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

OpenResty XRay reduce your CPU usage up to  90%
OpenResty XRay reduce your CPU usage up to 90%
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Latest Articles

OPENRESTY Apr 7, 2026

OPENRESTY Updated Apr 7, 2026 6 mins read

Real-Time JS/CSS/HTML Minification at 120 MB/s β€” Right in Your Nginx/OpenResty Gateway

nginx lua private-library TSL
  • When You Can’t Touch the Build Pipeline
  • Why a Regex Won’t Cut It
  • Three Approaches That Almost Work
  • A Streaming FSM for Each Language, Compiled to Native Code
  • Five-Minute Setup: A Configuration Example
  • Four Things to Know Before Going Live
  • When You Can’t Touch the Build Pipeline
  • Why a Regex Won’t Cut It
  • Three Approaches That Almost Work
  • A Streaming FSM for Each Language, Compiled to Native Code
  • Five-Minute Setup: A Configuration Example
  • Four Things to Know Before Going Live

OpenResty XRay Mar 25, 2026

OpenResty XRay Updated Mar 25, 2026 9 mins read

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

security vulnerability openresty-xray cve
  • Why Version-Matching Scans Fail: Three Compounding Costs
  • How XRay Scans Binaries Directly: The Evidence-First Model
  • Case Study: Detecting Dual OpenSSL Versions on Rocky Linux
  • Building a Sustainable Scanning Practice on Precision Evidence
  • Why Version-Matching Scans Fail: Three Compounding Costs
  • How XRay Scans Binaries Directly: The Evidence-First Model
  • Case Study: Detecting Dual OpenSSL Versions on Rocky Linux
  • Building a Sustainable Scanning Practice on Precision Evidence

OPENRESTY Mar 17, 2026

OPENRESTY Updated Mar 17, 2026 11 mins read

How OpenResty XRay Solved P99 Latency Jitter in a D-lang Order Service

d-lang flame-graph performance gc
  • Analyzing GC Traps and Business Hotspots in the Flame Graph
  • Optimization Roadmap: Why Sequence Is More Important Than Action
  • Conclusion: From Code Logic to Runtime Reality
  • Analyzing GC Traps and Business Hotspots in the Flame Graph
  • Optimization Roadmap: Why Sequence Is More Important Than Action
  • Conclusion: From Code Logic to Runtime Reality

OpenResety Edge Mar 5, 2026

OpenResety Edge Updated Mar 5, 2026 6 mins read

End-to-End Client Real IP Passthrough in OpenResty Edge

openresty-edge
  • Use Cases and Topology
  • IP Passthrough Methods Overview
  • OpenResty Edge Configuration
  • Key Variables
  • Page Rules
  • Verification
  • Use Cases and Topology
  • IP Passthrough Methods Overview
  • OpenResty Edge Configuration
  • Key Variables
  • Page Rules
  • Verification

OpenResty XRay Mar 3, 2026

OpenResty XRay Updated Mar 3, 2026 14 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 Feb 13, 2026

OpenResety Edge Updated Feb 13, 2026 5 mins read

What is OpenResty Edge

openresty-edge
  • The Modern Edge Computing Platform
  • Four Critical Challenges, One Unified Platform
  • The Power of Architecture Consolidation
  • Proven Reliability in High-Concurrency Environments
  • The Modern Edge Computing Platform
  • Four Critical Challenges, One Unified Platform
  • The Power of Architecture Consolidation
  • Proven Reliability in High-Concurrency Environments

OpenResty XRay Feb 13, 2026

OpenResty XRay Updated Feb 13, 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 Mar 31, 2026

OpenResety Edge Updated Mar 31, 2026 12 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 Apr 7, 2026

OPENRESTY Updated Apr 7, 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 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
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