Case-Study · OpenResty Official Blog

Case-Study

OpenResty XRay Aug 12, 2026

OpenResty XRay Updated Aug 12, 2026 4 mins read

Nginx C++ Module Memory Leak: Root Cause in Production, No Restart

case-study openresty-xray Nginx c++

The Production Challenge: A C++ Module Memory Leak You Can’t Debug With GDB
How the Flame Graph Pinpointed the Leaking Function in ngx_dubbo_module
From Reactive to Proactive: XRay’s New Approach to Troubleshooting
The OpenResty XRay Closed-Loop Approach

The Production Challenge: A C++ Module Memory Leak You Can’t Debug With GDB
How the Flame Graph Pinpointed the Leaking Function in ngx_dubbo_module
From Reactive to Proactive: XRay’s New Approach to Troubleshooting
The OpenResty XRay Closed-Loop Approach

OpenResty XRay Aug 11, 2026

OpenResty XRay Updated Aug 11, 2026 8 mins read

Find Leaked Lua Tables: the registry / _LOADED (package.loaded) Reference Path in OpenResty XRay

openresty memory-leak openresty-xray case-study

How LuaJIT manages memory
OpenResty XRay’s command-line tools
A leaking Lua table example
Breaking down memory by LuaJIT GC object type
Reading the lj-gco-ref flame graph: registry, _LOADED, package.loaded
Fully-automated Lua memory leak analysis

How LuaJIT manages memory
OpenResty XRay’s command-line tools
A leaking Lua table example
Breaking down memory by LuaJIT GC object type
Reading the lj-gco-ref flame graph: registry, _LOADED, package.loaded
Fully-automated Lua memory leak analysis

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