Share Data Across Requests Served by OpenResty
Dec 1, 2020 13 min Posted by Yichun Zhang
This tutorial will demonstrate how to share data across different HTTP requests served by an OpenResty application. 12345... Read More »
Install OpenResty on CentOS 8 via dnf
Nov 30, 2020 14 min Posted by Yichun Zhang
This tutorial will demonstrate how to install OpenResty on CentOS 8 via dnf. We’ll use this fresh install of CentOS 8 in... Read More »
The resty Command-Line Utility Demo
Nov 29, 2020 14 min Posted by Yichun Zhang
In this tutroial, we will demonstrate how to use the resty command-line utility shipped with OpenResty. 123cd ~export PAT... Read More »
Write Your Own Lua Modules for OpenResty Applications
Nov 15, 2020 13 min Posted by Yichun Zhang
Today I’d demonstrate how to write your own Lua modules in your OpenResty applications, step by step. Let’s put our simp... Read More »
Hello World HTTP Example in OpenResty
Nov 14, 2020 9 min Posted by Yichun Zhang
This tutorial demonstrates how to implement a “hello world” HTTP interface using OpenResty. First of all, we make sure w... Read More »
Introduction to Lua-Land CPU Flame Graphs
Aug 31, 2020 38 min Posted by Yichun Zhang
What is a Flame Graph Simple Lua samples Complicated Lua applications... Read More »
Memory Fragmentation in OpenResty and Nginx's Shared Memory Zones
Aug 10, 2020 23 min Posted by Yichun Zhang
An empty zone Filling entries of similar sizes Deleting odd-numbered keys... Read More »
How OpenResty and Nginx Shared Memory Zones Consume RAM
Aug 4, 2020 27 min Posted by Yichun Zhang
Slabs and pages What is allocated is not what is paid for Fake Memory Leaks... Read More »
The Wonderland of Dynamic Tracing (Part 4 of 7)
Jun 27, 2020 10 min Posted by Yichun Zhang
Flame Graphs A Word on OpenResty XRay Read More »
The Wonderland of Dynamic Tracing (Part 3 of 7)
Jun 26, 2020 15 min Posted by Yichun Zhang
Applications of SystemTap in Production A Word on OpenResty XRay Read More »
