← Back
Openresty-Xray

OpenResty XRay Feb 4, 2026

OpenResty XRay Updated Feb 4, 2026 6 mins read

Introduction to OpenResty XRay

openresty-xray nginx
  • Core Philosophy: A Tracing Engine Built for the Unknown
  • Turning Noise into Signal: How XRay Demystifies Production Issues
  • Empowering Engineering Teams in Cloud-Native Reality
  • Built on a Robust, Open Technological Foundatione
  • Real-World Success Stories
  • Core Philosophy: A Tracing Engine Built for the Unknown
  • Turning Noise into Signal: How XRay Demystifies Production Issues
  • Empowering Engineering Teams in Cloud-Native Reality
  • Built on a Robust, Open Technological Foundatione
  • Real-World Success Stories

OpenResty XRay Jan 19, 2026

OpenResty XRay Updated Jan 19, 2026 9 mins read

Hunting Down a Silent Memory Leak in OpenResty Without a Reboot

casestudy openresty-xray memory nginx
  • A Complete Dissection of a Production Memory Leak
  • Why Are These Problems Nearly Unsolvable?
  • A System Transformation
  • When Performance Issues Go Beyond Just Tools
  • A Complete Dissection of a Production Memory Leak
  • Why Are These Problems Nearly Unsolvable?
  • A System Transformation
  • When Performance Issues Go Beyond Just Tools

OpenResty XRay Dec 23, 2025

OpenResty XRay Updated Dec 23, 2025 3 mins read

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

openresty-xray casestudy lua nginx off-cpu
  • The 93% Performance Drop: Uncovering the Observability Blind Spot
  • OpenResty XRay Uncovers Connection Reuse Issues
  • Comparative Analysis Reveals Compilation Option Issues
  • Impact of Compiler Options on Instruction Execution Performance
  • The 93% Performance Drop: Uncovering the Observability Blind Spot
  • OpenResty XRay Uncovers Connection Reuse Issues
  • Comparative Analysis Reveals Compilation Option Issues
  • Impact of Compiler Options on Instruction Execution Performance

OpenResty XRay Dec 3, 2025

OpenResty XRay Updated Dec 3, 2025 11 mins read

Deconstructing the LuaJIT Pseudo Memory Leak

memory openresty-xray luajit
  • Defining Pseudo Memory Leak
  • Beyond Crashes, Architectural Unpredictability
  • Why Code Optimization Is No Longer Effective?
  • From Passive Retention to Proactive Reclamation
  • Enabling Memory to Breathe
  • Defining Pseudo Memory Leak
  • Beyond Crashes, Architectural Unpredictability
  • Why Code Optimization Is No Longer Effective?
  • From Passive Retention to Proactive Reclamation
  • Enabling Memory to Breathe

OpenResty XRay Dec 2, 2025

OpenResty XRay Updated Dec 2, 2025 8 mins read

How We Pinpointed a 244ms Latency Spike in a 500k QPS OpenResty Gateway

openresty-xray qps p99 cpu
  • When Traditional Monitoring Fails to Pinpoint the Root Cause
  • From Heuristics to the Power of Dynamic Observability
  • Quantifiable Engineering Efficiency and Resource Optimization Results
  • Building Continuous Performance Observability
  • When Traditional Monitoring Fails to Pinpoint the Root Cause
  • From Heuristics to the Power of Dynamic Observability
  • Quantifiable Engineering Efficiency and Resource Optimization Results
  • Building Continuous Performance Observability

OpenResty XRay Nov 11, 2025

OpenResty XRay Updated Nov 11, 2025 9 mins read

How OpenResty XRay Pinpointed Java Memory Issues

openresty-xray java memory
  • Background and Problem
  • Systematic Diagnostic Path: From Leak to Jitter
  • Diagnostic Efficiency and System Improvements
  • Why Choose OpenResty XRay for Java Application Memory Analysis?
  • Background and Problem
  • Systematic Diagnostic Path: From Leak to Jitter
  • Diagnostic Efficiency and System Improvements
  • Why Choose OpenResty XRay for Java Application Memory Analysis?

