14 Posts In Total

2020 Aug

Introduction to Lua-Land CPU Flame Graphs

What is a Flame Graph Simple Lua samples Complicated Lua applications... Read More »

Memory Fragmentation in OpenResty and Nginx's Shared Memory Zones

An empty zone Filling entries of similar sizes Deleting odd-numbered keys... Read More »

How OpenResty and Nginx Shared Memory Zones Consume RAM

Slabs and pages What is allocated is not what is paid for Fake Memory Leaks... Read More »