Hadoop Architecture Diagram
Hadoop Architecture Diagram (HDFS + YARN + Hive) has 4 layers: Ingestion & Access, HDFS Storage, Processing & Query, Coordination & Security.
Key modules include Batch Ingestion, Stream Ingestion, Client Access, NameNode, DataNodes.

Key modules
- Batch Ingestion
- Stream Ingestion
- Client Access
- NameNode
- DataNodes
- Metadata & Replication
- YARN Resource Manager
- Batch Processing