About Some beautiful blogs that help you gain knowledge over BigData happenings:
BigData/Hadoop trends and Happenings:
http://developer.yahoo.com/hadoop/tutorial/ --> More conceptual and brief explanations to the core concepts of Hadoop, cant find the best than this....
Hadoop Resources: Best place to learn a lot about Hadoop! Visit below link:
Want to process XML files in hadoop:
Refer the below links: