How does Hadoop achieve fault tolerance?

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Tags

1. #functions
2. #afford
3. #faults
4. #which
5. #heartbeat
6. #provides
7. #replication
8. #after
9. #reliability
10. #fails
11. #along
12. #scalability
13. #tolerance
14. #messages
15. #mainly
16. #hadoop
17. #cluster
18. #achieved
19. #system
20. #using
21. #properly
22. #mechanism
23. #features