What do you understand by a closure in scala?

493

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Can you explain textinformat?

503

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

473

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How many daemon processes run on a hadoop cluster?

467

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Which scala library is used for functional programming?

471

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

483

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

436

---

Can you explain speculative execution?

426

---

How do you overwrite replication factor?

460

---

Can you explain logistic regression?

419

---

Can you explain combiner?

446

---

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

436

---

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

459

---

What are the tools used in big data?

441

---

Can you explain indexing?

421

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