Featured Articles

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dynamic-tracing
...
openresty-xray bilibili
8 mins read

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

One String Value Crashed Asia's Biggest Streaming Site β€” 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 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

OpenResety Edge Nov 5, 2025

OpenResety Edge Updated Nov 5, 2025 17 mins read

Why More and More Enterprises Are Building Private CDNs

tutorial openresty-edge cdn
  • When Commoditized Services Undermine Innovation
  • Four Inherent Challenges of Public CDNs
  • The Versatile Gateway Built for Edge Computing
  • Four Pillars for Building a Private Edge Network
  • Beyond the Network’s Periphery
  • When Commoditized Services Undermine Innovation
  • Four Inherent Challenges of Public CDNs
  • The Versatile Gateway Built for Edge Computing
  • Four Pillars for Building a Private Edge Network
  • Beyond the Network’s Periphery

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 Oct 31, 2025

OPENRESTY Updated Oct 31, 2025 2 mins read

OpenResty Edge Version 25.9.17 Now Available

openResty-edge releases
  • Core Highlights
  • Enhanced Features & Increased Flexibility
  • Improved Usability & Observability
  • Key Fixes and Stability Enhancements
  • How to Upgrade?
  • Core Highlights
  • Enhanced Features & Increased Flexibility
  • Improved Usability & Observability
  • Key Fixes and Stability Enhancements
  • How to Upgrade?

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

OpenResety Edge Oct 23, 2025

OpenResety Edge Updated Oct 23, 2025 5 mins read

Performance Takes a Leap Forward: OpenResty Edge Now Supports zstd Compression

tutorial openresty-edge zstd
  • The Evolution of Compression Algorithms
  • What is Zstandard (zstd)
  • Why Zstandard is Particularly Well-Suited for OpenResty Edge
  • How to Enable Zstandard (Zstd) Compression in OpenResty Edge
  • The Evolution of Compression Algorithms
  • What is Zstandard (zstd)
  • Why Zstandard is Particularly Well-Suited for OpenResty Edge
  • How to Enable Zstandard (Zstd) Compression in OpenResty Edge

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 Open Source Aug 11, 2025

OpenResty Open Source Updated Aug 11, 2025 7 mins read

OpenResty: The Trusted Choice for Developers Worldwide

openresty
  • Why Are Developers Worldwide Choosing OpenResty?
  • User Testimonials: Authentic Endorsements from the Front Lines
  • Technical Prowess: Making Excellence the Norm
  • Experience OpenResty’s Exceptional Performance Firsthand
Photo by Yichun Zhang
  • Why Are Developers Worldwide Choosing OpenResty?
  • User Testimonials: Authentic Endorsements from the Front Lines
  • Technical Prowess: Making Excellence the Norm
  • Experience OpenResty’s Exceptional Performance Firsthand

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
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