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Monitoring Microsoft Azure SQL Server VMs and SQL Database

Monitoring Microsoft Azure SQL Server VMs and SQL Database. Grant Fritchey grant@scarydba.com. Goals. Understand the different parts of the architecture that can be monitored Learn about the tools used for monitoring

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Monitoring Microsoft Azure SQL Server VMs and SQL Database

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  1. Monitoring Microsoft Azure SQL Server VMs and SQL Database Grant Fritchey grant@scarydba.com

  2. Goals • Understand the different parts of the architecture that can be monitored • Learn about the tools used for monitoring • Identify the differences between monitoring a physical box, a local VM and a hosted environment

  3. Get in touch Grant Fritchey scarydba.com grant@scarydba.com @gfritchey

  4. Monitoring as the Basis of Knowledge • Monitoring is the ultimate example of knowledge is power • Is the server online and available • Are there errors we need to know about • What does the performance look like • Immediate performance information • Historical performance information • Ability to compare to a known state

  5. Architectural Differences • The hardware is effectively invisible • Within Azure, you get what Microsoft gives you • Most tools are already known to you • Automation is available • It’s on the cloud

  6. What Can Be Monitored • Azure • Microsoft Azure SQL Database (MASD) • Azure SQL Server Virtual Machine • Blob Storage

  7. Azure: What Can You Monitor? • Azure Service • Azure applications • Various Azure components • As a SQL Server DBA • Beyond availability, not much here

  8. Azure: Tools • Windows Azure Service Dashboard • Azure Management Portal • Service level diagnostics data (Azure Applications, outside our scope) • Azure SDK • System Center Azure Monitoring Pack • 3rd Party

  9. Azure Monitoring Demo

  10. MASD: What Can You Monitor • Availability • Connectivity • Core query performance • Deadlocks • Errors • Throttling • But you can’t monitor • Extended query performance • Disk I/O • Detailed performance metrics • Most internals

  11. MASD: Tools • Azure Management Portal • Windows Azure SQL Database Portal • Dynamic Management Objects (DMOs)

  12. SQL Database Monitoring Demo

  13. Azure VM: What Can You Monitor • It’s Windows • Availability • Internally, everything you expect to see • Externally, no access to underlying hardware • It’s SQL Server • Internally, everything you expect to see • Relationship to Windows, exactly what you expect • Externally, no access to underlying hardware • It’s a VM • Internal behaviors still related to standard templates • I/O can be observed • No other external access

  14. Azure SQL Server VM: Tools • Standard tool set • Performance Monitor • Extended Events • Trace Events • Dynamic Management Objects • Performance Monitor Counters • Additional Tools • AzureTools • Event Viewer • Logs • Azure SDK • 3rd Party

  15. VM Monitoring Demo

  16. Blob Storage: What Can You Monitor • Ingress/Egress • Availability • Latency • Capacity • Others

  17. Blob Storage: Tools • Azure Management Portal • Azure SDK

  18. Storage Monitoring Demo

  19. General Recommendations • Retry Logic • Plan for outage • Not because Azure is bad, but because it’s the internet • Build in logging and tracing • And make that configurable • Instrument your code • Treat T-SQL the same as ever • Although MASD data collection is limited • Focus on VM internals • Surrender control over the external system • Except for I/O • That you can monitor • To speed I/O, look to put static content on a nearby Content Delivery Network (CDN) • Take regular baselines

  20. More Recommendations • Right-size the CPU • You pay for what you use, but dedicating CPU to you is the same thing as using them. • Enable Read/Write cache • On by default • High I/O switch to none • Latency sensitive and low I/O switch to read • Create an Availability Group for your VMs

  21. Most Important Recommendations • Don’t trust anything I’ve told you about recommendations • Don’t trust anything Microsoft tells you about recommendations • Verify everything through testing

  22. References • Monitoring Windows Azure SQL Database Using Dynamic Management Views • SQL on Azure VM • Troubleshooting in Windows Azure • How to Monitor a Storage Account • Windows Azure – Troubleshooting & Debugging • Azure SQL Server VM Disk Configuration • Collect Logging Data by Using Windows Azure Diagnostics • Take Control of Logging and Tracing in Windows Azure • Troubleshooting and Monitoring for SQL Server in Azure Virtual Machines • Windows Azure SQL Database Performance and Elasticity Guide • Performance Guidance for SQL Server in Windows Azure Virtual Machines

  23. Goals • Understand the different parts of the architecture that can be monitored • Learn about the tools used for monitoring • Identify the differences between monitoring a physical box, a local VM and a hosted environment

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