What do you understand by a closure in scala?

454

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Can you explain textinformat?

470

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

432

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How many daemon processes run on a hadoop cluster?

432

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Which scala library is used for functional programming?

419

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

449

---

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

406

---

Can you explain speculative execution?

397

---

How do you overwrite replication factor?

420

---

Can you explain logistic regression?

389

---

Can you explain combiner?

414

---

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

394

---

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

426

---

What are the tools used in big data?

401

---

Can you explain indexing?

387

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