OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 5 mins read

From OOM to O(1): The Implementation Path of Streaming JSON Parser

tutorial openresty-xray json

• Differences between JSONL format and traditional JSON
• Solution
• Continuous optimization
• Technical insights
• verification

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 5 mins read

From Days to Hours: How OpenResty XRay Accelerated the Linux shred Tool by Dozens of Times

openresty-xray linux shred

• Problem Analysis
• OpenResty XRay Practical Results
• Optimization Process
• Application Value

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 4 mins read

Case Study: OpenResty XRay Doubles Ylang Compiler Performance

tutorial ylang openresty-xray analyzer

• Case Study: OpenResty XRay Doubles Ylang Compiler Performance
• Significant Optimization Results
• Ylang Language: The Ideal Tool for Dynamic Tracing
• A Model of Technical Synergy
• Further Reading

OpenResty Open Source Aug 24, 2026

OpenResty Open Source Updated Aug 24, 2026 3 mins read

OpenResty 1.27.1.1 Released

openresty releases

• Version highlights
• Full Changelog
• Feedback

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 8 mins read

Java Tomcat Slow Response Time: Pinpoint the Exact Slow Request with PCAP

openresty-xray java tomcat latency performance

• Diagnose Tomcat slow response time by catching the exact slow request
• Selective packet capture: filter by duration, status, and path
• Per-request PCAP download for one specific slow request
• Tell server-side latency from network delay
• Works for Spring Boot apps with embedded Tomcat

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 10 mins read

Java Application Profiling: CPU, Off-CPU & Disk I/O Without Safepoint Bias

openresty-xray java memory cpu

• Profiling Java CPU hotspots with flame graphs
• Off-CPU Java profiling: lock contention and blocking analysis
• Java disk I/O profiling: tracing file and socket writes
• OpenJDK 8/11/17/21 application profiling support
• Automated sampling and expert analysis
• Performance impact and overhead
• FAQ

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 6 mins read

OpenResty XRay Web Console: Insights, Dashboards & Guided Root-Cause Analysis

tutorial openresty-xray web-console

• What the Insights page shows
• How to read an analysis report
• What metrics the Dashboard shows
• Diagnosing high CPU usage with Guided Analysis
• Configuring an OpenResty XRay agent
• What is OpenResty XRay

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 6 mins read

Diagnosing High Disk I/O in Python Applications with XRay

tutorial openresty-xray python disk-io

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

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 6 mins read

How to Trace PHP Exceptions in Production Without Restarting

tutorial openresty-xray php exceptions

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

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 5 mins read

Install OpenResty XRay’s Agents on Kubernetes cluster

tutorial openresty-xray kubernetes agent install

• Logging in to the Console
• Installing the Agent on Kubernetes cluster
• Configuring and Detecting Applications
• Initiating Analyzers and Viewing Insights
• Install Another Agent
• What is OpenResty XRay

OpenResety Edge Aug 24, 2026

OpenResety Edge Updated Aug 24, 2026 4 mins read

How to Automate Managing Gateway Servers in K8s Environment (using OpenResty Edge)

tutorial openresty-edge gateway server kubernetes

• Bind Kubernetes to a gateway cluster
• Test
• About OpenResty Edge

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 4 mins read

Use Lua Extensions to Respond to Gateway Server Offline Events in OpenResty Edge

tutorial openresty-edge gateway server lua extension

• Create a new Lua extension
• Trigger the Lua extension with an offline gateway server
• What is OpenResty Edge

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 6 mins read

Why Your Rust Process Has High Disk I/O (and How to Find the Cause)

tutorial openresty-xray rust disk-io

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

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 7 mins read

OpenResty XRay Mobile Apps: Monitor and Troubleshoot Your Apps from Android & iOS

tutorial openresty-xray mobile app

• Download and install OpenResty XRay for Android
• Sign into OpenResty XRay
• Automatic analysis report
• View the performance chart data on the dashboard page
• Guided analysis feature
• Frequently asked questions
• What is OpenResty XRay

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 5 mins read

PHP Memory Profiler: Locate the Largest Memory Objects in a Live PHP Process

tutorial openresty-xray php memory

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

OpenResety Edge Aug 5, 2026

OpenResety Edge Updated Aug 5, 2026 6 mins read

OpenResty Edge Gateway Health Checks: Auto-Remove Failed Nodes from DNS

tutorial openresty-edge gateway server healthcheck

• Create a health check endpoint with a page rule
• Enable health checks for gateway servers
• Test failover when a gateway node fails
• Frequently asked questions

OpenResety Edge Aug 24, 2026

OpenResety Edge Updated Aug 24, 2026 5 mins read

How to Use Gateway Partitions in OpenResty Edge

tutorial openresty-edge gateway server releases

• Create a new partition
• Create a new application in the new partition
• Create a new page rule
• Test the new partition
• What is OpenResty Edge

OpenResety Edge Aug 24, 2026

OpenResety Edge Updated Aug 24, 2026 5 mins read

Accurately Restore the Real Client IP Address in OpenResty Edge

tutorial openresty-edge proxy real-ip

• Set “Trusted hosts to set real IP” and “Real IP from” Globally
• Configure the Application to Output the Client Address
• Check the Client Address Received on OpenResty Edge
• What is OpenResty Edge

OpenResty XRay Jun 26, 2026

OpenResty XRay Updated Jun 26, 2026 7 mins read

Use C++ to Dynamic-Trace C++ Applications

stl c++ ebpf openresty-xray dynamic-tracing

• Setting Up the Target C++ Program
• Crafting the C++ (or Y++) Analyzer
• Operationalizing the Target and Analyzer
• Advancing Support for Complex C++ Applications
• About the Debug Symbols

OpenResty XRay Aug 20, 2026

OpenResty XRay Updated Aug 20, 2026 7 mins read

Erlang High CPU Usage: PCRE Regex Bottleneck Traced with Flame Graphs

tutorial openresty-xray erlang cpu profiling regex flame-graph beam-vm

• Observing 200%+ CPU in an Erlang Process
• Profiling Erlang CPU Usage with OpenResty XRay
• C-Level Analysis: erts_pcre_exec and PCRE Backtracking
• Why PCRE Regex Backtracking Is Expensive in the BEAM VM
• Automatic Monitoring and Reports
• FAQ: Erlang High CPU Usage
• What is OpenResty XRay