Answer / Swati Chandra

Apache Spark is a fast and general-purpose cluster-computing system. It provides an interface for programming entire clusters with implicit data parallelism and fault tolerance. It can be used for various big data processing tasks such as batch processing, streaming, machine learning, and graph processing.

Explain the key features of Spark.

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What is the task of Spark Engine

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Explain the processing speed difference between Hadoop and Apache Spark?

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What are the features and characteristics of Apache Spark?

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What do you know about transformations in spark?

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Explain the action count() in Spark RDD?

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Explain different transformations in DStream in Apache Spark Streaming?

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List out the various advantages of dataframe over rdd in apache spark?

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Define Partition in Apache Spark?

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What is spark parallelize?

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What is apache spark good for?

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What is aggregatebykey spark?

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