Anatomy of a 15x Performance Drop: A 90k to 6k QPS Root Cause Analysis with OpenResty XRay
LuaJIT
Yichun Zhang , 25 Jan 2014 (created 21 Jun 2011)LuaJIT is a Just-In-Time Compiler for the Lua programming language.
Homepage: http://luajit.org/luajit.html
LuaJIT is enabled by default since OpenResty 1.5.8.1.
Please explicitly specify the --with-luajit option while configuring OpenResty older
than 1.5.8.1. See Installation for details.
Modern OpenResty uses its own branch of LuaJIT with various important bug fixes and optimizations for OpenResty's use cases.















