tl;dr: * Netflix had a bug in their code. * But Express.js should throw an error when multiple route handlers are given identical paths. * Also, Express.js s

tl;dr: * Netflix had a bug in their code. * But Express.js should throw an error when multiple route handlers are given identical paths. * Also, Express.js should use a different data structure to store route handlers. EDIT: HN commentors disagree. * node.js CPU Flame Graphs (http://www.brendangregg.com/blog/2014-09-17/node-flame-graphs-on-linux.html http://www.brendangregg.com/blog/2014-09-17/node-flame-graph...) are awesome!