Answer / Ram Prakash Pandey

Several libraries are available on top of Apache Spark, such as MLlib (Machine Learning Library), GraphX (Graph processing library), Spark Streaming, and Spark SQL.

Can You Use Apache Spark To Analyze and Access Data Stored In Cassandra Databases?

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How do you parse data in xml? Which kind of class do you use with java to pass data?

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Explain textFile Vs wholeTextFile in Spark?

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How does reducebykey work in spark?

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Explain about the popular use cases of Apache Spark

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What is Catalyst framework?

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What is stage and task in spark?

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What do you understand by worker node?

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What is difference between spark and scala?

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If there is certain data that we want to use again and again in different transformations, what should improve the performance?

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What are the various data sources available in SparkSQL?

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Explain caching in spark streaming.

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