What do you understand by a closure in scala?

488

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Can you explain textinformat?

502

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

468

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How many daemon processes run on a hadoop cluster?

457

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Which scala library is used for functional programming?

468

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

482

---

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

428

---

Can you explain speculative execution?

423

---

How do you overwrite replication factor?

455

---

Can you explain logistic regression?

418

---

Can you explain combiner?

441

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

431

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

454

---

What are the tools used in big data?

434

---

Can you explain indexing?

416

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