First post on HN. I'm not entirely sure how the PayPal Node vs. Java message has been packaged, but I think there is a lot of confusion. From my understanding (via blogs and conferences), Node was used to replace Java on the front-end. Meaning, the Node front-end is still calling Java + other stacks upstream -- which likely explains the performance benchmarks (the front-end wasn't the bottle neck). That said, even with similar performance benchmarks, I can see how Node might result in higher developer productivity for the front-end components of PayPal -- hence the enthusiasm they are showing. Lot's of negativity and blame on this thread, but I think it's because people are making assumptions.
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