OpenResty XRay Jul 24, 2026

OpenResty XRay Updated Jul 24, 2026 7 mins read

Automatic Core Dump Analysis (using OpenResty XRay)

openresty-xray core dump lua backtrace luajit dynamic tracing eBPF

• Locate the core dump file from a crashed OpenResty/Nginx worker
• Start automatic (guided) core dump analysis in OpenResty XRay
• Read the signal, CPU registers, and C backtrace of the crash
• Follow the Lua backtrace to the exact crashing line
• Automatic Insights reports for online core dumps

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 4 mins read

Install OpenResty XRay’s Agents on Amazon Linux via Package Bundles

tutorial openresty-xray Amazon-linux2 Agent install

• Logging in to the Console
• Installing the Agent via Bundle Packages
• Configuring and Detecting Applications
• Initiating Analyzers and Viewing Insights
• Install Another Agent
• What is OpenResty XRay

OpenResty XRay Jul 23, 2026

OpenResty XRay Updated Jul 23, 2026 6 mins read

Debugging High Disk I/O in Go Services on Linux

tutorial openresty-xray go golang disk I/O

• Identifying the Go process with high disk I/O
• Tracing Go disk read and write code paths with flame graphs
• Automatic disk I/O analysis and reports
• What is OpenResty XRay
• Frequently Asked Questions

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 5 mins read

Control Access to DNS Applications in OpenResty Edge's Admin Console

tutorial openresty-edge DNS user management

• Check DNS page permissions as a super user
• Create a user group with only read permission for this DNS application
• Create a tester account
• See the DNS applications with permission granted
• What is OpenResty Edge

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 5 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

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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

OpenResty XRay Jul 23, 2026

OpenResty XRay Updated Jul 23, 2026 6 mins read

How to Trace Go Panics in Production Without Restarting

tutorial openresty-xray Go Exceptions

• How to detect and analyze exceptions inside live Go applications
• Automatic analysis and reports
• What is OpenResty XRay
• FAQ

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 5 mins read

Call Lua modules by Edgelang in OpenResty Edge

tutorial openresty-edge Lua Edgelang

• Create a Lua module in OpenResty Edge
• Call the Lua module in an HTTP application of OpenResty Edge
• Verify the effect of calling the Lua module
• What is OpenResty Edge

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 6 mins read

How CPU Time is Spent inside PHP Laravel Apps (using OpenResty XRay)

tutorial openresty-xray Laravel PHP

• Problem: high CPU usage
• Use the Guidede Analysis Feature of OpenResty XRay to Analyze CPU Distribution in Laravel Application
• Automatic analysis and reports
• What is OpenResty XRay

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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 Jul 23, 2026

OpenResty XRay Updated Jul 23, 2026 5 mins read

How to Trace Rust Panics in Production Without Restarting

tutorial openresty-xray Rust Exceptions

• How to detect and analyze exceptions inside live Rust applications
• Automatic analysis and reports
• What is OpenResty XRay
• FAQ

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 5 mins read

Pinpointing CPU-Hottest Go Code Paths Inside Prometheus (using OpenResty XRay)

tutorial openresty-xray prometheus garbage collection go golang

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

OpenResty Open Source Jun 26, 2026

OpenResty Open Source Updated Jun 26, 2026 1 min read

OpenResty 1.25.3.1 Released

OpenResty releases

• Version highlights
• Full Changelog
• Feedback

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 2 mins read

Global Search in OpenResty Edge

tutorial openresty-edge search

• Search for Request ID
• Search for texts on the interface
• Search for upstreams
• Search for applications
• Search for blog posts

OpenResty XRay Jul 24, 2026

OpenResty XRay Updated Jul 24, 2026 8 mins read

How to Diagnose 504 Gateway Timeout Errors in OpenResty & Nginx

tutorial openresty-xray 504 timeout

• Confirm HTTP 504 gateway timeout errors in the OpenResty/Nginx access log
• Diagnose the 504 root cause with OpenResty XRay Guided Analysis
• Slow upstream, slow network link, or a too-short timeout setting
• Automatic root-cause reports on the Insights page

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 5 mins read

Performance Overhead of OpenResty XRay when Tracing Perl Apps

tutorial openresty-xray perl overhead

• Process Performance Before Running Analysis
• Performance Impact When the Analyzer is Running
• Impact Measurement on Throughput and Latency
• What is OpenResty XRay

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 6 mins read

How to Use Gateway Staging Servers in OpenResty Edge

tutorial openresty-edge server staging

• What are staging servers
• Set up gateway servers as staging servers
• Release changes to staging servers
• Test changes on staging servers

OpenResty XRay Aug 11, 2026

OpenResty XRay Updated Aug 11, 2026 6 mins read

Locate the Largest Memory Objects in a Live Perl Process

tutorial openresty-xray perl memory

• Symptom: a Perl process using high memory in top
• Profile the process with OpenResty XRay guided analysis to find the largest Perl objects
• Trace the largest object back to its source file
• Monitor Perl process memory automatically with Insights reports
• FAQ
• What is OpenResty XRay

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 5 mins read

Measuring the Performance Overhead of OpenResty XRay When Profiling Go Applications

tutorial openresty-xray go overhead

• Process Performance Before Running Analysis
• Performance Impact When the Analyzer is Running
• Impact Measurement on Throughput and Latency
• What is OpenResty XRay