Profiling .NET Server Applications

Profiling .NET Server Applications Talk on Umbraco
UK Festival 2015, London, UK

Transcript

1. Profiling .NET Server
   Applications
   Tugberk Ugurlu
   Redgate Software
   @tourismgeek
   http://tugberkugurlu.com
   

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2. tugberkugurlu.com
   

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3. @tourismgeek
   

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6. @redgate
   @RedGateCareers
   red-gate.com/careers
   

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7. Agenda
   • Nature of Server Applications
   • Profiling Application Logs and Server
   • Profiling Performance Problems
   • Profiling Memory Problems
   • Load Testing
   

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8. Server Applications
   • Applications Runs under IIS
   • Windows Services
   • Self-hosted Web Applications
   • Worker processes
   

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9. Characteristics of Server Applications
   • Stateless
   • Multiple Instances
   • Concurrent
   • Spreaded and Connected
   • Multiple Versions at the Same Time
   

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10. v1api.example.com v1api.example.com
    DB
    Worker-1
    Worker-2 Worker-3 Worker-4
    Message Queue System
    v2api.example.com v1api.example.com
    

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11. “Sometimes, you need all the connected
    process data to identify the problem.
    

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12. Logging
    • Rich Logging
    • Application Logs
    • Server Logs
    • Storing the Logs (Elasticsearch)
    • Centralized Logging (Logstash)
    • Analysing the logs (Kibana)
    • Log correlation
    

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13. Logging - Log Correlation
    

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14. DEMO TIME
    

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15. Application Performance Profiling
    • Identifying the problem
    • Pining the problem down
    

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16. ANTS Performance Profiler from Redgate
    

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17. ANTS Performance Profiler from Redgate
    

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18. DEMO TIME
    

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19. Application Memory Profiling
    • Identifying Memory Problems
    • Taking memory snapshots to analyse
    • Pinning the problem down
    

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20. ANTS Memory Profiler from Redgate
    

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21. ANTS Memory Profiler from Redgate
    

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22. ANTS Memory Profiler from Redgate
    

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23. DEMO TIME
    

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24. WinDbg and ProcDump
    • Dump file and WinDbg
    • WinDbg: https://msdn.microsoft.com/en-
    us/windows/hardware/hh852365.aspx
    • ProcDump: https://technet.microsoft.com/en-
    gb/sysinternals/dd996900.aspx
    C:\>procdump -ma outlook -p
    "\Process(Outlook)\Handle Count" 10000
    

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25. Server Profiling
    • Event Logs
    • Performance Counters
    

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26. Performance Counters
    

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27. Event Logs
    

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29. Load Testing
    

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30. Load Testing
    

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31. Network Profiling
    • Network problems
    • Watching what is being sent and recived
    • Fiddler
    • Wireshark
    

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32. www.red-gate.com/dotnet-tips
    

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33. Resources
    • ANTS Performance Profiler and ASP.NET 5: http://bit.ly/1LYO86Y
    • ASP.NET 5 Log Correlation: http://bit.ly/1Wiv08B
    • Assembly Memory Leak Sample: http://bit.ly/1HfbTWi
    • Memory Profiling an Application on IIS: http://bit.ly/1M0rEm7
    • Performance Counters with PowerShell: http://bit.ly/1LFiuNO
    • Diving into Diagnostics on ASP.NET 5: http://bit.ly/1WmqJB2
    

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