What is Hadoop and its features?

Related questions

1. What is spark in big data?
2. What is the use of HDFS in Hadoop?
3. Is Hadoop open source?
4. Is Hadoop required to learn spark?
5. What is Hdfs multiplexer?
6. What are Hadoop technologies?
7. Does spark need Hadoop?
8. What is clusters in Hadoop?
9. What is Hadoop topology?

Tags

1. #processing
2. #hardware
3. #platform
4. #cluster
5. #hadoop
6. #there
7. #tolerant
8. #framework
9. #scalable
10. #processes
11. #written
12. #large
13. #system
14. #features
15. #source
16. #commodity
17. #fault
18. #efficiently
19. #storage
20. #volumes