Answer / Subhash Chandra Gupta

Fault tolerance in HDFS refers to its ability to continue functioning and maintaining data integrity despite component failures. This is achieved through replication of data across multiple DataNodes, ensuring that data can still be accessed even if some nodes fail.

How does hdfs get a good throughput?

1 Answers  

---

What is the benifit of Distributed cache, why can we just have the file in HDFS and have the application read it?

1 Answers  

---

How HDFS client divide the file into the block while storing inside HDFS?

1 Answers  

---

What is a task tracker?

1 Answers  

---

Explain what happens if, during the PUT operation, HDFS block is assigned a replication factor 1 instead of the default value 3?

1 Answers  

---

What happens if the block in HDFS is corrupted?

1 Answers  

---

How to change the replication factor of data which is already stored in HDFS?

1 Answers  

---

Why HDFS performs replication, although it results in data redundancy in Hadoop?

1 Answers  

---

How to Delete directory from HDFS?

1 Answers  

---

If a particular file is 50 mb, will the hdfs block still consume 64 mb as the default size?

1 Answers  

---

How to perform the inter-cluster data copying work in HDFS?

1 Answers  

---

What is secondary namenode?

1 Answers  

---