidation with SQL Server 2008 (MS) • http://bit.ly/catkb2 • SQL Server Consolidation on the 64-Bit Platform (TechNet) • http://bit.ly/90Ql4M

  10. Can I really consolidate my SQL Server database? Denny Cherry dcherry@awarenesstech.com http://itke.techtarget.com/sql-server Please rate this presentation at http://speakerrate.com/mrdenny

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