Featured Articles

dynamic-tracing6 mins read

Resolving Bilibili’s major site incident with OpenResty XRay

security9 mins read

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

openresty-xray6 mins read

Introduction to OpenResty XRay

openresty-xray3 mins read

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

openresty-xray4 mins read

Building a Non-Invasive Java Function Profiler with OpenResty XRay

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

nginx11 mins read

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

OpenResety Edge Jun 17, 2025

OpenResety Edge Updated Jun 17, 2025 6 mins read

Set up a Simplest Reverse Proxy and Load Balancer with OpenResty Edge

Create a sample application
Create an upstream for the sample application
Create a page rule to make use of the upstream
Release the configuration

Create a sample application
Create an upstream for the sample application
Create a page rule to make use of the upstream
Release the configuration

OpenResty Open Source Apr 12, 2024

OpenResty Open Source Updated Apr 12, 2024 1 min read

Official OpenResty Aarch64/ARM64 pkg repo

OpenResty pre-build packages aarch64 arm64

Ubuntu 18.04/20.04
Debian 9/10
CentOS/RHEL 7/8，Fedora 32/33

Ubuntu 18.04/20.04
Debian 9/10
CentOS/RHEL 7/8，Fedora 32/33

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Install OpenResty on Ubuntu 20.04 via apt-get

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OpenResty Showman Oct 20, 2023

OpenResty Showman Updated Oct 20, 2023 3 mins read

How We Generate Videos from Screenplay Files

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OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 5 mins read

Streaming HTTP Response Output in OpenResty

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OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Precompile Lua Modules into LuaJIT Bytecode to Speedup OpenResty Startup

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OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Timing Lua Code Correctly in OpenResty

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OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 3 mins read

Lookup OpenResty Documentation on Terminal with restydoc

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OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Share Data Across Requests Served by OpenResty

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OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Install OpenResty on CentOS 8 via dnf

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OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

The resty Command-Line Utility Demo

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OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 3 mins read

Memory Reduced by 60%, OpenResty XRay Precisely Locates Problem Code, Quickly Completes Fixes and Deployment

tutorial ylang openresty-xray analyzer

High Memory Usage by Worker Processes
Analysis Process
Questions about Worker Process Memory Not Being Released

High Memory Usage by Worker Processes
Analysis Process
Questions about Worker Process Memory Not Being Released

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Write Your Own Lua Modules for OpenResty Applications

nginx openresty tutorial lua

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 3 mins read

Hello World HTTP Example in OpenResty

nginx openresty tutorial lua

OpenResty Open Source Jan 2, 2022

OpenResty Open Source Updated Jan 2, 2022 1 min read

OpenResty 1.19.3.1 released

OpenResty releases

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 19 mins read

Introduction to Lua-Land CPU Flame Graphs

nginx openresty lua cpu openresty-xray dynamic-tracing

What is a Flame Graph
Simple Lua samples
Complicated Lua applications
Sampling overhead
Safety
Compatibility
Other types of Lua-land Flame Graphs

What is a Flame Graph
Simple Lua samples
Complicated Lua applications
Sampling overhead
Safety
Compatibility
Other types of Lua-land Flame Graphs

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 10 mins read

Memory Fragmentation in OpenResty and Nginx's Shared Memory Zones

nginx openresty memory openresty-xray dynamic-tracing

An empty zone
Filling entries of similar sizes
Deleting odd-numbered keys
Deleting the keys in the first half
Mitigating Fragmentation

An empty zone
Filling entries of similar sizes
Deleting odd-numbered keys
Deleting the keys in the first half
Mitigating Fragmentation

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 13 mins read

How OpenResty and Nginx Shared Memory Zones Consume RAM

nginx openresty memory openresty-xray dynamic-tracing

Slabs and pages
What is allocated is not what is paid for
Fake Memory Leaks
HUP reload

Slabs and pages
What is allocated is not what is paid for
Fake Memory Leaks
HUP reload

