To use Spark on an existing Hadoop Cluster, do we need to install Spark on all nodes of Hadoop?

352

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How will you connect Apache Spark with Apache Mesos?

261

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how will you implement SQL in Spark?

375

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Why is Transformation lazy in Spark?

342

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Does Hoe Spark handle monitoring and logging in Standalone mode?

275

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Explain foreach() operation in apache spark?

308

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What are the various functions of Spark Core?

332

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What is the job of blend () and repartition () in Map Reduce?

631

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Explain the flatMap() transformation in Apache Spark?

310

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What is RDD lineage graph? How does it enable fault-tolerance in Spark?

303

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What is PageRank in Spark?

268

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What are the drawbacks of Apache Spark?

312

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Explain textFile Vs wholeTextFile in Spark?

432

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Explain benefits of lazy evaluation in RDD in Apache Spark?

312

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Explain first() operation in Apache Spark?

299

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