OpenResty Open Source Aug 24, 2026

OpenResty Open Source Updated Aug 24, 2026 6 mins read

TLS Session Resumption in Nginx Clusters: Zero-Downtime Key Rotation

private-library nginx lua openresty tls

• Why Session Ticket Key Management Is Harder Than It Looks
• How lua-resty-tls-session Rotates Session Ticket Keys Without Restarts
• Comparing the Three Approaches
• Quantifying Latency Reduction and Uptime Gains
• FAQ

OpenResty Edge Aug 28, 2026

OpenResty Edge Updated Aug 28, 2026 5 mins read

WAF Benchmark: OpenResty Edge 3.7–10x Faster than ModSecurity (208 Rules)

tutorial openresty-edge waf

• The Benchmark: 208 WAF Rules on One CPU Core
• Why Rule Count Doesn’t Have to Hurt WAF Performance
• How to Implement a WAF at the Edge: Four Steps
• FAQ: WAF performance

OpenResty XRay Sep 9, 2026

OpenResty XRay Updated Sep 9, 2026 10 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

OpenResty Edge Aug 25, 2026

OpenResty Edge Updated Aug 25, 2026 4 mins read

OpenResty Edge Webhook: Event-Driven Gateway Notifications That Replace Polling

tutorial openresty-edge webhooks

• What an OpenResty Edge Webhook Delivers: From Data Deluge to Critical Signals
• Why OpenResty Edge Webhook Notifications Are Efficient and Secure
• Building a Less is More Event-Driven Operations Ecosystem

OpenResty XRay Aug 28, 2026

OpenResty XRay Updated Aug 28, 2026 9 mins read

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

openresty-xray qps p99 cpu

• Latency Spikes and CPU Waste Hidden Beneath Healthy Averages
• Troubleshooting OpenResty Latency Without Code Changes or Restarts
• The Results: Latency Spikes Eliminated, 30% Lower CPU Usage
• Frequently Asked Questions

OpenResty Edge Aug 26, 2026

OpenResty Edge Updated Aug 26, 2026 8 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

OpenResty Edge Jul 17, 2026

OpenResty Edge Updated Jul 17, 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

OpenResty XRay Aug 28, 2026

OpenResty XRay Updated Aug 28, 2026 11 mins read

How to Diagnose Java Memory Leaks in Production — Without Heap Dumps or Restarts

openresty-xray java memory

• Why Full GCs Didn’t Reclaim the Heap: A Production Java Memory Leak
• How to Diagnose a Java Memory Leak in Production Without a Heap Dump
• How to Find a Java Memory Leak: A Reusable 3-Step Method
• Why Use OpenResty XRay to Find Java Memory Leaks on a Live JVM?
• FAQ

OpenResty XRay Aug 28, 2026

OpenResty XRay Updated Aug 28, 2026 8 mins read

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

case-study openresty-xray rsa

• 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 Aug 24, 2026

OpenResty Edge Updated Aug 24, 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?

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

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 9 mins read

Gzip CPU Usage: Why Compression Level 6 Consumed 54% of Server CPU

case-study openresty-xray gzip cpu

• How Gzip Compression Consumed 54% of CPU in Production
• Why Gzip CPU Usage Was So High: A Configuration-Level Diagnosis
• Quantifying Gzip and Brotli CPU Overhead
• From Guesswork to Data-Driven Compression Tuning

OpenResty Edge Aug 4, 2026

OpenResty Edge Updated Aug 4, 2026 6 mins read

Zstd Compression in OpenResty Edge: Faster, Lighter Than Gzip and Brotli

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
• Zstd vs Brotli vs Gzip: Which Should You Serve?

OpenResty Edge Aug 28, 2026

OpenResty Edge Updated Aug 28, 2026 6 mins read

SSL Certificate Automation with the ACME Protocol in OpenResty Edge

tutorial openresty-edge ssl acme

• What is the ACME protocol?
• Why you need ACME for automatic certificate management
• How to set up automatic SSL certificate issuance and renewal in OpenResty Edge

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 4 mins read

Nginx C++ Module Memory Leak: Root Cause in Production, No Restart

case-study openresty-xray nginx c++

• The Production Challenge: A C++ Module Memory Leak You Can’t Debug With GDB
• How the Flame Graph Pinpointed the Leaking Function in ngx_dubbo_module
• From Reactive to Proactive: XRay’s New Approach to Troubleshooting
• The OpenResty XRay Closed-Loop Approach

OpenResty XRay Aug 28, 2026

OpenResty XRay Updated Aug 28, 2026 4 mins read

Non-Invasive Java Profiler: Capture Method Arguments in Production Without a Java Agent

openresty-xray java probe

• Why Non-Invasive Java Profiling Matters in Production
• Hands-on Demo: Capturing Java Method Arguments in Production
• How OpenResty XRay Differs from Common Java Profilers
• Frequently Asked Questions

OpenResty XRay Aug 28, 2026

OpenResty XRay Updated Aug 28, 2026 6 mins read

Automated Root Cause Analysis: How OpenResty XRay Pinpoints Failures Down to the Code Line

openresty-xray dynamic-tracing analyzer

• Why More Observability Data Doesn’t Mean Faster Root Cause Analysis
• How XRay’s Automated Root Cause Analysis Differs from Traditional Monitoring
• Automated Root Cause Analysis in Action: Three Production Cases
• FAQ

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 5 mins read

Perl Memory Leak: From Several GB to 60MB with One Flame Graph

tutorial openresty-xray perl memory

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

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 10 mins read

Node.js Function Probe: Capture Live Function Arguments Without Changing Code

openresty-xray node.js

• Why Trace Node.js Functions Without Modifying Code
• How to Capture Node.js Function Arguments Without Modifying Code
• How Teams Use Non-Invasive Node.js Probes in Production

OpenResty Edge Aug 25, 2026

OpenResty Edge Updated Aug 25, 2026 4 mins read

OpenResty Edge Mirror Request: Clone Live Traffic for Testing, WAF & Audit Without Slowing the Main Request

tutorial openresty-edge gateway server

• Why Use Mirror Request?
• How OpenResty Edge Mirrors Requests
• How to Configure Mirror Request