Hadoop allows businesses to find answers to questions they didn't even know how to ask, providing insights into daily operations, driving new product ideas, or putting compelling recommendations and/or advertisements in front of consumers who are likely to buy.
Hadoop Online Training Concepts :
HADOOP BASICS
1.The Motivation for Hadoop
1.Problems with traditional large-scale systems
1.Data Storage literature survey
2.Data Processing literature Survey
3.Network Constraints
2.Requirements for a new approach
3.Hadoop: Basic Concepts
1.What is Hadoop?
2.The Hadoop Distributed File System
3.Hadoop Map Reduce Works
4.Anatomy of a Hadoop Cluster
4.Hadoop demons
.HDFS(Hadoop Distributed File System)
1.Blocks and Splits
1.Input Splits
2.HDFS Splits
2.Data Replication
1.Hadoop Rack Aware
3.Data high availability
4.Cluster architecture and block placement
CASE STUDIES.