What are mapreduce new and old apis while writing map reduce program?. Explain how it works

665

---

Give some points of pig for hadoop ?

555

---

How does master slave architecture in the hadoop?

819

---

Explain the wordcount implementation via hadoop framework ?

731

---

What is hadoop framework?

727

---

What is partioner in hadoop? Where does it run,mapper or reducer?

673

---

What is a task instance in hadoop? Where does it run?

618

---

How to enable recycle bin in hadoop?

766

---

How to enable trash/recycle bin in hadoop?

741

---

What is small file problem in hadoop?

790

---

What are the default configuration files that are used in hadoop?

693

---

What exactly is hadoop?

697

---

Can we do online transactions(oltp) using hadoop?

670

---

Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?

695

---

What is output format in hadoop?

686

---