301.3.4-Hive Architecture

Hive Architecture

Metastore

• The component that store the system catalog and meta data about tables, columns, partitions etc.
• Stored on a traditional RDBMS

Driver component

• Manages the lifecycle of a HiveQL statement as it moves through Hive.
• The driver also maintains a session handle and any session statistics.
• Query Compiler
• Optimizer
• Execution Engine