Why do we need spark?

Related questions

1. Why should I learn spark?
2. Do I need Scala for spark?
3. How long does it take to learn spark?
4. What is spark in Hadoop?
5. Why spark is used in Hadoop?
6. How is Hadoop different from spark?
7. How do I start learning spark?
8. What is spark language used for?
9. What is faster than Apache spark?

Tags

1. #mapreduce
2. #source
3. #spark
4. #process
5. #purpose
6. #works
7. #batching
8. #computing
9. #across
10. #processing
11. #parallel
12. #system
13. #micro
14. #distributed
15. #hadoop
16. #apache
17. #engine
18. #general
19. #large
20. #cluster
21. #analyzing
22. #amount
23. #distribute
24. #streaming