OpenResty XRay Oct 31, 2025

OpenResty XRay Updated Oct 31, 2025 2 mins read

OpenResty XRay Version 25.10.11 Now Available

openresty-xray releases
  • Three Key Highlights
  • Enhanced Diagnostic Accuracy and Stability
  • Usability and Security Enhancements
  • Three Key Highlights
  • Enhanced Diagnostic Accuracy and Stability
  • Usability and Security Enhancements

OpenResty XRay Dec 2, 2025

OpenResty XRay Updated Dec 2, 2025 4 mins read

How to use OpenResty XRay to quickly pinpoint memory leaks in C++ process

case-study openresty-xray Nginx c++
  • Technical Predicament and Initial Diagnosis
  • Flame Graphs: Pinpointing Memory Leak Hotspots
  • From Reactive to Proactive: XRay’s New Approach to Troubleshooting
  • The OpenResty XRay Closed-Loop Approach
  • Technical Predicament and Initial Diagnosis
  • Flame Graphs: Pinpointing Memory Leak Hotspots
  • From Reactive to Proactive: XRay’s New Approach to Troubleshooting
  • The OpenResty XRay Closed-Loop Approach

OpenResty XRay Oct 10, 2025

OpenResty XRay Updated Oct 10, 2025 4 mins read

Building a Non-Invasive Java Function Profiler with OpenResty XRay

openresty-xray java probe
  • What is Non-Intrusive Function Probing?
  • What Makes OpenResty XRay’s Non-Intrusive Probes Unique?
  • Hands-on Demo: Monitoring Function Parameters
  • Technical Advantages and Use Cases
  • What is Non-Intrusive Function Probing?
  • What Makes OpenResty XRay’s Non-Intrusive Probes Unique?
  • Hands-on Demo: Monitoring Function Parameters
  • Technical Advantages and Use Cases

OpenResty XRay Sep 23, 2025

OpenResty XRay Updated Sep 23, 2025 9 mins read

How OpenResty XRay's Node.js Function Probes Enable a New Monitoring Paradigm

openresty-xray Node.js
  • Why You Need a New Paradigm for Non-Invasive Function Probes
  • Hands-on Demo: Monitoring Function Parameters
  • How Top Teams Leverage Non-Intrusive Probes to Boost Engineering Efficiency
  • Why You Need a New Paradigm for Non-Invasive Function Probes
  • Hands-on Demo: Monitoring Function Parameters
  • How Top Teams Leverage Non-Intrusive Probes to Boost Engineering Efficiency

OpenResty XRay Sep 2, 2025

OpenResty XRay Updated Sep 2, 2025 8 mins read

Application Lagging? OpenResty XRay: Instantly Uncover the Truth Behind 75ms Blockages

openresty-xray casestudy lua nginx off-cpu
  • Unraveling Performance Puzzles: CPU Resource Contention Comes to Light
  • The Real Culprit Revealed: Blocking Lua I/O Operations
  • Quantitative Analysis: The Impact of File IO Performance
  • Deep Dive: Understanding Event Loop Blocking in Nginx
  • Unraveling Performance Puzzles: CPU Resource Contention Comes to Light
  • The Real Culprit Revealed: Blocking Lua I/O Operations
  • Quantitative Analysis: The Impact of File IO Performance
  • Deep Dive: Understanding Event Loop Blocking in Nginx

OpenResty XRay Oct 14, 2025

OpenResty XRay Updated Oct 14, 2025 8 mins read

Analyzing CPU Usage in Online Node.js Applications (Using OpenResty XRay)

openresty-xray Node.js memory cpu
  • High CPU Usage Issues in Node.js Applications
  • CPU Blocking Issues in Node.js Applications
  • Automated Sampling and Expert Analysis
  • Performance Impact and Overhead
  • Future Plans
  • High CPU Usage Issues in Node.js Applications
  • CPU Blocking Issues in Node.js Applications
  • Automated Sampling and Expert Analysis
  • Performance Impact and Overhead
  • Future Plans

OpenResty XRay Jul 10, 2025

OpenResty XRay Updated Jul 10, 2025 10 mins read

How OpenResty XRay Thoroughly Analyzes Nginx Memory Corruption Issues

casestudy openresty-xray undo coredump memory nginx
  • A Nginx Crash Case That Kept the Operations Team Up All Night
  • How to Use OpenResty XRay to Precisely Capture the First Scene of Memory Corruption
  • How Secondary Development Accidentally Broke Nginx’s Lifecycle Management
  • A Nginx Crash Case That Kept the Operations Team Up All Night
  • How to Use OpenResty XRay to Precisely Capture the First Scene of Memory Corruption
  • How Secondary Development Accidentally Broke Nginx’s Lifecycle Management

