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 Open Source Oct 22, 2024
OpenResty Open Source Oct 22, 2024
OpenResty 1.27.1.1 Released
- Version highlights
- Full Changelog
- Feedback
OpenResty XRay Oct 10, 2024
OpenResty XRay Oct 10, 2024
Analyzing Tomcat Java Web Application Request Latency (Using OpenResty XRay)
- Analyzing Tomcat Java Web application request latency
- Flexible filtering conditions for request capture
- Detailed request information capture
- PCAP packet capture functionality
- Practical application examples
OpenResty XRay Sep 20, 2024
OpenResty XRay Sep 20, 2024
Analyzing CPU, off-CPU and Disk I/O Usage of Java Applications (Using OpenResty XRay)
- High CPU usage issues in Java applications
- CPU blocking issues in Java applications
- High disk I/O issues in Java applications
- Supported Java versions and operating systems
- Performance impact and overhead
- Future plans
OpenResty XRay Sep 5, 2024
OpenResty XRay Sep 5, 2024
A Quick Tour to OpenResty XRay’s Web Console
- Introduction to Insight Page
- Comprehensive Report Details
- Dashboard Overview
- Use Guided Analysis Feature to Analyze Online
- Setting and Configuration
- What is OpenResty XRay
OpenResty XRay Aug 12, 2024
OpenResty XRay Aug 12, 2024
Pinpointing the Python Code Paths with High Disk I/O (using OpenResty XRay)
- Problem: high disk I/O
- Spot the problematic Python code paths
- Automatic analysis and reports
- What is OpenResty XRay