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Dynamic-Tracing

OpenResty XRay Mar 3, 2026

OpenResty XRay Updated Mar 3, 2026 14 mins read

How OpenResty XRay Enables Full-Stack Dynamic Tracing in Production

openresty-xray Ylang dynamic-tracing
  • Where Do Existing Dynamic Tracing Frameworks Fall Short in Production?
  • How Did OpenResty XRay Rethink Dynamic Tracing at the Architecture Level?
  • What Is a Full-Stack Flame Graph and How Do You Use It to Diagnose Performance Bottlenecks?
  • How Is OpenResty XRay Expanding Its Observability Coverage Over Time?
  • Further Reading and Real-World Case Studie
  • Where Do Existing Dynamic Tracing Frameworks Fall Short in Production?
  • How Did OpenResty XRay Rethink Dynamic Tracing at the Architecture Level?
  • What Is a Full-Stack Flame Graph and How Do You Use It to Diagnose Performance Bottlenecks?
  • How Is OpenResty XRay Expanding Its Observability Coverage Over Time?
  • Further Reading and Real-World Case Studie

OpenResty XRay Jul 2, 2025

OpenResty XRay Updated Jul 2, 2025 10 mins read

The Swiss Army Knife for Dynamic Tracing, How Ylang Tames Complexity

tutorial openresty-xray Ylang dynamic-tracing
  • Industry Pain Point: Why We Desperately Need a New Tracing Language
  • The Core Tech: What Makes Y Language a Game-Changer?
  • Ylang Syntax: The Familiarity of C, The Power of Advanced Tracing
  • Killer Applications: Solving Problems Beyond the Reach of Traditional Tools
  • Universal Platform Support: Y Lang Goes Everywhere
  • Compiler Wizardry: Forging a Superior Language with Superior Tools
  • Industry Pain Point: Why We Desperately Need a New Tracing Language
  • The Core Tech: What Makes Y Language a Game-Changer?
  • Ylang Syntax: The Familiarity of C, The Power of Advanced Tracing
  • Killer Applications: Solving Problems Beyond the Reach of Traditional Tools
  • Universal Platform Support: Y Lang Goes Everywhere
  • Compiler Wizardry: Forging a Superior Language with Superior Tools

OpenResty XRay Oct 14, 2025

OpenResty XRay Updated Oct 14, 2025 11 mins read

Why Dynamic Tracing is the Future of Production Troubleshooting

tutorial openresty-xray Ylang dynamic-tracing
  • The Unseen Crisis in Modern Software
  • Why Traditional Tools Are Failing
  • Dynamic Tracing: The New Paradigm for Troubleshooting
  • The OpenResty XRay Difference
  • From Firefighting to True Observability
  • The Unseen Crisis in Modern Software
  • Why Traditional Tools Are Failing
  • Dynamic Tracing: The New Paradigm for Troubleshooting
  • The OpenResty XRay Difference
  • From Firefighting to True Observability

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 10 mins read

Deep Dive into Dynamic Tracing Technology: How OpenResty XRay Revolutionizes Problem Diagnosis

tutorial openresty-xray Ylang dynamic-tracing
  • Dynamic Tracing: A Powerful Tool for Solving Complex System Issues
  • Why Choose OpenResty XRay?
  • Product Focus: XRay Applications in Real-World Scenarios
  • Common Misconceptions and FAQs: What You Might Want to Know About Dynamic Tracing
  • Dynamic Tracing: A Powerful Tool for Solving Complex System Issues
  • Why Choose OpenResty XRay?
  • Product Focus: XRay Applications in Real-World Scenarios
  • Common Misconceptions and FAQs: What You Might Want to Know About Dynamic Tracing

