3. Introduction
Big Data:?
Challenges of BIG DATA
Big Data Sources
Use cases of Big
Big data characteristics :
• Volume : Extremely large amount of data
• Velocity: Rate at which the data is generated
• Variety: Structured, semi-structured, unstructured data,
Big data Technologies:
4. Hadoop : Introduction
Hadoop. It allows the distributed processing on large
clusters and datasets
It’s a data management technology or a framework
Why Hadoop?
• Scalable.
• Cost effective.
• Fast,
• Resilient to failure.