Resources

• Diagnosing

  • Memory Leak (edX wiki)

  • Diagnosing Memory Leaks in Python

  • Tracing Python Memory Leaks

  • https://nedbatchelder.com/blog/200809/a_server_memory_leak.html

  • Cale's three-part series on using Memsee to diagnose an edX memory leak: Part 1, Part 2, Part 3

• Known Python issues

  • glibc allocator doesn't release all free()ed memory (fixed in Python 3.3)

  • High Water Memory Fragmentation

    • Reduce memory fragmentation with MALLOC_MMAP_THRESHOLD_ and MALLOC_MMAP_MAX_

• Tools

  • Inspecting a Running Python Process (edX wiki)

  • Diagnosing Memory Leaks in Python

  • ps_util

• Python Memory manager and Garbage collector

  • Improving Python's Memory Allocator

  • valgrind

  • Python Garbage Collection

  • https://github.com/python-git/python/blob/master/Modules/gcmodule.c

• Django Memory Leaks

  • Django Memory Leaks, Part 1

  • Django Memory Leaks, Part 2