What is backup node in Hadoop?

Related questions

1. Does Hdfs use zookeeper?
2. What is Hdfs in big data?
3. What is HDFS block?
4. What is a replication factor?
5. What is the difference between a name node and a DataNode in HDFS?
6. What is the difference between NAS and DAS in Hadoop cluster?
7. How do I start NameNode and DataNode in Hadoop?
8. What is Hadoop architecture?
9. How do I change the block size in HDFS?
10. What is checkpoint in HDFS?

Tags

1. #edits
2. #checkpointing
3. #saving
4. #streaming
5. #memory
6. #local
7. #supports
8. #online
9. #checkpoint
10. #files
11. #extended
12. #performs
13. #namespace
14. #creating
15. #hadoop
16. #backup
17. #system