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 7 mins read

The Next Stop for Observability: How OpenResty XRay Redefines Problem Troubleshooting

tutorial openresty-xray Ylang dynamic-tracing
  • Why is Problem Troubleshooting Becoming Increasingly Difficult in Modern Software Architecture?
  • Trend Insights: The Future of Observability Technology
  • How Does Dynamic Tracing Technology Break Through Abstraction Layers?
  • Use Case: Real-time Statistics of Plugin Resource Consumption in Production Kong Services
  • Conclusion
  • Why is Problem Troubleshooting Becoming Increasingly Difficult in Modern Software Architecture?
  • Trend Insights: The Future of Observability Technology
  • How Does Dynamic Tracing Technology Break Through Abstraction Layers?
  • Use Case: Real-time Statistics of Plugin Resource Consumption in Production Kong Services
  • Conclusion

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 7 mins read

Traditional Methods vs. Dynamic Tracing: A Revolution in Efficiency and Control

tutorial openresty-xray Ylang dynamic-tracing
  • A Revolution in Efficiency and Control
  • Dynamic Tracing: X-Ray Vision for Your Systems
  • From Flame Graphs to System Panorama
  • Why Choose OpenResty XRay?
  • The Future of Observability: New Frontiers in Dynamic Tracing
  • A Revolution in Efficiency and Control
  • Dynamic Tracing: X-Ray Vision for Your Systems
  • From Flame Graphs to System Panorama
  • Why Choose OpenResty XRay?
  • The Future of Observability: New Frontiers in Dynamic Tracing

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 10 mins read

Why is Dynamic Tracing Difficult to Implement? How Does OpenResty XRay Break Through?

tutorial openresty-xray Ylang dynamic-tracing
  • Why is Problem Troubleshooting Becoming Increasingly Difficult in Modern Software Architecture?
  • Trend Insights: The Future of Observability Technology
  • How Does Dynamic Tracing Technology Break Through Abstraction Layers?
  • Use Case: Real-time Statistics of Plugin Resource Consumption in Production Kong Services
  • Conclusion
  • Why is Problem Troubleshooting Becoming Increasingly Difficult in Modern Software Architecture?
  • Trend Insights: The Future of Observability Technology
  • How Does Dynamic Tracing Technology Break Through Abstraction Layers?
  • Use Case: Real-time Statistics of Plugin Resource Consumption in Production Kong Services
  • Conclusion

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 7 mins read

Use C++ to Dynamic-Trace C++ Applications

stl c++ ebpf openresty-xray dynamic-tracing
  • Setting Up the Target C++ Program
  • Crafting the C++ (or Y++) Analyzer
  • Operationalizing the Target and Analyzer
  • Advancing Support for Complex C++ Applications
  • About the Debug Symbols
Photo by Yichun Zhang
  • Setting Up the Target C++ Program
  • Crafting the C++ (or Y++) Analyzer
  • Operationalizing the Target and Analyzer
  • Advancing Support for Complex C++ Applications
  • About the Debug Symbols

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 26 mins read

The Wonderland of Dynamic Tracing (Part 1 of 3)

dynamic-tracing openresty-xray
  • Dynamic Tracing
  • What It Is
  • Too Good to be True?
  • How it Works
  • Still Having Doubts?
  • The Advantages of Dynamic Tracing
  • DTrace
  • SystemTap
  • DTrace and SystemTap
  • Applications of SystemTap in Production
Photo by Philip Brown
  • Dynamic Tracing
  • What It Is
  • Too Good to be True?
  • How it Works
  • Still Having Doubts?
  • The Advantages of Dynamic Tracing
  • DTrace
  • SystemTap
  • DTrace and SystemTap
  • Applications of SystemTap in Production

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 7 mins read

The Wonderland of Dynamic Tracing (Part 3 of 3)

dynamic-tracing openresty-xray
  • Dynamic Tracing Support in Linux Kernels
  • Hardware Tracing
  • Analyze Remains of Dead Process
  • Traditional Debugging Technologies
  • A Messy World of Debugging
  • OpenResty XRay
Photo by L N
  • Dynamic Tracing Support in Linux Kernels
  • Hardware Tracing
  • Analyze Remains of Dead Process
  • Traditional Debugging Technologies
  • A Messy World of Debugging
  • OpenResty XRay

