Mention what is data cleansing?

446

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What is a udf?

453

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What is a record reader?

411

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List out the different stream grouping in apache storm?

391

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List out the some common problems faced by data analyst?

423

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Why cloudera is used?

481

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What are the benefits yarn brings in to hadoop?

434

---

Define “speculative execution” in hadoop?

439

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What are the port numbers of job tracker?

529

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Explain the key benefits of using storm for real time processing?

437

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What is the logistic regression?

442

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Define data cleansing?

410

---

What are the port numbers of namenode?

434

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How can we create a hadoop cluster from scratch?

431

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What are the port numbers of task tracker?

469

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