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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
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