OpenResty XRay Apr 6, 2026

OpenResty XRay Updated Apr 6, 2026 8 mins read

One String Value Crashed Asia's Biggest Streaming Site β€” We Found It with OpenResty XRay

dynamic-tracing openresty-xray bilibili
  • The Platform Behind Hundreds of Millions of Streams
  • When Rebooting Doesn’t Help
  • Finding the Root Cause Without Touching a Single Line of Code
  • One Type Mismatch, Entire System Down
Photo by Yichun Zhang
  • The Platform Behind Hundreds of Millions of Streams
  • When Rebooting Doesn’t Help
  • Finding the Root Cause Without Touching a Single Line of Code
  • One Type Mismatch, Entire System Down

OpenResty XRay Apr 6, 2026

OpenResty XRay Updated Apr 6, 2026 11 mins read

Tracing the Slowest PCRE Regular Expressions in OpenResty or Nginx Processes

regexes openresty-xray dynamic-tracing nginx
  • System Environment
  • Narrowing Down the Culprit without Guessing
  • Limiting the execution overhead of PCRE
  • Non-Backtracking Regular Expression Engines
  • Lua’s Builtin Patterns
  • Tracing Applications inside Containers
  • How The Tools are Implemented
  • The Overhead of the Tools
  • System Environment
  • Narrowing Down the Culprit without Guessing
  • Limiting the execution overhead of PCRE
  • Non-Backtracking Regular Expression Engines
  • Lua’s Builtin Patterns
  • Tracing Applications inside Containers
  • How The Tools are Implemented
  • The Overhead of the Tools

OpenResty XRay Apr 6, 2026

OpenResty XRay Updated Apr 6, 2026 9 mins read

Listing Loaded Lua Modules in OpenResty or Nginx Processes

ylua openresty-xray nginx lua dynamic-tracing
  • System Environment
  • Names of Loaded Lua Modules
  • Running Directly in the Web Console
  • Tracing Applications inside Containers
  • How The Tools are Implemented
  • The Overhead of the Tools
Photo by Yichun Zhang
  • System Environment
  • Names of Loaded Lua Modules
  • Running Directly in the Web Console
  • Tracing Applications inside Containers
  • How The Tools are Implemented
  • The Overhead of the Tools

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 14 mins read

Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 4 of 4)

ylang openresty-xray dynamic-tracing
  • Transparent Container Tracing
  • Efficient Stack Unwinding
  • Analyzing Dead Processes (Core Dumps)
  • Very Low Tracing Overhead
  • Standard Ylang Libraries & Tools
  • Network Filtering & Control
  • The Ylang Compiler’s Implementation
  • Operating System Support
  • Contributions to Open-Source Communities
Photo by Yichun Zhang
  • Transparent Container Tracing
  • Efficient Stack Unwinding
  • Analyzing Dead Processes (Core Dumps)
  • Very Low Tracing Overhead
  • Standard Ylang Libraries & Tools
  • Network Filtering & Control
  • The Ylang Compiler’s Implementation
  • Operating System Support
  • Contributions to Open-Source Communities

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 10 mins read

Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 3 of 4)

ylang openresty-xray dynamic-tracing
  • The Language Syntax (Continued)
    • String Literals
    • Built-in Regex Support
    • Full Control-Flow Support
    • Floating-Point Number Support
    • Compared to Open-Source Toolchains
  • Transparent Debug Symbol Handling
    • Debug Symbols: No Runtime Overhead
    • Centralized Package Database
    • Fuzzy Matching Debug Symbols
Photo by Yichun Zhang
  • The Language Syntax (Continued)
    • String Literals
    • Built-in Regex Support
    • Full Control-Flow Support
    • Floating-Point Number Support
    • Compared to Open-Source Toolchains
  • Transparent Debug Symbol Handling
    • Debug Symbols: No Runtime Overhead
    • Centralized Package Database
    • Fuzzy Matching Debug Symbols
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