How much time will it take to learn Hadoop?

Related questions

1. Is Hadoop cost effective?
2. Does big data have a future?
3. Why is Hadoop required?
4. Is Hadoop available for Windows?
5. How do I close spark shell?
6. Can Hadoop run on vmware?
7. What is Hadoop good for?
8. Can we run spark on Windows?
9. Can I install Hadoop on Mac?
10. How much does Hadoop cost?

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