Impala

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Apache Impala vs Apache Hive LLAP

  • Data Warehouse SQL engine
  • share the same data and metadata throughthe Hive Metastore
  • Impala was degigned for speed
  • Hive LLAP was designed for sophistication
  • Article referenced

    Impala works best when you are interacting with a data mart, which is typically a large dataset with a schema that is limited in scope. Meanwhile, Hive LLAP is a better choice for dealing with use cases across the broader scope of an enterprise data warehouse.

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