Why use hadoop?

485

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What are the actions followed by hadoop?

516

---

What kind of hardware is best for hadoop?

475

---

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

488

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How jobtracker assign tasks to the tasktracker?

476

---

What are the functionalities of jobtracer?

477

---

How does fault tolerance work in mapreduce?

699

---

What is a scarce system resource?

720

---

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

699

---

Write a short note on the disadvantages of mapreduce

654

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Explain what you understand by speculative execution

676

---

Explain combiners.

688

---

when do reducers play their role in a mapreduce task?

663

---

In mapreduce what is a scarce system resource? Explain?

724

---

What do you understand by mapreduce?

705

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