What is the difference between Hadoop and Spark?

Related questions

1. Do data scientist need to know Hadoop?
2. What exactly is Apache spark?
3. Is spark based on Hadoop?
4. What is the benefit of Kafka?
5. Is Apache Spark part of Hadoop?
6. How long will it take to learn Hadoop?
7. Does Kafka use HDFS?
8. Is Apache spark worth learning?
9. Why spark is faster than Hadoop?
10. Is Hadoop required for spark?

Tags

1. #computational
2. #slows
3. #while
4. #spark
5. #between
6. #write
7. #hadoop
8. #result
9. #better
10. #solution
11. #computation
12. #provides
13. #guide
14. #difference
15. #cover
16. #faster
17. #mapreduce
18. #speed