Troubleshooting the extra 200-ms request latency online
- The Problem
- The Analsysis Process
- Fully-automated analysis
- What is OpenResty XRay
- The Problem
- The Analsysis Process
- Fully-automated analysis
- What is OpenResty XRay
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Smarkt-Packet-Capture
OpenResty XRay Jan 14, 2023
OpenResty XRay Jan 14, 2023
Automatic Analysis Reports in OpenResty XRay
- The Past
- The Present
- The Future
OpenResty XRay Nov 12, 2021
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
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
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
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
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 May 7, 2025
OpenResty XRay May 7, 2025
From Black Box to White Box: OpenResty XRay Makes System Issues Nowhere to Hide
- A Dynamic Tracing Tool That Turns Black Boxes into White Boxes
- Comprehensive Multi-dimensional Analysis Capabilities
- Real-World Case Studies
- Product Vision
OpenResty XRay Apr 18, 2025
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
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 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
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