Hadoop handles the shipment code data fragments aka

MapReduce

Real world scenario: log data analysis

MapReduce

- Bottlenecks in data exchange

- Scalability problem

- Automatic parallelization and distribution

- Fault tolerance

WordCount: MapReduceHello Worldexample

A Real-World scenario: log data analysis In online purchasing, users sometimes abandon their shopping carts

MapReduce Framework
Outline

MapReduce implementation in Hadoop

Hadoop MapReduce frees the users from the low-level communication and coordination of nodes and processes

MapReduce implementation in Hadoop

Why Hadoop is useful to Big Data ?

- Fast transfer of data into storage

- Separation of programming logic and scheduling/management