OpenResty XRay May 23, 2025

OpenResty XRay Updated May 23, 2025 9 mins read

UDB + OpenResty XRay: Unlocking the Mystery of OpenResty Application Performance

openresty-xray undo lua udb
  • How OpenResty XRay Enhances Efficiency with UDB
  • Hands-On: Analyzing OpenResty Lua Call Stacks with UDB and OpenResty XRay
  • Advantages of Time-Travel Debugging
  • Summary
  • How OpenResty XRay Enhances Efficiency with UDB
  • Hands-On: Analyzing OpenResty Lua Call Stacks with UDB and OpenResty XRay
  • Advantages of Time-Travel Debugging
  • Summary

OpenResty XRay May 23, 2025

OpenResty XRay Updated May 23, 2025 5 mins read

Unveiling Python Code Execution with UDB

openresty-xray undo python udb
  • The Unique Value of UDB in Python Debugging
  • Enhancing Debugging Capabilities with OpenResty XRay
  • Real-World Example: Analyzing Python Network Request Call Stacks
  • Summary
  • The Unique Value of UDB in Python Debugging
  • Enhancing Debugging Capabilities with OpenResty XRay
  • Real-World Example: Analyzing Python Network Request Call Stacks
  • Summary

OpenResty XRay Jul 8, 2025

OpenResty XRay Updated Jul 8, 2025 6 mins read

Case Study: How to Trace a Memory Leak Caused by an LRU Cache Using OpenResty XRay

casestudy openresty-xray lru memory
  • The Silent Killer: How Invisible Memory Leaks Threaten Business Stability
  • A Deep Dive into a Memory Leak Investigation
  • From Predicament to Breakthrough: A Pinpoint Diagnosis
  • The Silent Killer: How Invisible Memory Leaks Threaten Business Stability
  • A Deep Dive into a Memory Leak Investigation
  • From Predicament to Breakthrough: A Pinpoint Diagnosis

OpenResty XRay Jul 2, 2025

OpenResty XRay Updated Jul 2, 2025 6 mins read

Performance Breakthrough: 60% DNS Optimization Success with OpenResty XRay

tutorial openresty-xray customer-story casestudy
  • When the “Lifeline” DNS Service Faces a Performance Crisis
  • How to Investigate the Culprit Step by Step with OpenResty XRay
  • Precision “Treatment”: Three Steps to Rebirth
  • Summary: What We Achieved in Just a Few Minutes
  • What is OpenResty XRay
  • When the “Lifeline” DNS Service Faces a Performance Crisis
  • How to Investigate the Culprit Step by Step with OpenResty XRay
  • Precision “Treatment”: Three Steps to Rebirth
  • Summary: What We Achieved in Just a Few Minutes
  • What is OpenResty XRay

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 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 17, 2025

OpenResty XRay Updated Jun 17, 2025 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 17, 2025

OpenResty XRay Updated Jun 17, 2025 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 17, 2025

OpenResty XRay Updated Jun 17, 2025 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 Nov 11, 2024

OpenResty XRay Updated Nov 11, 2024 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

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

Install OpenResty XRay’s Agents on Kubernetes cluster

tutorial openresty-xray k8s Agent install
  • Logging in to the Console
  • Installing the Agent on Kubernetes cluster
  • Configuring and Detecting Applications
  • Initiating Analyzers and Viewing Insights
  • Install Another Agent
  • What is OpenResty XRay
  • Logging in to the Console
  • Installing the Agent on Kubernetes cluster
  • Configuring and Detecting Applications
  • Initiating Analyzers and Viewing Insights
  • Install Another Agent
  • What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 7 mins read

Introduction to OpenResty XRay Mobile Apps

tutorial openresty-xray mobile app
  • Download and install OpenResty XRay for Android
  • Sign into OpenResty XRay
  • Automatic analysis report
  • View the performance chart data on the dashboard page
  • Guided analysis feature
  • What is OpenResty XRay
  • Download and install OpenResty XRay for Android
  • Sign into OpenResty XRay
  • Automatic analysis report
  • View the performance chart data on the dashboard page
  • Guided analysis feature
  • What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

Locate Large Memory Objects inside PHP Processes (using OpenResty XRay)

tutorial openresty-xray php memory
  • Problem: high memory usage
  • Use the guided analysis feature of OpenResty XRay to find the largest Perl objects or values taking the most RAM
  • Automatic analysis and reports
  • What is OpenResty XRay
  • Problem: high memory usage
  • Use the guided analysis feature of OpenResty XRay to find the largest Perl objects or values taking the most RAM
  • Automatic analysis and reports
  • What is OpenResty XRay

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
Contact us

Love to hear from you, Get in touch 👋

Message was sent successfully!

Our Team will get back to you within 24 hours.
x