What is data node and name Node?

Related questions

1. Why block size in HDFS is large?
2. What is MAP reduce function?
3. What are the most common input formats in Hadoop?
4. Why is replication done in HDFS?
5. What is HDFS block?
6. What is DataNode?
7. What is replication factor in HDFS and what is the default value?
8. What do you know about block and block in HDFS?
9. What is HDFS client?
10. Is the secondary NameNode is the backup node?

Tags

1. #itself
2. #known
3. #actual
4. #store
5. #datanodes
6. #centerpiece
7. #across
8. #namenode
9. #stored
10. #metadata
11. #actually
12. #tracks
13. #stores
14. #cluster
15. #files
16. #system
17. #dataset
18. #directory
19. #master