OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 2 mins read

Tested in Production: The Performance Impact of OpenResty XRay When Tracing Rust Applications

tutorial openresty-xray rust overhead

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

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 4 mins read

Dynamic-Tracing Custom Go Programs with Custom Ylang Analyzers (using OpenResty XRay)

tutorial openresty-xray ylang analyzer Go

• Insert two key-value Pairs into a Go Variable
• Write a Customize Ylang Analyzer to Dynamically Trace the Go program
• Test the Results
• What is OpenResty XRay

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 5 mins read

Configure Custom Error Pages in OpenResty Edge

tutorial openresty-edge custom-error-page

• Custom Templates Creation
• Application of Templates
• Validation of page rules
• Global Rewrite Rules

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 5 mins read

Configure DNS Records in OpenResty Edge

tutorial openresty-edge dns

• Adding DNS records
• Testing DNS records
• Configuring Authoritative DNS Servers

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 4 mins read

Adding Custom Response Headers in OpenResty Edge

tutorial openresty-edge

• Add New Respond Header and Use String As Value
• Use “System Hostname” As a Built-in Variable for Value

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 4 mins read

How to Use OpenResty Edge's Global Server Load Balancing (GSLB) Feature

tutorial openresty-edge dns gslb traffic

• View load balancing plans
• The GSLB configurations
• Edit each Edge Node to adjust the traffic flow

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 5 mins read

User Management and Access Control in OpenResty Edge’s Web Console

tutorial openresty-edge user-management

• Set Up a New Normal User Account
• Basic Configuration and Role-based Permission Control
• Configuration of Access Control
• Test the Results

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 6 mins read

How Python Django's Application Uses Memory Internally (Using OpenResty XRay)

tutorial openresty-xray python memory django

• Problem: high memory usage
• Use the guidede analysis feature of OpenResty XRay to analyze the django application
• Automatic analysis and reports
• What is OpenResty XRay

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 4 mins read

Install OpenResty XRay’s Agents on CentOS via RPM Packages

tutorial openresty-xray CentOS Agent install

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

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 5 mins read

Find the largest Python objects or values taking the most RAM (using OpenResty XRay)

tutorial openresty-xray python memory

• Problem: high memory usage
• Use the guided analysis feature of OpenResty XRay to find the largest Python objects or values taking the most RAM
• Automatic analysis and reports
• What is OpenResty XRay

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 5 mins read

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

tutorial openresty-xray go cpu

• Problem: low CPU usage
• Use the guidede analysis feature of OpenResty XRay to spot the blocking 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

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

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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 26, 2026

OpenResty XRay Updated Jun 26, 2026 5 mins read

Two bugs in Linux kernels' tracing subsystem (found by OpenResty XRay)

openresty-xray dynamic-tracing linux-kernel bugs

• Kernel deadlocks in user-space memory reading
• Data races in x86 breakpoint insertion of the kernel
• What is OpenResty XRay

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 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

OpenResty Open Source Jun 26, 2026

OpenResty Open Source Updated Jun 26, 2026 2 mins read

OpenResty 1.21.4.2 Released

OpenResty releases

• Version highlights
• Full Changelog
• Feedback

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 5 mins read

Pinpointing hottest Lua code paths in online OpenResty/Nginx servers (using OpenResty XRay)

tutorial openresty-xray lua cpu

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