How long will it take to learn Hadoop?

Related questions

1. Is spark based on Hadoop?
2. Is Hadoop required for spark?
3. Which one is better Hadoop or spark?
4. When should I use Kafka?
5. Is Apache spark tough to learn?
6. Does Kafka use HDFS?
7. Why Kafka is used?
8. What is the difference between Scala and Spark?
9. What is the difference between Hadoop and Spark?
10. Who uses Apache spark?

Tags

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2. #available
3. #implementation
4. #depend
5. #which
6. #practical
7. #bigdata
8. #takes
9. #getting
10. #there
11. #famous
12. #challenge
13. #completely
14. #courses
15. #practice
16. #learning
17. #months
18. #complete