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OpenResty XRay Dec 2, 2025

OpenResty XRay Updated Dec 2, 2025 8 mins read

How We Pinpointed a 244ms Latency Spike in a 500k QPS OpenResty Gateway

openresty-xray qps p99 cpu
  • When Traditional Monitoring Fails to Pinpoint the Root Cause
  • From Heuristics to the Power of Dynamic Observability
  • Quantifiable Engineering Efficiency and Resource Optimization Results
  • Building Continuous Performance Observability
  • When Traditional Monitoring Fails to Pinpoint the Root Cause
  • From Heuristics to the Power of Dynamic Observability
  • Quantifiable Engineering Efficiency and Resource Optimization Results
  • Building Continuous Performance Observability

OpenResty XRay Oct 14, 2025

OpenResty XRay Updated Oct 14, 2025 8 mins read

Analyzing CPU Usage in Online Node.js Applications (Using OpenResty XRay)

openresty-xray Node.js memory cpu
  • High CPU Usage Issues in Node.js Applications
  • CPU Blocking Issues in Node.js Applications
  • Automated Sampling and Expert Analysis
  • Performance Impact and Overhead
  • Future Plans
  • High CPU Usage Issues in Node.js Applications
  • CPU Blocking Issues in Node.js Applications
  • Automated Sampling and Expert Analysis
  • Performance Impact and Overhead
  • Future Plans

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 9 mins read

Analyzing CPU, off-CPU and Disk I/O Usage of Java Applications (Using OpenResty XRay)

openresty-xray java memory cpu
  • 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
Photo by Yichun Zhang
  • 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 Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 6 mins read

How CPU Time is Spent inside Envoy Servers (using OpenResty XRay)

tutorial openresty-xray CPU Envoy
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the most CPU-intensive C++ code paths inside Envoy Servers
  • Automatic analysis and reports
  • What is OpenResty XRay
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the most CPU-intensive C++ code paths inside Envoy Servers
  • Automatic analysis and reports
  • What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

Pinpointing the hottest PHP code paths with high CPU usage (using OpenResty XRay)

tutorial openresty-xray PHP CPU
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the CPU-hottest PHP code paths
  • Automatic analysis and reports
  • What is OpenResty XRay
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the CPU-hottest PHP code paths
  • Automatic analysis and reports
  • What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

How CPU Time is Spent inside Go’s CockroachDB (using OpenResty XRay)

tutorial openresty-xray cpu Go CockroachDB
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the most CPU-intensive Go code paths
  • Automatic analysis and reports
  • What is OpenResty XRay
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the most CPU-intensive Go code paths
  • Automatic analysis and reports
  • What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 6 mins read

How CPU time is spent inside Rust’s Sled library (using OpenResty XRay)

tutorial openresty-xray cpu Sled Rust
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the most CPU-intensive Rust code paths
  • Automatic analysis and reports
  • What is OpenResty XRay
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the most CPU-intensive Rust code paths
  • Automatic analysis and reports
  • What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 6 mins read

How CPU time is spent inside Go's etcd server (using OpenResty XRay)

tutorial openresty-xray go cpu etcd
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the hottest Go code paths
  • Automatic analysis and reports
  • What is OpenResty XRay
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the hottest Go code paths
  • Automatic analysis and reports
  • What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 6 mins read

How CPU time is spent inside llama.cpp + LLaMA2 (using OpenResty XRay)

tutorial openresty-xray LLM cpu generative-AI llama2 llama.cpp profiling AI
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the hottest C++ code paths
  • Automatic analysis and reports
  • What is OpenResty XRay
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the hottest C++ code paths
  • Automatic analysis and reports
  • What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

Pinpointing the hottest Go code paths with high CPU usage (using OpenResty XRay)

tutorial openresty-xray go cpu
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the hottest Go code paths
  • Automatic analysis and reports
  • What is OpenResty XRay
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the hottest Go code paths
  • Automatic analysis and reports
  • What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

Pinpointing hottest Perl code paths (using OpenResty XRay)

tutorial openresty-xray perl cpu
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the hottest Perl code paths
  • Automatic analysis and reports
  • What is OpenResty XRay
  • Problem: high CPU usage
  • Use the guidede analysis feature of OpenResty XRay to spot the hottest Perl code paths
  • Automatic analysis and reports
  • What is OpenResty XRay

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 12 mins read

Analyzing the Most CPU-Consuming Requests in OpenResty or Nginx

openresty tutorial cpu nginx openresty-xray ysql
  • System Environment
  • CPU-Hottest Request Hostnames
  • CPU-Hottest Request URIs
  • Digging Deeper
  • Running Directly in the Web Console
  • Tracing Applications inside Containers
  • How The Tools are Implemented
  • The Overhead of the Tools
Photo by Yichun Zhang
  • System Environment
  • CPU-Hottest Request Hostnames
  • CPU-Hottest Request URIs
  • Digging Deeper
  • Running Directly in the Web Console
  • Tracing Applications inside Containers
  • How The Tools are Implemented
  • The Overhead of the Tools
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