ggevay commented on issue #3511: [Flink-5734] code generation for normalizedkey sorter URL: https://github.com/apache/flink/pull/3511#issuecomment-458913525 Hi @twalthr , This PR has a similar status as the serializer codegen PR, explained here: https://github.com/apache/flink/pull/2211#issuecomment-389240577 In the last paragraph of that comment I mentioned that there will be an MSc student working on an alternative approach, which would subsume both PRs. In the meantime, @mukrram-bajwa wrote a nice MSc thesis on this alternative approach, but unfortunately it's far from a PR-ready state, and I'm not sure at the moment whether we will push it further, or how feasible is the approach for pushing it to production-readiness. Btw. I don't know the details about the Blink improvements. Maybe that subsumes both of these PRs and even the alternative approach that was pursued in the MSc thesis, but I don't know. Or it might win solely on the basis of being closer to production readiness. I suggest to just close both of these PRs for now, and then maybe later get back to these performance issues with a fresh mind.
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