| Class | Description | 
|---|---|
| MRInputAMSplitGenerator | 
 Implements an  
InputInitializer that generates Map Reduce 
 splits in the App Master. | 
| MRInputSplitDistributor | 
 Implements an  
InputInitializer that distributes Map Reduce 
 splits created by the client to tasks in the Vertex
 This can be used when certain reasons (e.g. | 
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