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 26, 2026

OpenResty XRay Updated Jun 26, 2026 13 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

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 5 mins read

OpenResty Edge: Private CDN, Universal Gateway & WAF in One Platform

openresty-edge
  • What Is OpenResty Edge? Architecture Overview
  • OpenResty Edge vs. Traditional Stack: 4 Problems Solved
  • Universal Gateway & Load Balancing: Dynamic Routing for Microservices
  • Real-World Case Studies: OTA, News, and SaaS Deployments
  • What Is OpenResty Edge? Architecture Overview
  • OpenResty Edge vs. Traditional Stack: 4 Problems Solved
  • Universal Gateway & Load Balancing: Dynamic Routing for Microservices
  • Real-World Case Studies: OTA, News, and SaaS Deployments

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 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

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 11 mins read

OpenResty Edge Design Notes: Bringing Global Traffic Scheduling Back to the Application Layer

openresty-edge gslb
  • Traffic Instability Is Not a Configuration Problem
  • Why Global Optimization Breaks Down Under Real Traffic
  • Control Requires Feedback, Not Faster Reactions
  • From Human-in-the-Loop Alerts to Deterministic Traffic Control
  • Traffic Instability Is Not a Configuration Problem
  • Why Global Optimization Breaks Down Under Real Traffic
  • Control Requires Feedback, Not Faster Reactions
  • From Human-in-the-Loop Alerts to Deterministic Traffic Control

OPENRESTY Jun 26, 2026

OPENRESTY Updated Jun 26, 2026 10 mins read

Resolving the Runtime Model Mismatch Between OpenResty and Kafka

private-library kafka lua
  • Three Common Anti-Patterns We See in Production
  • Why This Problem Is Fundamentally Hard
  • How lua-resty-kafka-fast Implements This Contract
  • What This Changes at the Architecture Level
  • Kafka Belongs Where Decisions Are Made
  • Three Common Anti-Patterns We See in Production
  • Why This Problem Is Fundamentally Hard
  • How lua-resty-kafka-fast Implements This Contract
  • What This Changes at the Architecture Level
  • Kafka Belongs Where Decisions Are Made

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 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 Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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 Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 9 mins read

Fix LuaJIT RSS Memory Leak in OpenResty: Stop OOM Kills Without Restarts

memory openresty-xray luajit private-library
  • What Is the LuaJIT Pseudo Memory Leak?
  • Diagnosing the Problem with Real Production Data
  • Why Standard Fixes Don’t Work
  • How LuaJIT-plus Fixes This at the Allocator Level
  • Production Impact After Deployment
  • What Is the LuaJIT Pseudo Memory Leak?
  • Diagnosing the Problem with Real Production Data
  • Why Standard Fixes Don’t Work
  • How LuaJIT-plus Fixes This at the Allocator Level
  • Production Impact After Deployment

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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 Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 7 mins read

Open Source OpenResty vs. OpenResty Edge: Key Differences

tutorial openresty-edge
  • Open Source vs. OpenResty Edge at a Glance
  • When Open Source Hits Its Limits: 6 Real Scenarios
  • Choosing the Right Path for Your Infrastructure
  • Open Source vs. OpenResty Edge at a Glance
  • When Open Source Hits Its Limits: 6 Real Scenarios
  • Choosing the Right Path for Your Infrastructure

OpenResety Edge Jun 23, 2026

OpenResety Edge Updated Jun 23, 2026 16 mins read

Private CDN Solution: Enterprise Edge Architecture | OpenResty Edge

tutorial openresty-edge cdn
  • The Breaking Point: When Public CDNs Fail the Enterprise
  • The CDN Landscape: Public CDN vs. DIY Open Source vs. Commercial Private CDN
  • From OpEx to CapEx: The Business Case for a Private CDN
  • Why OpenResty Edge? Evaluating an Enterprise Private CDN Platform
  • The Edge Is Your Competitive Advantage — Not a Commodity
  • Frequently Asked Questions
  • The Breaking Point: When Public CDNs Fail the Enterprise
  • The CDN Landscape: Public CDN vs. DIY Open Source vs. Commercial Private CDN
  • From OpEx to CapEx: The Business Case for a Private CDN
  • Why OpenResty Edge? Evaluating an Enterprise Private CDN Platform
  • The Edge Is Your Competitive Advantage — Not a Commodity
  • Frequently Asked Questions

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 8 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 Jun 26, 2026

OPENRESTY Updated Jun 26, 2026 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 Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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
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