Featured Articles

Photo by Yichun Zhang
dynamic-tracing
...
openresty-xray bilibili
8 mins read

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

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

Binary Evidence-Driven Vulnerability Scanning: Eliminating False Positives with OpenResty XRay
security
...
vulnerability openresty-xray cve
9 mins read

Binary Evidence-Driven Vulnerability Scanning: Eliminating False Positives with OpenResty XRay

Binary Evidence-Driven Vulnerability Scanning: Eliminating False Positives with OpenResty XRay

Introduction to OpenResty XRay
openresty-xray
...
nginx
6 mins read

Introduction to OpenResty XRay

Introduction to OpenResty XRay

Anatomy of a 15x Performance Drop: A 90k to 6k QPS Root Cause Analysis with OpenResty XRay
openresty-xray
...
casestudy lua nginx off-cpu
3 mins read

Anatomy of a 15x Performance Drop: A 90k to 6k QPS Root Cause Analysis with OpenResty XRay

Anatomy of a 15x Performance Drop: A 90k to 6k QPS Root Cause Analysis with OpenResty XRay

Building a Non-Invasive Java Function Profiler with OpenResty XRay
openresty-xray
...
java probe
4 mins read

Building a Non-Invasive Java Function Profiler with OpenResty XRay

Building a Non-Invasive Java Function Profiler with OpenResty XRay

Photo by Philip Brown
dynamic-tracing
...
openresty-xray
26 mins read

The Wonderland of Dynamic Tracing (Part 1 of 3)

The Wonderland of Dynamic Tracing (Part 1 of 3)

Photo by Jose G. Ortega Castro
nginx
...
openresty memory openresty-xray dynamic-tracing
13 mins read

How OpenResty and Nginx Shared Memory Zones Consume RAM

How OpenResty and Nginx Shared Memory Zones Consume RAM

Photo by Harrison Broadbent
nginx
...
openresty memory luajit openresty-xray dynamic-tracing
11 mins read

How OpenResty and Nginx Allocate and Manage Memory

How OpenResty and Nginx Allocate and Manage Memory

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Latest Articles

OpenResty XRay Jun 18, 2026

OpenResty XRay Updated Jun 18, 2026 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 18, 2026

OpenResty XRay Updated Jun 18, 2026 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 18, 2026

OpenResty XRay Updated Jun 18, 2026 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 18, 2026

OpenResty XRay Updated Jun 18, 2026 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 18, 2026

OpenResty XRay Updated Jun 18, 2026 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 18, 2026

OpenResty XRay Updated Jun 18, 2026 6 mins read

Self-Optimization: The Performance Evolution of OpenResty XRay

tutorial openresty-xray
  • Challenges and Pain Points
  • OpenResty XRay’s Self-Analysis Process
  • Remarkable Optimization Results
  • Technical Insights and Business Value
  • Conclusion
  • Challenges and Pain Points
  • OpenResty XRay’s Self-Analysis Process
  • Remarkable Optimization Results
  • Technical Insights and Business Value
  • Conclusion

OpenResty XRay Jun 18, 2026

OpenResty XRay Updated Jun 18, 2026 4 mins read

Case Study: OpenResty XRay Doubles Ylang Compiler Performance

tutorial ylang openresty-xray analyzer
  • Case Study: OpenResty XRay Doubles Ylang Compiler Performance
  • Significant Optimization Results
  • Ylang Language: The Ideal Tool for Dynamic Tracing
  • A Model of Technical Synergy
  • Further Reading
  • Case Study: OpenResty XRay Doubles Ylang Compiler Performance
  • Significant Optimization Results
  • Ylang Language: The Ideal Tool for Dynamic Tracing
  • A Model of Technical Synergy
  • Further Reading

OpenResty XRay Jun 18, 2026

OpenResty XRay Updated Jun 18, 2026 7 mins read

Analyzing Tomcat Java Web Application Request Latency (Using OpenResty XRay)

openresty-xray java tomcat latency performance
  • Analyzing Tomcat Java Web application request latency
  • Flexible filtering conditions for request capture
  • Detailed request information capture
  • PCAP packet capture functionality
  • Practical application examples
Photo by Yichun Zhang
  • Analyzing Tomcat Java Web application request latency
  • Flexible filtering conditions for request capture
  • Detailed request information capture
  • PCAP packet capture functionality
  • Practical application examples

OpenResty XRay Jun 18, 2026

OpenResty XRay Updated Jun 18, 2026 9 mins read

Analyzing CPU, off-CPU and Disk I/O Usage of Java Applications (Using OpenResty XRay)

openresty-xray java memory cpu
  • High CPU usage issues in Java applications
  • CPU blocking issues in Java applications
  • High disk I/O issues in Java applications
  • Supported Java versions and operating systems
  • Performance impact and overhead
  • Future plans
Photo by Yichun Zhang
  • High CPU usage issues in Java applications
  • CPU blocking issues in Java applications
  • High disk I/O issues in Java applications
  • Supported Java versions and operating systems
  • Performance impact and overhead
  • Future plans

OpenResty XRay Jun 18, 2026

OpenResty XRay Updated Jun 18, 2026 5 mins read

‘A Quick Tour to OpenResty XRay’s Web Console’

tutorial openresty-xray web-console
  • Introduction to Insight Page
  • Comprehensive Report Details
  • Dashboard Overview
  • Use Guided Analysis Feature to Analyze Online
  • Setting and Configuration
  • What is OpenResty XRay
  • Introduction to Insight Page
  • Comprehensive Report Details
  • Dashboard Overview
  • Use Guided Analysis Feature to Analyze Online
  • Setting and Configuration
  • What is OpenResty XRay
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