OpenResty XRay Nov 11, 2025

OpenResty XRay Updated Nov 11, 2025 9 mins read

How OpenResty XRay Pinpointed Java Memory Issues

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• 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 Nov 10, 2025

OpenResty XRay Updated Nov 10, 2025 9 mins read

When a "Black Box" Plugin Consumes 45% CPU: How We Pinpointed Lua Line 93 Without Source Code

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• When perf Meets the Black Box
• From Sampling to Full-Stack Dynamic Tracing
• Uncovering the Evidence Trail
• From What happene to Why
• Summary

OpenResty XRay Oct 31, 2025

OpenResty XRay Updated Oct 31, 2025 2 mins read

OpenResty XRay Version 25.10.11 Now Available

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• Three Key Highlights
• Enhanced Diagnostic Accuracy and Stability
• Usability and Security Enhancements

OpenResty XRay Oct 27, 2025

OpenResty XRay Updated Oct 27, 2025 9 mins read

How to Pinpoint the Hidden Cost of Gzip Configuration with OpenResty XRay

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• Performance Issues Often Lurk in Unexpected Places
• How OpenResty XRay Uncovers the Root Cause
• Quantifying Performance Bottlenecks
• From Experience to Methodology

OpenResty XRay Oct 31, 2025

OpenResty XRay Updated Oct 31, 2025 4 mins read

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

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• 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

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• 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 25, 2025

OpenResty XRay Updated Sep 25, 2025 6 mins read

How OpenResty XRay Pinpoints the Toughest Problems with Minimal Data

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• More Data Doesn’t Mean More Insight
• The Difference of OpenResty XRay
• XRay Real-world Use Cases

OpenResty XRay Sep 15, 2025

OpenResty XRay Updated Sep 15, 2025 5 mins read

OpenResty XRay Reduces Usage to 40% with a Flame Graph for Financial Services

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• Pinpointing Memory Leak Root Causes with a Flame Graph
• Significant Optimization Achievements
• Further Reading
• Summary

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

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• 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

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• 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 Aug 5, 2025

OpenResty XRay Updated Aug 5, 2025 4 mins read

Double Bottleneck Concurrency? OpenResty XRay Multi-dimensional Analysis Solves Performance Challenges

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• Overall CPU Usage Analysis
• In-depth Module Analysis
• Analysis of Compression Strategies
• Analysis Conclusions
• Optimization Solutions

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)

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• 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

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• 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

How UDB and OpenResty XRay Let You See Through the Entire Perl Code Execution Process

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• What is UDB?
• Hands-on: Analyzing Perl Application Call Stacks with OpenResty XRay and UDB
• Why More Developers Are Choosing UDB?
• Summary

OpenResty XRay May 23, 2025

OpenResty XRay Updated May 23, 2025 9 mins read

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

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• 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 8 mins read

UDB and OpenResty XRay: How to Analyze File Operations in Java Applications

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• What is UDB?
• Power Duo: UDB Meets OpenResty XRay
• Hands-On Tutorial: Analyzing Java Application File Operations with OpenResty XRay and UDB
• Conclusion

OpenResty XRay May 23, 2025

OpenResty XRay Updated May 23, 2025 5 mins read

Unveiling Python Code Execution with UDB

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• 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

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• 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

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• 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

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• 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 Jun 27, 2025

OpenResty XRay Updated Jun 27, 2025 4 mins read

Major Breakthrough for OpenResty XRay: Non-Intrusive Analysis of Java Application Memory & Envoy Lua Performance

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• Gain Complete Insight into Java Application Memory, Non-Intrusively
• Unlocking the Lua Performance Black Box Inside Envoy
• The Road Ahead

OpenResty XRay Oct 14, 2025

OpenResty XRay Updated Oct 14, 2025 11 mins read

Why Dynamic Tracing is the Future of Production Troubleshooting

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• 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

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• 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

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• 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

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• 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?

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• 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

From Black Box to White Box: OpenResty XRay Makes System Issues Nowhere to Hide

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• A Dynamic Tracing Tool That Turns Black Boxes into White Boxes
• Comprehensive Multi-dimensional Analysis Capabilities
• Real-World Case Studies
• Product Vision

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

OpenResty XRay Empowers LLVM clang Performance Optimization Practices

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• What is LLVM/clang
• OpenResty XRay Analysis Process
• Optimization Implementation and Results
• Conclusion

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 6 mins read

Self-Optimization: The Performance Evolution of OpenResty XRay

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• 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 5 mins read

OpenResty XRay Helps Boost Script Performance by 44 Times

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• From Bottleneck Discovery to Significant Speed Improvement
• How OpenResty XRay Works
• Comparison with Traditional Methods

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 4 mins read

Cross-Media Data Structure Drift: OpenResty XRay Enables 20x Performance Improvement

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• Performance Challenges and Breakthroughs
• Practical Significance of 20x Performance Improvement
• Future Outlook

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

From OOM to O(1): The Implementation Path of Streaming JSON Parser

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• Differences between JSONL format and traditional JSON
• Solution
• Continuous optimization
• Technical insights
• verification

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

From Days to Hours: How OpenResty XRay Accelerated the Linux shred Tool by Dozens of Times

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• Problem Analysis
• OpenResty XRay Practical Results
• Optimization Process
• Application Value

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 4 mins read

Case Study: OpenResty XRay Doubles Ylang Compiler Performance

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• 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 9 mins read

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

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• 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 17, 2025

OpenResty XRay Updated Jun 17, 2025 7 mins read

Introduction to OpenResty XRay Mobile Apps

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• 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 26 mins read

The Wonderland of Dynamic Tracing (Part 1 of 3)

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• 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 15 mins read

The Wonderland of Dynamic Tracing (Part 2 of 3)

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• Flame Graphs
• Methodology
• Knowledge Is Power
• Open-Source and Debug Symbols

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 7 mins read

The Wonderland of Dynamic Tracing (Part 3 of 3)

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• 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 Jun 27, 2025

OpenResty XRay Updated Jun 27, 2025 6 mins read

Resolving Bilibili’s major site incident with OpenResty XRay

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• The incident
• Process of resolution
• Hardening after the incident
• OpenResty XRay Services

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 3 mins read

Memory Reduced by 60%, OpenResty XRay Precisely Locates Problem Code, Quickly Completes Fixes and Deployment

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• High Memory Usage by Worker Processes
• Analysis Process
• Questions about Worker Process Memory Not Being Released