Interesting we saw about a 50% performance hit when trying jruby and also a 15% ... | Hacker News

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		taf2 on June 30, 2016 \| parent \| context \| favorite \| on: Rails 5.0: Action Cable, API mode, and more Interesting we saw about a 50% performance hit when trying jruby and also a 15% hit on memory usage- it was a no go for us

ch4s3 on June 30, 2016 [–]

That's not surprising, it has some real problems with certain code, the edge cases are bad sometimes. We had a 20% perf bump, but probably 4x the memory use. That said, it gets better every release, and the JVM tooling is quite nice.

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