Best resources to learn and understand Hadoop

Here are some best resource to learn and understand Hadoop.

Tutorials

1. Free videos – MapR Academia
2. Udacity course
3. Hortonworks Sandbox
4. Hadoop Ecosystem
5. Running Hadoop Map-Reduce
6. Hadoop Screencasts
7. Reza Shiftehfar’s blog I
8. Reza Shiftehfar’s blog II
9. Reza Shiftehfar’s blog III
10. Reza Shiftehfar’s blog IV
11. Reza Shiftehfar’s blog V
12. Reza Shiftehfar’s blog VI
13. Reza Shiftehfar’s blog VII
14. Deploying Storm on Hadoop for Advertising Analysis
15. Hadoop classes by Cloudera
16. EMC classes: Big Data, Analytics, Data Science
17. Simulated Hadoop