What is Text Input Format?

717

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what is WebDAV in Hadoop?

794

---

What platform and Java version is required to run Hadoop?

697

---

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

679

---

How data is spilt in Hadoop?

698

---

what is storage and compute nodes?

792

---

When Namenode is down what happens to job tracker?

757

---

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

656

---

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

687

---

What is Shuffling and Sorting in a MapReduce?

719

---

What is the difference between Hadoop and RDBMS?

684

---

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

729

---

Illustrate a simple example of the working of MapReduce.

687

---

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

716

---

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

743

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