What do you understand by a closure in scala?

450

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Can you explain textinformat?

462

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List some use cases where classification machine learning algorithms can be used.

422

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How many daemon processes run on a hadoop cluster?

427

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Which scala library is used for functional programming?

414

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Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?

441

---

Which operating system(s) are supported for production hadoop deployment?

400

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Can you explain speculative execution?

393

---

How do you overwrite replication factor?

413

---

Can you explain logistic regression?

380

---

Can you explain combiner?

403

---

List of some best tools that can be useful for data-analysis?

385

---

What is the best practice to deploy the secondary name node?

418

---

What are the tools used in big data?

397

---

Can you explain indexing?

384

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