Is nodejs less efficient than java background and not suitable for the background of large projects? ?

  node.js, question

Javascript is interpretive language and java is a compiled language. Will nodejs be less efficient than java background and not suitable for the background of large projects? ?

What tools to use to solve what problems, backstage range is so large, the questions you ask are too broad.
In addition, Taobao is also using nodejs
http://ued.taobao.org/blog/2014/04/full-stack-development-with-nodejs/