1 Scaling to Millions of Simultaneous Connections Rick Reed WhatsApp Erlang Factory SF March 30, 2012 2 About ... Joined WhatsApp in 2011 New to Erlang Background in performance of C-based systems on FreeBSD and Linux Prior work at Yahoo!, SGI 3 Overview The “good problem to have” Performance Goals Tools and Techniques Results General Findings Specific Scalability Fixes 4 The Problem A good proble
