Apache Spark Basics

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Apache Spark - What is not true about map transformations?...

What is not true about map transformations?

  • The number of elements in resulting RDD will always be same as original
  • Map transformation can execute any valid code which takes argument same as RDD data type
  • Map Transformation is executed parallely on each partition against each record
  • The data type of elements in resulting RDD will always be same as original