What are the various data sources available in SparkSQL?

334

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Explain about the core components of a distributed Spark application?

293

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What are the benefits of using Spark with Apache Mesos?

291

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

286

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

328

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What is the significance of Sliding Window operation?

308

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Why is BlinkDB used?

302

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What is the advantage of a Parquet file?

329

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

390

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What do you understand by SchemaRDD?

315

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How can you achieve high availability in Apache Spark?

433

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Define a worker node?

456

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Name a few companies that use Apache Spark in production?

325

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What is the difference between persist() and cache()?

323

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Which spark library allows reliable file sharing at memory speed across different cluster frameworks?

271

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