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.

asancore dumphigh concurrency

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Debugging Rare Core Dumps and Memory Leaks in High‑Concurrency Nginx with OpenSSL

21CTO

Jun 18, 2016 · Backend Development

How to Debug Rare Core Dumps in High‑Concurrency Nginx: Tools & Strategies

This article shares a detailed post‑mortem of debugging extremely rare core dumps and memory leaks in a high‑concurrency Nginx HTTPS implementation, covering root‑cause analysis, custom stress‑test frameworks, and the use of tools such as gdb, valgrind, AddressSanitizer, perf and flame graphs to locate and fix the issues.

asancore dumpdebugging

0 likes · 21 min read

How to Debug Rare Core Dumps in High‑Concurrency Nginx: Tools & Strategies