OpenResty Edge における Edgelang を通じた Lua モジュールの呼び出し
- Lua モジュールの作成
- HTTP アプリケーションにおける Lua モジュールの呼び出し
- Lua モジュール呼び出しの効果の検証
- Lua モジュールの作成
- HTTP アプリケーションにおける Lua モジュールの呼び出し
- Lua モジュール呼び出しの効果の検証
← Back
lua
OpenResty Edge で Lua 拡張機能を使用してゲートウェイサーバーのオフラインイベントに応答する
- 新しい Lua 拡張機能の作成
- オフラインゲートウェイサーバーを使用した Lua 拡張機能のトリガー
- 新しい Lua 拡張機能の作成
- オフラインゲートウェイサーバーを使用した Lua 拡張機能のトリガー
Pinpointing hottest Lua code paths in online OpenResty/Nginx servers (using OpenResty XRay)
- Problem: high CPU usage
- Use the guidede analysis feature of OpenResty XRay to spot the hottest Lua code paths
- Automatic analysis and reports
- Problem: high CPU usage
- Use the guidede analysis feature of OpenResty XRay to spot the hottest Lua code paths
- Automatic analysis and reports
How we solved a CPU bottleneck caused by Lua exceptions in a custom Kong plugin (using OpenResty XRay)
- The problem: high CPU usage in Kong servers
- The analysis & report
- The result: improved performance and reduced CPU usage
- The problem: high CPU usage in Kong servers
- The analysis & report
- The result: improved performance and reduced CPU usage
Memory and CPU usage statistics among Kong plugins online (using OpenResty XRay)
- CPU usage among all Kong plugins in a server process
- Memory usage among all Kong plugins in a server process
- Extra overhead for the servers
- CPU usage among all Kong plugins in a server process
- Memory usage among all Kong plugins in a server process
- Extra overhead for the servers
When Lua IPC Pipes Block OpenResty or Nginx's Event Loops
- The Problem
- Analyses
- Solutions
- Results
- The Problem
- Analyses
- Solutions
- Results
Listing Loaded Lua Modules in OpenResty or Nginx Processes
- System Environment
- Names of Loaded Lua Modules
- Running Directly in the Web Console
- Tracing Applications inside Containers
- How The Tools are Implemented
- The Overhead of the Tools
- System Environment
- Names of Loaded Lua Modules
- Running Directly in the Web Console
- Tracing Applications inside Containers
- How The Tools are Implemented
- The Overhead of the Tools
Streaming HTTP Response Output in OpenResty
Precompile Lua Modules into LuaJIT Bytecode to Speedup OpenResty Startup
Timing Lua Code Correctly in OpenResty
Share Data Across Requests Served by OpenResty
The resty Command-Line Utility Demo
Write Your Own Lua Modules for OpenResty Applications
Hello World HTTP Example in OpenResty
Introduction to Lua-Land CPU Flame Graphs
- What is a Flame Graph
- Simple Lua samples
- Complicated Lua applications
- Sampling overhead
- Safety
- Compatibility
- Other types of Lua-land Flame Graphs
- What is a Flame Graph
- Simple Lua samples
- Complicated Lua applications
- Sampling overhead
- Safety
- Compatibility
- Other types of Lua-land Flame Graphs
