An OpenResty Worker Stuck in an Infinite Loop: How We Found a Missing LuaJIT ARM64 Instruction
A production investigation into 100% CPU usage, a missing ARM64 store instruction, and an incorrect load/store merge in LuaJIT.
Notes on engineering, reading, and everyday learning.
Document the process. Leave a clearer path for next time.
A production investigation into 100% CPU usage, a missing ARM64 store instruction, and an incorrect load/store merge in LuaJIT.