Why use hadoop?

405

---

What are the actions followed by hadoop?

439

---

What kind of hardware is best for hadoop?

386

---

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

420

---

How jobtracker assign tasks to the tasktracker?

383

---

What are the functionalities of jobtracer?

391

---

How does fault tolerance work in mapreduce?

592

---

What is a scarce system resource?

623

---

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

600

---

Write a short note on the disadvantages of mapreduce

578

---

Explain what you understand by speculative execution

572

---

Explain combiners.

602

---

when do reducers play their role in a mapreduce task?

589

---

In mapreduce what is a scarce system resource? Explain?

631

---

What do you understand by mapreduce?

612

---