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Remember to execute the windowing once with Spark
Spark

Remember to execute the windowing once with Spark

This is one of the things it makes sense when you stop to think about it. When you are performing the same aggregation over a window in more than one column, it is recommended to execute only once that windowing. Lets dive in with an example: I am working with

  • Marti Sec
Marti Sec Apr 28, 2020 • 2 min read
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