How do I start NameNode and DataNode in Hadoop?

Related questions

1. What is data node and name Node?
2. What is the difference between NameNode and DataNode in Hadoop?
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4. What is Hadoop and Mapreduce?
5. What is the minimum block size in HDFS?
6. What is Hdfs safe mode?
7. Why is a block in HDFS so large?
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Tags

1. #after
2. #daemon
3. #start
4. #cluster
5. #started
6. #master
7. #script
8. #slaves
9. #datanode
10. #using
11. #manually
12. #contacted
13. #server
14. #automatically
15. #correspondingly
16. #should
17. #added
18. #hadoop
19. #namenode
20. #configuration