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#Org.apache.hadoop.hive.contrib.mr Classes and Interfaces - 5 results found.
| Name | Description | Type | Package | Framework |
| GenericMR | This class attempts to provide a simple framework for writing Hive map/reduce The main benefit is that it deals with grouping the keys together for reduce | Class | org.apache.hadoop.hive.contrib.mr | Apache Hive |
| IdentityMapper | Example Mapper (Identity). | Class | org.apache.hadoop.hive.contrib.mr.example | Apache Hive |
| Mapper | Interface | org.apache.hadoop.hive.contrib.mr | Apache Hive | |
| Output | It's the responsibility of the caller to ensure the output is in the correct format (contains the correct number of columns, etc. | Interface | org.apache.hadoop.hive.contrib.mr | Apache Hive |
| Reducer | Simple reducer interface. | Interface | org.apache.hadoop.hive.contrib.mr | Apache Hive |