OpenResty Official Blog

Featured Articles

dynamic-tracing8 mins read

How a Single "0" Took Down Bilibili — Every Server at 100% CPU, and Reboots Didn't Help

security10 mins read

Binary Vulnerability Scanning: Catch Backported Patches, Cut False Positives

openresty-xray6 mins read

Introduction to OpenResty XRay

openresty-xray4 mins read

Nginx Reverse Proxy QPS Dropped 15x: A Missing upstream keepalive and an -O0 Debug Build

openresty-xray4 mins read

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

dynamic-tracing26 mins read

The Wonderland of Dynamic Tracing (Part 1 of 3)

nginx13 mins read

How OpenResty and Nginx Shared Memory Zones Consume RAM

nginx13 mins read

Nginx Memory Usage Explained: Where the RAM Actually Goes

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OpenResty XRay reduce your CPU usage up to 90%

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Latest Articles

OPENRESTY Sep 29, 2026

OPENRESTY Updated Sep 29, 2026 13 mins read

XDP DDoS Mitigation in Production: Million-PPS Kernel-Native Defense, Built into OpenResty Edge

ddos

The impossible triangle of DDoS mitigation architectures
How OpenResty Edge delivers XDP DDoS mitigation for all three goals
Measured performance: 170k–180k PPS on an AWS t3.small, million-PPS in the lab
Automated DDoS response as a prerequisite, not a perk
Observability: real-time DDoS mitigation metrics
FAQ: XDP DDoS mitigation

The impossible triangle of DDoS mitigation architectures
How OpenResty Edge delivers XDP DDoS mitigation for all three goals
Measured performance: 170k–180k PPS on an AWS t3.small, million-PPS in the lab
Automated DDoS response as a prerequisite, not a perk
Observability: real-time DDoS mitigation metrics
FAQ: XDP DDoS mitigation

OpenResty Edge Aug 26, 2026

OpenResty Edge Updated Aug 26, 2026 10 mins read

OpenResty Edge Database Backup and Failover: Why Replication Is Not a Backup

openresty-edge db

First line of defense: scheduled database backups and off-host sync
Second line of defense: does streaming replication protect against accidental deletion?
Third line of defense: automatic database failover cluster
Backup vs. replication vs. failover: which do you need?
Frequently asked questions

First line of defense: scheduled database backups and off-host sync
Second line of defense: does streaming replication protect against accidental deletion?
Third line of defense: automatic database failover cluster
Backup vs. replication vs. failover: which do you need?
Frequently asked questions

OpenResty Edge Aug 28, 2026

OpenResty Edge Updated Aug 28, 2026 12 mins read

Kubernetes Gateway Lifecycle Management: Auto-Approve Nodes & Unify Multi-Cluster Control with OpenResty Edge

openresty-edge kubernetes gateway overview

Why traditional gateway management breaks in Kubernetes
How to automate Kubernetes gateway node onboarding and approval
Managing multiple Kubernetes clusters from a single control plane
Two-tier upstreams: mapping Kubernetes upstream ownership to teams
Summary: choosing a gateway for Kubernetes

Why traditional gateway management breaks in Kubernetes
How to automate Kubernetes gateway node onboarding and approval
Managing multiple Kubernetes clusters from a single control plane
Two-tier upstreams: mapping Kubernetes upstream ownership to teams
Summary: choosing a gateway for Kubernetes

OpenResty Edge Aug 26, 2026

OpenResty Edge Updated Aug 26, 2026 9 mins read

OpenResty Edge Configuration as Code: GitOps-Driven Gateway Management with `edge2yaml`

openresty-edge edge2yaml

What Is edge2yaml?
When to Use edge2yaml: GitOps, Multi-Environment Sync, and Batch Editing
edge2yaml vs. OpenResty Edge Admin’s Native Configuration Management
Frequently Asked Questions

What Is edge2yaml?
When to Use edge2yaml: GitOps, Multi-Environment Sync, and Batch Editing
edge2yaml vs. OpenResty Edge Admin’s Native Configuration Management
Frequently Asked Questions

OPENRESTY Jul 7, 2026

OPENRESTY Updated Jul 7, 2026 9 mins read

lua-cjson Too Slow? jit.cjson Speeds Up JSON Encoding in OpenResty 18x

private-library json lua

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

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

OPENRESTY Aug 24, 2026

OPENRESTY Updated Aug 24, 2026 6 mins read

Minify HTML, CSS & JS Inside Nginx: OpenResty's 120 MB/s Streaming Minifiers

nginx lua private-library tls

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 Open Source Sep 22, 2026

OpenResty Open Source Updated Sep 22, 2026 3 mins read

OpenResty 1.29.2.3 Released

openresty releases

Version highlights
Full Changelog
Feedback

Version highlights
Full Changelog
Feedback

OpenResty XRay Aug 28, 2026

OpenResty XRay Updated Aug 28, 2026 10 mins read

Binary Vulnerability Scanning: Catch Backported Patches, Cut False Positives

security vulnerability openresty-xray cve

Why Version-Matching Vulnerability Scanning Fails: Three Compounding Costs
How OpenResty XRay’s Binary Vulnerability Scanning Works: The Evidence-First Model
Case Study: Binary Vulnerability Scanning on Rocky Linux with Dual OpenSSL Versions
From Alert Fatigue to Precision: A Sustainable Vulnerability Scanning Practice

Why Version-Matching Vulnerability Scanning Fails: Three Compounding Costs
How OpenResty XRay’s Binary Vulnerability Scanning Works: The Evidence-First Model
Case Study: Binary Vulnerability Scanning on Rocky Linux with Dual OpenSSL Versions
From Alert Fatigue to Precision: A Sustainable Vulnerability Scanning Practice

OPENRESTY Aug 27, 2026

OPENRESTY Updated Aug 27, 2026 12 mins read

P99 Latency in a D Service Cut 73%: Conservative GC Meets an O(n) Query Under Load

d-lang flame-graph performance garbage-collection

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

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 1 min read

OpenResty XRay Version 26.2.1. Now Available

openresty-xray releases

Key Highlights
Stability and Usability Enhancements

Key Highlights
Stability and Usability Enhancements

OpenResty Edge Jun 26, 2026

OpenResty Edge Updated Jun 26, 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 Aug 24, 2026

OpenResty XRay Updated Aug 24, 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

OpenResty Open Source Sep 22, 2026

OpenResty Open Source Updated Sep 22, 2026 3 mins read