Featured Articles

Photo by Yichun Zhang

Resolving Bilibili’s major site incident with OpenResty XRay

Resolving Bilibili’s major site incident with OpenResty XRay

Photo by Yichun Zhang

When Lua IPC Pipes Block OpenResty or Nginx's Event Loops

When Lua IPC Pipes Block OpenResty or Nginx's Event Loops

Photo by Philip Brown

The Wonderland of Dynamic Tracing (Part 1 of 3)

The Wonderland of Dynamic Tracing (Part 1 of 3)

Photo by Yichun Zhang

Automatic Analysis Reports in OpenResty XRay

Automatic Analysis Reports in OpenResty XRay

Photo by Guido Jansen

Introduction to Lua-Land CPU Flame Graphs

Introduction to Lua-Land CPU Flame Graphs

Photo by Elena Mozhvilo

Memory Fragmentation in OpenResty and Nginx's Shared Memory Zones

Memory Fragmentation in OpenResty and Nginx's Shared Memory Zones

Photo by Jose G. Ortega Castro

How OpenResty and Nginx Shared Memory Zones Consume RAM

How OpenResty and Nginx Shared Memory Zones Consume RAM

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Latest Articles

Performance Impact of OpenResty XRay when Tracing Python Apps (using OpenResty XRay)

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

Performance Impact of OpenResty XRay when Tracing Rust Apps (using OpenResty XRay)

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

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

  • 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
  • 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

Adding Custom Response Headers in OpenResty Edge

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

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

Install OpenResty XRay’s Agents on CentOS via RPM Packages

  • 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
  • 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

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

How CPU time is spent inside Rust’s Sled library (using OpenResty XRay)

  • 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
  • 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

How CPU time is spent inside Go's etcd server (using OpenResty XRay)

  • 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
  • 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

How CPU time is spent inside llama.cpp + LLaMA2 (using OpenResty XRay)

  • 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
  • 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

Pinpointing the hottest Go code paths with high CPU usage (using OpenResty XRay)

  • 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
  • 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

Pinpointing the blocking Python code paths (using OpenResty XRay)

  • 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
  • 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

Pinpointing hottest Perl code paths (using OpenResty XRay)

  • 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
  • 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
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