Performance Tuning Azure SQL Database
2 likes913 views
The document discusses performance tuning for Azure SQL Database, highlighting tools and techniques for optimizing query performance while balancing costs. It emphasizes the use of familiar SQL tools, such as T-SQL and PowerShell, and the capabilities of the Query Store for monitoring and controlling execution plans. The conclusion reinforces the importance of query tuning in saving costs and encourages learning about additional resources and tools.
Performance Tuning Azure SQL Database
- 1. Performance Tuning Azure SQL Database
- 2. GOAL • Understand the different tools, options, and capabilities needed in order to tune queries within an Azure SQL Database.
- 5. PERFORMANCE TUNING AZURE SQL DATABASE Not SQL Server • Platform as a Service • Reduced functional foot print • Radically increased functionality – Scalability – Redundancy – Maintenance #ITDEVCON
- 6. PERFORMANCE TUNING AZURE SQL DATABASE SQL Server • Under the covers, just SQL Server • Same fundamental structures • Same fundamental language #ITDEVCON
- 7. PERFORMANCE TUNING AZURE SQL DATABASE Why Tune Queries • Just use PaaS scaling? • Improve performance • Reduce overhead • Reduce costs – Query tuning saves money! #ITDEVCON
- 9. PERFORMANCE TUNING AZURE SQL DATABASE Tools: T-SQL • Works the same • Further reduction in learning curve • Full range of functionality
- 10. PERFORMANCE TUNING AZURE SQL DATABASE Tools: Powershell • Automation is your friend • New commands • Direct integration between On- premise and Azure
- 11. PERFORMANCE TUNING AZURE SQL DATABASE Tools: SSMS • Basics all work • Some GUI functions don’t work • Advanced functionality doesn’t work • Let’s you function how you’re used to #ITDEVCON
- 12. PERFORMANCE TUNING AZURE SQL DATABASE Tools: Third Party • Some work fully • Some work partially • Some don’t work at all • Few directly focused, but that is changing #ITDEVCON
- 13. DEMO #ITDEVCON
- 15. PERFORMANCE TUNING AZURE SQL DATABASE Reduced Footprint • No Trace Events • No Extended Events – Yet • No Profiler – Yay! #ITDEVCON
- 16. PERFORMANCE TUNING AZURE SQL DATABASE DBCC • SHOW_STATISTICS • SQL_PERF • Not much else – No FREEPROCCACHE – No DROPCLEANBUFFERS #ITDEVCON
- 17. PERFORMANCE TUNING AZURE SQL DATABASE Dynamic Management Views • 80% the same as Earthed SQL Server • Some unique to Azure SQL Database #ITDEVCON
- 18. PERFORMANCE TUNING AZURE SQL DATABASE Common DMVs • Sys.dm_exec_query_stats • Sys.dm_exec_procedure_stats • Sys.dm_exec_sql_text • Sys.dm_exec_query_plan • Sys.dm_os_wait_stats #ITDEVCON
- 19. PERFORMANCE TUNING AZURE SQL DATABASE Unique DMVs • Sys.dm_db_wait_stats • Sys.database_connection_stats • Sys.event_log #ITDEVCON
- 20. DEMO #ITDEVCON
- 22. PERFORMANCE TUNING AZURE SQL DATABASE What is the Query Store • “Flight Data Recorder” • Built-in query metrics • Captured execution plans #ITDEVCON
- 23. PERFORMANCE TUNING AZURE SQL DATABASE Query Store Functionality • Show query metrics • Show execution plans • Control which execution plan gets used #ITDEVCON
- 24. DEMO #ITDEVCON
- 25. PERFORMANCE TUNING AZURE SQL DATABASE Conclusion • Query tuning saves money • Process is the same • Learn additional tools available • Take advantage of them
- 26. Resources • Scarydba.com/resources • SQL Server Execution Plans • SQL Server Query Performance Tuning
- 28. Rate This Session Now! Rate with Mobile App: • Select the session from the Agenda or Speakers menus • Select the Actions tab • Click Rate Session Rate with Website: Register at www.devconnections.com/logintoratesession Go to www.devconnections.com/ratesession Select this session from the list and rate it Tell Us What You Thought of This Session Be Entered to WINPrizes! #ITDEVCON