[GitHub] [spark] aokolnychyi commented on issue #24515: [SPARK-14083][WIP] Basic bytecode analyzer to speed up Datasets

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aokolnychyi commented on issue #24515: [SPARK-14083][WIP] Basic bytecode analyzer to speed up Datasets
URL: https://github.com/apache/spark/pull/24515#issuecomment-488754018
 
 
   @dbtsai and I collaborated on this. The approach we take was originally described by @JoshRosen. The implementation and scope are very different, though. As the PR description says, the goal is to start a discussion and not to suggest a properly working optimal approach. To the best of my knowledge, there are multiple companies that are trying/tried to implement this functionality. It would be great if everyone can share their progress/ideas/pain points so that we can, hopefully, improve typed Datasets in Spark. 
   
   @rednaxelafx @kiszk @maropu @rxin @dongjoon-hyun @cloud-fan @gatorsmile

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