Analyzer

OpenResty XRay Apr 7, 2025

OpenResty XRay Updated Apr 7, 2025 5 mins read

OpenResty XRay Helps Boost Script Performance by 44 Times

From Bottleneck Discovery to Significant Speed Improvement
How OpenResty XRay Works
Comparison with Traditional Methods

From Bottleneck Discovery to Significant Speed Improvement
How OpenResty XRay Works
Comparison with Traditional Methods

OpenResty XRay Apr 3, 2025

OpenResty XRay Updated Apr 3, 2025 4 mins read

Case Study: OpenResty XRay Doubles Ylang Compiler Performance

Case Study: OpenResty XRay Doubles Ylang Compiler Performance
Significant Optimization Results
Ylang Language: The Ideal Tool for Dynamic Tracing
A Model of Technical Synergy
Further Reading

Case Study: OpenResty XRay Doubles Ylang Compiler Performance
Significant Optimization Results
Ylang Language: The Ideal Tool for Dynamic Tracing
A Model of Technical Synergy
Further Reading

OpenResty XRay Jan 14, 2024

OpenResty XRay Updated Jan 14, 2024 4 mins read

Dynamic-Tracing Custom Go Programs with Custom Ylang Analyzers (using OpenResty XRay)

Insert two key-value Pairs into a Go Variable
Write a Customize Ylang Analyzer to Dynamically Trace the Go program
Test the Results
What is OpenResty XRay

Insert two key-value Pairs into a Go Variable
Write a Customize Ylang Analyzer to Dynamically Trace the Go program
Test the Results
What is OpenResty XRay

OpenResty XRay Jun 4, 2025

OpenResty XRay Updated Jun 4, 2025 3 mins read

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

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 XRay Jan 14, 2023

Automatic Analysis Reports in OpenResty XRay

The Past
The Present
The Future

OpenResty XRay Nov 12, 2021

Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 1 of 4)

What is Dynamic Tracing
Why the “Y” Name
Getting Started
Various Backends and Runtimes
Why a Unified Frontend Language
The Language Syntax

OpenResty XRay Aug 31, 2020

Introduction to Lua-Land CPU 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 Aug 10, 2020

Memory Fragmentation in OpenResty and Nginx's Shared Memory Zones

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

OpenResty XRay Aug 4, 2020

How OpenResty and Nginx Shared Memory Zones Consume RAM

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

OpenResty XRay Jan 21, 2020

How OpenResty and Nginx Allocate and Manage Memory

On The System Level
On The Application Level
For Traditional Nginx Servers

OpenResty Open Source May 30, 2025

OpenResty 1.27.1.2 Released

Version highlights
Full Changelog
Feedback

OpenResty XRay May 30, 2025

Deep Dive into Dynamic Tracing Technology: How OpenResty XRay Revolutionizes Problem Diagnosis

Dynamic Tracing: A Powerful Tool for Solving Complex System Issues
Why Choose OpenResty XRay?
Product Focus: XRay Applications in Real-World Scenarios
Common Misconceptions and FAQs: What You Might Want to Know About Dynamic Tracing

OpenResty XRay May 26, 2025

Why is Dynamic Tracing Difficult to Implement? How Does OpenResty XRay Break Through?

Why is Problem Troubleshooting Becoming Increasingly Difficult in Modern Software Architecture?
Trend Insights: The Future of Observability Technology
How Does Dynamic Tracing Technology Break Through Abstraction Layers?
Use Case: Real-time Statistics of Plugin Resource Consumption in Production Kong Services
Conclusion

OpenResty XRay May 26, 2025

Traditional Methods vs. Dynamic Tracing: A Revolution in Efficiency and Control

A Revolution in Efficiency and Control
Dynamic Tracing: X-Ray Vision for Your Systems
From Flame Graphs to System Panorama
Why Choose OpenResty XRay?
The Future of Observability: New Frontiers in Dynamic Tracing

OpenResty XRay May 26, 2025

The Next Stop for Observability: How OpenResty XRay Redefines Problem Troubleshooting

Why is Problem Troubleshooting Becoming Increasingly Difficult in Modern Software Architecture?
Trend Insights: The Future of Observability Technology
How Does Dynamic Tracing Technology Break Through Abstraction Layers?
Use Case: Real-time Statistics of Plugin Resource Consumption in Production Kong Services
Conclusion

OpenResty Blog

OpenResty's Official Blog for Technologies & Products

OpenResty XRay Helps Boost Script Performance by 44 Times

Case Study: OpenResty XRay Doubles Ylang Compiler Performance

Dynamic-Tracing Custom Go Programs with Custom Ylang Analyzers (using OpenResty XRay)

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

Automatic Analysis Reports in OpenResty XRay

Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 1 of 4)

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

How OpenResty and Nginx Allocate and Manage Memory

OpenResty 1.27.1.2 Released

Deep Dive into Dynamic Tracing Technology: How OpenResty XRay Revolutionizes Problem Diagnosis

Why is Dynamic Tracing Difficult to Implement? How Does OpenResty XRay Break Through?

Traditional Methods vs. Dynamic Tracing: A Revolution in Efficiency and Control

The Next Stop for Observability: How OpenResty XRay Redefines Problem Troubleshooting

OpenResty XRay Helps Boost Script Performance by 44 Times

Case Study: OpenResty XRay Doubles Ylang Compiler Performance

Dynamic-Tracing Custom Go Programs with Custom Ylang Analyzers (using OpenResty XRay)

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

Automatic Analysis Reports in OpenResty XRay

Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 1 of 4)

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

How OpenResty and Nginx Allocate and Manage Memory

OpenResty 1.27.1.2 Released

Deep Dive into Dynamic Tracing Technology: How OpenResty XRay Revolutionizes Problem Diagnosis

Why is Dynamic Tracing Difficult to Implement? How Does OpenResty XRay Break Through?

Traditional Methods vs. Dynamic Tracing: A Revolution in Efficiency and Control

The Next Stop for Observability: How OpenResty XRay Redefines Problem Troubleshooting

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