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by randomdata 5055 days ago
> when you really need to scale in orders of magnitude (like Twitter), then Java is beast.

The core Twitter service is still a Rails app though. There is nothing inherit to a language that makes it scale better than another, but different languages are better suited to different problems. As a result, Twitter does make use of Java in some capacity, but they also use a plethora of other languages where they make the most sense.