OpenResty Open Source Jan 2, 2022

OpenResty Open Source Updated Jan 2, 2022 2 mins read

OpenResty 1.17.8.1 released

OpenResty releases

OpenResty 1.17.8.1 released
Full Changelog
The Next Release

OpenResty 1.17.8.1 released
Full Changelog
The Next Release

OPENRESTY Jan 2, 2022

OPENRESTY Updated Jan 2, 2022 3 mins read

The OpenResty 10-Year Community Report: OpenSource Projects

OpenResty opensource project community booming

The OpenResty 10-Year Community Report: OpenSource Projects
Milestones Overview
Search Stats – an Increasing Trend
Contribution Stats – Rising Numbers
Final Thank You

The OpenResty 10-Year Community Report: OpenSource Projects
Milestones Overview
Search Stats – an Increasing Trend
Contribution Stats – Rising Numbers
Final Thank You

OpenResty Blog

OpenResty's Official Blog for Technologies & Products

Featured Articles

Resolving Bilibili’s major site incident with OpenResty XRay

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

Introduction to 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

The Wonderland of Dynamic Tracing (Part 1 of 3)

How OpenResty and Nginx Shared Memory Zones Consume RAM

How OpenResty and Nginx Allocate and Manage Memory

Latest Articles

Set up a Simplest Reverse Proxy and Load Balancer with OpenResty Edge

Official OpenResty Aarch64/ARM64 pkg repo

Install OpenResty on Ubuntu 20.04 via apt-get

How We Generate Videos from Screenplay Files

Streaming HTTP Response Output in OpenResty

Precompile Lua Modules into LuaJIT Bytecode to Speedup OpenResty Startup

Timing Lua Code Correctly in OpenResty

Lookup OpenResty Documentation on Terminal with restydoc

Share Data Across Requests Served by OpenResty

Install OpenResty on CentOS 8 via dnf

The resty Command-Line Utility Demo

Memory Reduced by 60%, OpenResty XRay Precisely Locates Problem Code, Quickly Completes Fixes and Deployment

Write Your Own Lua Modules for OpenResty Applications

Hello World HTTP Example in OpenResty

OpenResty 1.19.3.1 released

Introduction to Lua-Land CPU Flame Graphs

Memory Fragmentation in OpenResty and Nginx's Shared Memory Zones

How OpenResty and Nginx Shared Memory Zones Consume RAM

OpenResty 1.17.8.1 released

The OpenResty 10-Year Community Report: OpenSource Projects

OpenResty open-source community workspace

Featured Articles

Resolving Bilibili’s major site incident with OpenResty XRay

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

Introduction to 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

The Wonderland of Dynamic Tracing (Part 1 of 3)

How OpenResty and Nginx Shared Memory Zones Consume RAM

How OpenResty and Nginx Allocate and Manage Memory

Latest Articles

Set up a Simplest Reverse Proxy and Load Balancer with OpenResty Edge

Official OpenResty Aarch64/ARM64 pkg repo

Install OpenResty on Ubuntu 20.04 via apt-get

How We Generate Videos from Screenplay Files

Streaming HTTP Response Output in OpenResty

Precompile Lua Modules into LuaJIT Bytecode to Speedup OpenResty Startup

Timing Lua Code Correctly in OpenResty

Lookup OpenResty Documentation on Terminal with restydoc

Share Data Across Requests Served by OpenResty

Install OpenResty on CentOS 8 via dnf

The resty Command-Line Utility Demo

Memory Reduced by 60%, OpenResty XRay Precisely Locates Problem Code, Quickly Completes Fixes and Deployment

Write Your Own Lua Modules for OpenResty Applications

Hello World HTTP Example in OpenResty

OpenResty 1.19.3.1 released

Introduction to Lua-Land CPU Flame Graphs

Memory Fragmentation in OpenResty and Nginx's Shared Memory Zones

How OpenResty and Nginx Shared Memory Zones Consume RAM

OpenResty 1.17.8.1 released

The OpenResty 10-Year Community Report: OpenSource Projects

OpenResty open-source community workspace

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