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Explain about the common workflow of a Spark program?
What do you understand by receivers in Spark Streaming ?
By Default, how many partitions are created in RDD in Apache Spark?
What are broadcast variables in Apache Spark? Why do we need them?
Is it necessary to start Hadoop to run any Apache Spark Application ?
What is write ahead log(journaling)?
Does Apache Spark provide checkpoints?
What is Apache Spark Machine learning library?
What is the use of map transformation?
Explain the run-time architecture of Spark?
List the advantage of Parquet files?
Name the Spark Library which allows reliable file sharing at memory speed across different cluster frameworks.
Please provide an explanation on DStream in Spark.
List the languages supported by Apache Spark?
Explain the Parquet File format in Apache Spark. When is it the best to choose this?
