What kind of hardware is best for hadoop?

421

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Where are hadoop’s configuration files located and list them?

447

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How jobtracker assign tasks to the tasktracker?

420

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What are the functionalities of jobtracer?

410

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How does fault tolerance work in mapreduce?

635

---

What is a scarce system resource?

663

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With the help of two examples name the map and reduce function purpose

643

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Write a short note on the disadvantages of mapreduce

603

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Explain what you understand by speculative execution

614

---

Explain combiners.

642

---

when do reducers play their role in a mapreduce task?

625

---

In mapreduce what is a scarce system resource? Explain?

675

---

What do you understand by mapreduce?

654

---

Explain how mapreduce works.

624

---

What is an input reader in reference to mapreduce?

628

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