I remember seeing Twitter switching from ruby/rails to the JVM for a lot of their backend a few years ago. I wonder why they're using node now (unless the mobil

I remember seeing Twitter switching from ruby/rails to the JVM for a lot of their backend a few years ago. I wonder why they're using node now (unless the mobile traffic was never moved to the JVM)? https://www.infoq.com/articles/twitter-java-use https://www.infoq.com/articles/twitter-java-use