Debugging performance issues, hangs, crashes and memory problems with memory dumps

1. CSI .NET CORE
TESS FERRANDEZ

2. TESS
SOFTWARE
ENGINEER
(EX. DEV SUPPORT)
@MICROSOFT

3. HIGH
MEMORY
USAGE
CRASHES
EXCEPTIONS
BAD
PERFORMANCE
@TessFerrandez

4. AZURE
LINUX
OR MAC
INTERKITTENT
NO STEP BY STEP

5. .NET INTERNALS
@TessFerrandez

6. HIGH MEMORY USAGE
@TessFerrandez

7. WHAT IS USING UP THE MEMORY?
WHY ISN’T IT GOING AWAY?
@TessFerrandez

8. DEMO
MEMORY ISSUE ON LINUX
@TessFerrandez

9. DOTNET COUNTERS
DOTNET GCDUMP
DOTNET DUMP
@TessFerrandez

10. www.TessFerrandez.com
@TessFerrandez

11. ROOTS
THREADS
STATICS
PINNED
CACHE
FINALIZEQUEUE
@TessFerrandez

12. .NET MEMORY MANAGEMENT AND
GARBAGE COLLECTION
@TessFerrandez

13. @TessFerrandez

14. DEMO
GC MEMORY LAYOUT
@TessFerrandez

15. @TessFerrandez

16. @TessFerrandez

17. @TessFerrandez

18. @TessFerrandez

19. MARK - SWEEP - COMPACT
@TessFerrandez

20. GENERATIONS
@TessFerrandez

21. LARGE OBJECT HEAP
@TessFerrandez

22. @TessFerrandez

23. DEMO
MEMORY ISSUES PART II
@TessFerrandez

24. Finalizers - C# Programming Guide | Microsoft Docs @TessFerrandez

25. DOTNET COUNTERS
DOTNET GCDUMP
DOTNET DUMP
DOTNET SOS
DOTNET SYMBOLS
WINDBG (STORE)
@TessFerrandez

26. Github.com/Maoni0/mem-doc
@TessFerrandez

27. BAD PERFORMANCE
@TessFerrandez

28. WHAT ARE WE DOING?
WHY IS IT TAKING SO LONG?
@TessFerrandez

29. DEMO
HIGH CPU – ON AZURE
@TessFerrandez

30. DEMO
HANG - PARALLEL STACKS IN VS
@TessFerrandez

31. DOTNET COUNTERS
DOTNET GCDUMP
DOTNET DUMP
DOTNET SOS
DOTNET SYMBOLS
WINDBG (STORE)
AZURE DIAGNOSTICS
DEBUG DIAG
PROCDUMP
VISUAL STUDIO
@TessFerrandez

32. CRASHES
@TessFerrandez

33. WHAT JUST HAPPENED?
@TessFerrandez

34. DEMO
CRASH – WER
@TessFerrandez

35. WINDBG
DEBUG DIAG
VISUAL STUDIO
AZURE DIAGNOSTIC TOOLS
PROCDUMP (SYSINTERNALS)
VS PROFILERS
DOTNET DUMP
DOTNET GCDUMP
DOTNET SOS
DOTNET SYMBOLS
DOTNET COUNTERS
DOTNET TRACE
@TessFerrandez

36. www.TessFerrandez.com
@TessFerrandez