Many people seem to refer only the scalability (performance, that is) side of the argument but only few who actually pointed out the developer's productivity of

Many people seem to refer only the scalability (performance, that is) side of the argument but only few who actually pointed out the developer's productivity of choosing Scala and Java for Twitter situation. http://www.infoq.com/articles/twitter-java-use http://www.infoq.com/articles/twitter-java-use