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REQUIRED SKILLS FOR HDPCD EXAM

Core Spark

• • Initialize a Spark application

  • Run a Spark job on YARN

  • Create an RDD

  • Create an RDD from a file or directory in HDFS

  • Persist an RDD in memory or on disk

  • Perform Spark transformations on an RDD

  • Perform Spark actions on an RDD

  • Create and use broadcast variables and accumulators

  • Configure Spark properties

  • Write a Spark Core application in Python or Scala

Spark SQL

• • Perform operations on a DataFrame

  • Write a Spark SQL application

  • Use Hive with ORC from Spark SQL

  • Write a Spark SQL application that reads and writes data from Hive tables

  • Create Spark DataFrames from an existing RDD