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Un-Answered Questions { Apache Spark }
Is apache spark an etl tool?
What is a spark context?
Where is rdd stored?
What is apache spark engine?
Is hadoop mandatory for spark?
What is map in spark?
Is spark written in java?
How do I start a spark cluster?
Does spark sql use hive?
What is the default spark executor memory?
What is the difference between coalesce and repartition in spark?
What does rdd mean?
How does groupbykey work in spark?
What is tungsten in spark?
What is the difference between dataframe and dataset in spark?
