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OpenResty XRay Dec 3, 2025

OpenResty XRay Updated Dec 3, 2025 11 mins read

Deconstructing the LuaJIT Pseudo Memory Leak

memory openresty-xray luajit
  • Defining Pseudo Memory Leak
  • Beyond Crashes, Architectural Unpredictability
  • Why Code Optimization Is No Longer Effective?
  • From Passive Retention to Proactive Reclamation
  • Enabling Memory to Breathe
  • Defining Pseudo Memory Leak
  • Beyond Crashes, Architectural Unpredictability
  • Why Code Optimization Is No Longer Effective?
  • From Passive Retention to Proactive Reclamation
  • Enabling Memory to Breathe

OpenResty XRay Nov 11, 2025

OpenResty XRay Updated Nov 11, 2025 9 mins read

How OpenResty XRay Pinpointed Java Memory Issues

openresty-xray java memory
  • Background and Problem
  • Systematic Diagnostic Path: From Leak to Jitter
  • Diagnostic Efficiency and System Improvements
  • Why Choose OpenResty XRay for Java Application Memory Analysis?
  • Background and Problem
  • Systematic Diagnostic Path: From Leak to Jitter
  • Diagnostic Efficiency and System Improvements
  • Why Choose OpenResty XRay for Java Application Memory Analysis?

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 Jul 10, 2025

OpenResty XRay Updated Jul 10, 2025 10 mins read

How OpenResty XRay Thoroughly Analyzes Nginx Memory Corruption Issues

casestudy openresty-xray undo coredump memory nginx
  • A Nginx Crash Case That Kept the Operations Team Up All Night
  • How to Use OpenResty XRay to Precisely Capture the First Scene of Memory Corruption
  • How Secondary Development Accidentally Broke Nginx’s Lifecycle Management
  • A Nginx Crash Case That Kept the Operations Team Up All Night
  • How to Use OpenResty XRay to Precisely Capture the First Scene of Memory Corruption
  • How Secondary Development Accidentally Broke Nginx’s Lifecycle Management

OpenResty XRay Jul 8, 2025

OpenResty XRay Updated Jul 8, 2025 6 mins read

Case Study: How to Trace a Memory Leak Caused by an LRU Cache Using OpenResty XRay

casestudy openresty-xray lru memory
  • The Silent Killer: How Invisible Memory Leaks Threaten Business Stability
  • A Deep Dive into a Memory Leak Investigation
  • From Predicament to Breakthrough: A Pinpoint Diagnosis
  • The Silent Killer: How Invisible Memory Leaks Threaten Business Stability
  • A Deep Dive into a Memory Leak Investigation
  • From Predicament to Breakthrough: A Pinpoint Diagnosis

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 5 mins read

Locate Large Memory Objects inside PHP Processes (using OpenResty XRay)

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

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 5 mins read

Locate Large Memory Objects inside Perl Processes (using OpenResty XRay)

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

OpenResty XRay Jun 17, 2025

OpenResty XRay Updated Jun 17, 2025 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
  • 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 17, 2025

OpenResty XRay Updated Jun 17, 2025 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
  • 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 17, 2025

OpenResty XRay Updated Jun 17, 2025 16 mins read

The LuaJIT GC64 Mode

luajit openresty memory openresty-xray
  • The Old Memory Limit
    • When Hitting The Memory Limit
    • The Memory Limit Is Per Process
    • GC-Managed Memory
    • Memory Allocated Outside GC
    • Extending The x64 Mode to The 4 GB Limit
  • The New GC64 Mode
    • How to Enable The GC64 Mode
    • Performance Impact
    • Debugging and Profiling Tool Chains
  • The Old Memory Limit
    • When Hitting The Memory Limit
    • The Memory Limit Is Per Process
    • GC-Managed Memory
    • Memory Allocated Outside GC
    • Extending The x64 Mode to The 4 GB Limit
  • The New GC64 Mode
    • How to Enable The GC64 Mode
    • Performance Impact
    • Debugging and Profiling Tool Chains
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