Why Apache Spark?

317

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Explain transformation and action in RDD in Apache Spark?

293

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How can we create RDD in Apache Spark?

299

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What is SparkSession in Apache Spark?

288

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What is the Difference SparkSession vs SparkContext in Apache Spark?

411

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What are the abstractions of Apache Spark?

304

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What is SparkContext in Apache Spark?

305

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What are the components of Apache Spark Ecosystem?

401

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Explain the RDD properties?

309

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What does ‘jps’ command do?

690

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Mention what is the use of Context Object?

717

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What is commodity hardware?

652

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Explain what is sqoop in Hadoop ?

721

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Explain how do ‘map’ and ‘reduce’ works?

734

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Explain what is the purpose of RecordReader in Hadoop?

743

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