Which one will you choose for a project –Hadoop MapReduce or Apache Spark?

291

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What do you understand by Lazy Evaluation?

358

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How can you remove the elements with a key present in any other RDD?

285

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How Spark uses Hadoop?

290

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What is a DStream?

321

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What are the various data sources available in SparkSQL?

323

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Explain about the core components of a distributed Spark application?

278

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What are the benefits of using Spark with Apache Mesos?

274

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What are the common mistakes developers make when running Spark applications?

274

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When running Spark applications, is it necessary to install Spark on all the nodes of YARN cluster?

320

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What is the significance of Sliding Window operation?

294

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Why is BlinkDB used?

284

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What is the advantage of a Parquet file?

315

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What are the key features of Apache Spark that you like?

381

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What do you understand by SchemaRDD?

306

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