Linux

OpenResty XRay Apr 3, 2025

OpenResty XRay Updated Apr 3, 2025 5 mins read

From Days to Hours: How OpenResty XRay Accelerated the Linux shred Tool by Dozens of Times

Problem Analysis
OpenResty XRay Practical Results
Optimization Process
Application Value

Problem Analysis
OpenResty XRay Practical Results
Optimization Process
Application Value

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 XRay Apr 18, 2025

OpenResty XRay Empowers LLVM clang Performance Optimization Practices

What is LLVM/clang
OpenResty XRay Analysis Process
Optimization Implementation and Results
Conclusion

OpenResty XRay Apr 17, 2025

Self-Optimization: The Performance Evolution of OpenResty XRay

Challenges and Pain Points
OpenResty XRay’s Self-Analysis Process
Remarkable Optimization Results
Technical Insights and Business Value
Conclusion

OpenResty XRay Apr 7, 2025

OpenResty XRay Helps Boost Script Performance by 44 Times

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

OpenResty XRay Apr 3, 2025

Cross-Media Data Structure Drift: OpenResty XRay Enables 20x Performance Improvement

Performance Challenges and Breakthroughs
Practical Significance of 20x Performance Improvement
Future Outlook

OpenResty XRay Apr 2, 2025

From OOM to O(1): The Implementation Path of Streaming JSON Parser

Differences between JSONL format and traditional JSON
Solution
Continuous optimization
Technical insights
verification

2025 Apr

2025 Mar

Case Study: OpenResty XRay Doubles Ylang Compiler Performance March 31, 2025

2024 Oct

2024 Sep

2024 Aug

2024 Jul

Install OpenResty XRay’s Agents on Kubernetes cluster July 26, 2024

2024 Jun

2024 May

2024 Apr

2024 Mar

2024 Feb

2024 Jan

2023 Dec

2023 Nov

2023 Oct

2023 Sep

2023 Aug

2023 Jul

2023 Jun

2023 May

2023 Apr

2023 Feb

2023 Jan

Automatic Analysis Reports in OpenResty XRay January 14, 2023

2022 Aug

Resolving Bilibili’s major site incident with OpenResty XRay August 24, 2022

2022 Jul

Tracing the Slowest PCRE Regular Expressions in OpenResty or Nginx Processes July 14, 2022

2022 Jun

2022 Mar

Limit Request Rate by Custom Keys in OpenResty Edge March 1, 2022

2021 Dec

2021 Nov

2021 Oct

Gateway Config's Version Control & Release Management in OpenResty Edge October 19, 2021

2021 Sep

2021 Aug

OpenResty 1.19.9.1 released August 22, 2021

2021 Jun

2021 May

2021 Apr

2021 Mar

2021 Feb

2020 Dec

2020 Nov

2020 Aug

2020 Jul

OpenResty 1.17.8.1 released July 8, 2020

2020 Jun

2020 Mar

OpenResty 1.15.8.3 + OpenResty 1.17.8.1 RC1 released March 21, 2020

2020 Jan

How OpenResty and Nginx Allocate and Manage Memory January 21, 2020

2019 Aug

Join Us August 5, 2019

2019 Jan

The LuaJIT GC64 Mode January 7, 2019

OpenResty Blog

OpenResty's Official Blog for Technologies & Products

From Days to Hours: How OpenResty XRay Accelerated the Linux shred Tool by Dozens of Times

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 XRay Empowers LLVM clang Performance Optimization Practices

Self-Optimization: The Performance Evolution of OpenResty XRay

OpenResty XRay Helps Boost Script Performance by 44 Times

Cross-Media Data Structure Drift: OpenResty XRay Enables 20x Performance Improvement

From OOM to O(1): The Implementation Path of Streaming JSON Parser

From Days to Hours: How OpenResty XRay Accelerated the Linux shred Tool by Dozens of Times

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 XRay Empowers LLVM clang Performance Optimization Practices

Self-Optimization: The Performance Evolution of OpenResty XRay

OpenResty XRay Helps Boost Script Performance by 44 Times

Cross-Media Data Structure Drift: OpenResty XRay Enables 20x Performance Improvement

From OOM to O(1): The Implementation Path of Streaming JSON Parser

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