| Package | Description | 
|---|---|
| org.apache.hadoop.mapreduce | |
| org.apache.hadoop.mapreduce.lib.output | 
| Class and Description | 
|---|
| Checkpointable Contract representing to the framework that the task can be safely preempted
 and restarted between invocations of the user-defined function. | 
| Class and Description | 
|---|
| Checkpointable Contract representing to the framework that the task can be safely preempted
 and restarted between invocations of the user-defined function. | 
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