Guy with ten year experience switched from Java to Ruby two years ago. Issues with Rails' threads and performance. ActiveRecord doesn't do what he needs. Adoption of node.js has highlighted issues with Ruby libs that block and folk are jumping ship. Better to fix Ruby libs.
Odd to me, but there's no mention of JRuby in the discussion.
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tl;dr
Guy with ten year experience switched from Java to Ruby two years ago. Issues with Rails' threads and performance. ActiveRecord doesn't do what he needs. Adoption of node.js has highlighted issues with Ruby libs that block and folk are jumping ship. Better to fix Ruby libs.
Odd to me, but there's no mention of JRuby in the discussion.