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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

 

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