What is Text Input Format?

671

---

what is WebDAV in Hadoop?

728

---

What platform and Java version is required to run Hadoop?

637

---

what are the three modes in which Hadoop can be run?

625

---

How data is spilt in Hadoop?

642

---

what is storage and compute nodes?

732

---

When Namenode is down what happens to job tracker?

697

---

what are the main configuration parameters that user need to specify to run Mapreduce Job ?

600

---

what is "map" and what is "reducer" in Hadoop?

629

---

What is Shuffling and Sorting in a MapReduce?

658

---

What is the difference between Hadoop and RDBMS?

628

---

how can you check whether Namenode is working beside using the jps command?

657

---

Illustrate a simple example of the working of MapReduce.

626

---

For a Hadoop job, how will you write a custom partitioner?

647

---

what happens when Hadoop spawned 50 tasks for a job and one of the task failed?

687

---