- http://eng.rightscale.com/2015/09/16/how-to-debug-ruby-memory-issues.html
- https://blog.codeship.com/the-definitive-guide-to-ruby-heap-dumps-part-i/
- https://github.com/basecamp/trashed
- zombocom/get_process_mem#9
- https://gist.github.com/sshaw/c5d321df26407f1af3fef419cb49334a#gistcomment-1759059
- https://github.com/rtomayko/posix-spawn
- https://github.com/djberg96/proc-wait3
- https://gist.github.com/nicowilliams/a8a07b0fc75df05f684c23c18d7db234
- https://samsaffron.com/archive/2015/03/31/debugging-memory-leaks-in-ruby
- https://github.com/schneems/heapy
- https://blog.nelhage.com/2013/03/tracking-an-eventmachine-leak/
- https://brandur.org/ruby-memory
- https://www.speedshop.co/2017/05/25/railsconf-2017-the-performance-update.html
- ASoftCo/leaky-gems#15
- https://github.com/tmm1/rbtrace
- http://tmm1.net/ruby21-process-setproctitle/
- http://tmm1.net/ruby21-objspace/
- http://tmm1.net/ruby21-rgengc/
- http://blog.skylight.io/hunting-for-leaks-in-ruby/
- https://stackoverflow.com/questions/20956401/how-do-i-track-down-a-memory-leak-in-my-ruby-code
- https://www.speedshop.co/2015/10/15/ruby-app-performance-with-new-relic.html
- https://www.toptal.com/ruby/hunting-ruby-memory-issues
- http://zogovic.com/post/59091704817/memory-usage-monitor-in-ruby
- https://github.com/schneems/get_process_mem
- https://github.com/srawlins/allocation_stats
- https://www.youtube.com/watch?v=kZcqyuPeDao