Why Apache Spark?

319

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Explain transformation and action in RDD in Apache Spark?

297

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How can we create RDD in Apache Spark?

301

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What is SparkSession in Apache Spark?

290

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What is the Difference SparkSession vs SparkContext in Apache Spark?

417

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What are the abstractions of Apache Spark?

307

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What is SparkContext in Apache Spark?

309

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What are the components of Apache Spark Ecosystem?

403

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Explain the RDD properties?

311

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What does ‘jps’ command do?

703

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Mention what is the use of Context Object?

722

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What is commodity hardware?

666

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Explain what is sqoop in Hadoop ?

740

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

749

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Explain what is the purpose of RecordReader in Hadoop?

753

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