OpenResty XRay Sep 2, 2025

OpenResty XRay Updated Sep 2, 2025 8 mins read

Application Lagging? OpenResty XRay: Instantly Uncover the Truth Behind 75ms Blockages

openresty-xray casestudy lua nginx off-cpu

• Unraveling Performance Puzzles: CPU Resource Contention Comes to Light
• The Real Culprit Revealed: Blocking Lua I/O Operations
• Quantitative Analysis: The Impact of File IO Performance
• Deep Dive: Understanding Event Loop Blocking in Nginx

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 6 mins read

Find Blocking Perl Code Paths Holding back CPU Usage (Using OpenResty XRay)

tutorial openresty-xray perl off-cpu

• Problem: low CPU usage
• Use the guided analysis feature of OpenResty XRay to spot the blocking Perl code paths
• Automatic analysis and reports
• What is OpenResty XRay
• About The Author

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

Pinpointing the blocking Python code paths (using OpenResty XRay)

tutorial openresty-xray python off-cpu

• Problem: low CPU usage
• Use the guidede analysis feature of OpenResty XRay to spot the blocking Python code paths
• Automatic analysis and reports
• What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 6 mins read

When Lua IPC Pipes Block OpenResty or Nginx's Event Loops

openresty-xray nginx lua openresty off-cpu

• The Problem
• Analyses
• Solutions
• Results