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by abalone 4643 days ago
Twitter Engineering recently posted about their move to the JVM in detail. It's worth a read.

It wasn't just about a move to a service oriented architecture. They also got well over 10X performance gain out of each machine by moving to the JVM. (They attribute it to better concurrency.)

See: https://blog.twitter.com/2013/new-tweets-per-second-record-a...

I think the article's methodology is fine. It's not about the most popular languages in terms if developer head count. It's looking at what powers the biggest sites.