OpenResty Official Blog

OpenResty XRay Version 26.5.11. Now Available

2026-05-12T00:00:00.000Z

Key Highlights
Other Important Updates

OpenResty Edge Version 26.6.8 Now Available

2026-05-08T00:00:00.000Z

Core Highlights
Enhanced Features & Increased Flexibility
Improved Usability & Observability
Key Fixes and Stability Enhancements
How to Upgrade?

Built-In DDoS Defense for OpenResty Edge—Without Another Appliance or a Second Ops Surface

2026-05-07T00:00:00.000Z

The impossible triangle of DDoS defense
OpenResty Edge design choices: achieving all three goals at once
Performance as engineering fact, not a slogan
Automation as a prerequisite for DDoS defense, not a nice-to-have
Observability: transparency is the foundation of trust
Building a built-in, adaptive defense stack

OpenResty Edge Data Protection: From Scheduled Backups to Automatic Failover

2026-05-06T00:00:00.000Z

First line: scheduled backups and off-host sync
Second line: primary–standby streaming replication
Third line: automatic failover cluster
Comparing the three approaches and selection guidance

Automating Kubernetes Gateway Node Lifecycle with OpenResty Edge

2026-04-23T00:00:00.000Z

The gateway dilemma in the Kubernetes era: static control models vs. cloud-native reality
Capability one: automated lifecycle management for gateway nodes
Capability two: multiple K8s clusters and unified control
Capability three: a two-tier upstream system
Summary

Managing OpenResty Edge Configuration with YAML and Git: A Practical Guide to `edge2yaml`

2026-04-22T00:00:00.000Z

What is edge2yaml
Usecase
edge2yaml vs. OpenResty Edge Admin’s Native Capabilities

When JSON Becomes the Invisible Bottleneck in OpenResty Services

2026-04-17T00:00:00.000Z

Where Exactly Is the Performance Ceiling?
Common Workaround Strategies and Their Limitations
Why Custom Development or Hacking Existing Libraries is a Bad Idea
Seeking a More Direct Breakthrough
Infrastructure-Level Optimization: jit.cjson
Why the Official Solution is the Safer Bet
Minimal Adoption Cost

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

2026-04-07T00:00:00.000Z

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 1.29.2.3 Released

2026-03-26T00:00:00.000Z

Version highlights
Full Changelog
Feedback

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

2026-03-24T00:00:00.000Z

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

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

2026-03-17T00:00:00.000Z

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

OpenResty XRay Version 26.2.1. Now Available

2026-03-13T00:00:00.000Z

Key Highlights
Stability and Usability Enhancements

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

2026-03-05T00:00:00.000Z

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

How OpenResty XRay Enables Full-Stack Dynamic Tracing in Production

2026-03-03T00:00:00.000Z

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

OpenResty 1.29.2.1 Released

2026-03-03T00:00:00.000Z

Version highlights
Full Changelog
Feedback

What is OpenResty Edge

2026-02-24T00:00:00.000Z

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

Introduction to OpenResty XRay

2026-02-10T00:00:00.000Z

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

2026-01-27T00:00:00.000Z

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

Resolving the Runtime Model Mismatch Between OpenResty and Kafka

2026-01-19T00:00:00.000Z

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 Edge Version 25.12.5-1 Now Available

2026-01-16T00:00:00.000Z

Key Highlights
Key Optimizations
Key Fixes and Stability Enhancements
How to upgrade?

Hunting Down a Silent Memory Leak in OpenResty Without a Reboot

2026-01-13T00:00:00.000Z

A Complete Dissection of a Production Memory Leak
Why Are These Problems Nearly Unsolvable?
A System Transformation
When Performance Issues Go Beyond Just Tools

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

2025-12-23T00:00:00.000Z

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

Implementing Cluster-Wide TLS Rotation Without Restarts

2025-12-19T00:00:00.000Z

The Hidden Fragility of TLS
Moving from Manual Hacks to Systemic Resilience
Quantifying Latency Reduction and Uptime Gains

An Introduction to the Programmable WAF of OpenResty Edge

2025-12-15T00:00:00.000Z

High-Performance Programmatic WAF
Beyond WAF: A Unified Architecture
From Defensive Tools to Core Assets

Deconstructing the LuaJIT Pseudo Memory Leak

2025-12-04T00:00:00.000Z

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

Building "Less is More" Event-Driven Operations with OpenResty Edge Webhook

2025-12-03T00:00:00.000Z

From Data Deluge to Critical Signals
Why is Edge Webhook So Efficient and Secure?
Building a Less is More Precise Operations Ecosystem

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

2025-11-18T00:00:00.000Z

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

From Open Source OpenResty to OpenResty Edge: Evolving Your High-Performance Infrastructure

2025-11-17T00:00:00.000Z

Feature Enhancement Overview
Applications in Critical Business Scenarios
OpenResty Edge’s Role in Your Evolving Tech Stack

Why More and More Enterprises Are Building Private CDNs

2025-11-11T00:00:00.000Z

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

How OpenResty XRay Pinpointed Java Memory Issues

2025-11-10T00:00:00.000Z

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

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

2025-11-10T00:00:00.000Z

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

OpenResty Edge Version 25.9.17 Now Available

2025-10-31T00:00:00.000Z

Core Highlights
Enhanced Features & Increased Flexibility
Improved Usability & Observability
Key Fixes and Stability Enhancements
How to Upgrade?

OpenResty XRay Version 25.10.11 Now Available

2025-10-31T00:00:00.000Z

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

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

2025-10-27T00:00:00.000Z

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

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

2025-10-20T00:00:00.000Z

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

How OpenResty Edge Automates SSL/TLS Certificate Management with ACME Protocol

2025-10-15T00:00:00.000Z

What is the ACME protocol?
Why we need the ACME protocol?
How to automatically provision certificates in OpenResty Edge via ACME protocol

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

2025-10-11T00:00:00.000Z

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

Building a Non-Invasive Java Function Profiler with OpenResty XRay

2025-10-10T00:00:00.000Z

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

How OpenResty XRay Pinpoints the Toughest Problems with Minimal Data

2025-09-24T00:00:00.000Z

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

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

2025-09-12T00:00:00.000Z

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

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

2025-09-11T00:00:00.000Z

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

Enabling Mirror Request Functionality with OpenResty Edge

2025-09-02T00:00:00.000Z

Triple Enhancement in Stability, Experience, and Cost
Core Mechanism Breakdown
Configuration Steps Example

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

2025-09-01T00:00:00.000Z

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: The Trusted Choice for Developers Worldwide

2025-08-08T00:00:00.000Z

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

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

2025-07-30T00:00:00.000Z

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

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

2025-07-22T00:00:00.000Z

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

How to Build a Private CDN with OpenResty Edge

2025-07-21T00:00:00.000Z

Why Build a Private CDN?
A Flexible Multi-Tier Edge Architecture
Quick Start Your Edge Network
Building Highly Available Access Paths
Designed for Performance and Hit Rate
Security Protection
Monitoring and Operations

How OpenResty XRay Thoroughly Analyzes Nginx Memory Corruption Issues

2025-07-16T00:00:00.000Z

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

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

2025-07-14T00:00:00.000Z

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

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

2025-07-14T00:00:00.000Z

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