Apache Impala vs Apache Hive LLAP
- Data Warehouse SQL engine
- share the same data and metadata throughthe Hive Metastore
- Impala was designed for speed
- Hive LLAP was designed for sophistication
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.