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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 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
OpenResty XRay Apr 2, 2025
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
OpenResty XRay Apr 1, 2025
OpenResty XRay Apr 1, 2025
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
OpenResty XRay Mar 31, 2025
OpenResty XRay Mar 31, 2025
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