| Interface | Description | 
|---|---|
| Partitioner | 
Partitioner is used by the TEZ framework to partition output
 key/value pairs. | 
| Class | Description | 
|---|---|
| KeyValueReader | 
 A key/value(s) pair based  
Reader. | 
| KeyValuesReader | 
 A key/value(s) pair based  
Reader. | 
| KeyValuesWriter | 
 key/value(s) based  
KeyValueWriter | 
| KeyValueWriter | 
 A key/value(s) pair based  
Writer | 
| TezRuntimeConfiguration | 
 Meant for user configurable job properties. 
 | 
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