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Re:Scala vs. Node.js as a RESTful back end server (2015) by qihqi on Saturday April 23, 2016 @09:31PM (#11558199)
Generally true. Though, in context of webapps, each thread usually works on one request. If your threads share (mutable) states in that case then something is VERY broken.
Re:Scala vs. Node.js as a RESTful back end server (2015) by daxfohl on Sunday April 24, 2016 @08:45AM (#11559491)
Kind of, but consider logging. In node you can just console.log. In JVM you have to use a multi threaded logging library or your logs could be jumbled. Lots of things like that.