Qunar Tech Salon
Jul 13, 2016 · Backend Development
Debugging Rare Core Dumps and Memory Leaks in High‑Concurrency Nginx with OpenSSL
The article describes a real‑world investigation of extremely rare core‑dump bugs and memory‑leak issues in a heavily modified Nginx+OpenSSL stack under high‑concurrency, detailing the debugging workflow, custom stress‑test tools, use of gdb, valgrind, AddressSanitizer, perf, flame graphs and performance‑tuning lessons.
Core DumpMemory LeakNginx
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