Answer / Reena Ray

TextInputFormat is a built-in input format in Hadoop that reads data from files or directories as text, splits the data into lines, and generates key-value pairs with line numbers as keys and text content as values. It's commonly used when dealing with plain text files.

Why the name ‘hadoop’?

1 Answers  

---

What is a 'block' in HDFS?

1 Answers  

---

What are the four characteristics of Big Data?

1 Answers  

---

How can you overwrite the replication factors in HDFS?

1 Answers  

---

What are the stable versions of Hadoop?

1 Answers  

---

Define a daemon?

1 Answers  

---

Virtual Box & Ubuntu Installation?

1 Answers  

---

What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?

1 Answers  

---

What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?

1 Answers  

---

What is output format in hadoop?

1 Answers  

---

What do the master class and the output class do?

1 Answers  

---

What is safe mode in Hadoop?

1 Answers  

---