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  • Datasets in Spark are inmutable. That’s why you shouldn’t call withColumn many times.
  • https://twitter.com/vboykis/status/1655899657841541120?s=46 Spark Calc from Vicky Boykis
  • You can broadcast a dataframe, not just native types (although you are suffering a collect under the hood): https://stackoverflow.com/a/38667928.

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Backlinks

  • Second brain stats
  • Streaming architecture for real time analytics
  • Advanced Analytics With Pyspark
  • Apache Spark as a Compiler Joining a Billion Rows Per Second on a Laptop
  • Best Practices for Bucketing in Spark SQL
  • Lecture Hannes Muehleisen - Saving the Planet One Query at a Time
  • Real-Time Denormalized Data Streaming Platform
  • Learning Spark 2.0

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