What is spark in Hadoop?

Related questions

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

Tags

1. #spark
2. #mapreduce
3. #designed
4. #hbase
5. #batch
6. #hadoop
7. #inputformat
8. #interactive
9. #processing
10. #process
11. #cassandra
12. #perform
13. #queries
14. #apache
15. #similar
16. #clusters
17. #machine
18. #through
19. #standalone
20. #workloads
21. #streaming
22. #learning