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z160896
New Contributor II
since ‎08-27-2021
‎06-26-2023

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  • 2 Posts
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scala Spark App: I have a dataset of 130x14000. I read from a parquet file with SparkSession. Then used for Spark ML Random Forest model (using pipeline). It takes 7 hours to complete! for reading the parquet file takes about 1 minute. If I implemen...