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Memory

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

  • 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

Locate Large Memory Objects inside PHP Processes (using 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
  • 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

Locate Large Memory Objects inside Perl Processes (using 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
  • 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

How Python Django's Application Uses Memory Internally (Using 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
  • 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

Find the largest Python objects or values taking the most RAM (using 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
  • 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

The LuaJIT GC64 Mode

  • 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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