Why Apache Spark is faster than Hadoop?

Related questions

1. Why is Hadoop important?
2. What are Hadoop tools?
3. What is the Hadoop ecosystem?
4. Where is Hadoop technology used?
5. Is Hadoop difficult to learn?
6. Does Kafka require Hadoop?
7. What is big data with examples?
8. What is Hadoop and its ecosystem?
9. Does big data require coding?
10. What are big data systems?

Tags

1. #disks
2. #because
3. #faster
4. #processing
5. #programs
6. #nodes
7. #hadoop
8. #speed
9. #biggest
10. #claim
11. #spark
12. #mapreduce
13. #memory
14. #prevents
15. #regarding
16. #operations
17. #worker
18. #unnecessary
19. #could