What are the common transformations in apache spark?

263

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What is the difference between dataset and dataframe in spark?

344

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What is distributed cache in spark?

327

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What is catalyst framework in spark?

296

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How is dag created in spark?

266

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What does spark do during speculative execution?

301

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What is heap memory in spark?

238

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What is external shuffle service in spark?

276

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What is spark client?

262

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Which are the various data sources available in spark sql?

276

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Can you run spark without hadoop?

302

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What is tungsten engine in spark?

297

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What is stage and task in spark?

202

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What is spark execution engine?

333

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Is spark sql a database?

242

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