org.apache.hadoop.util

Interface Progressable

All Known Subinterfaces:

MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>, ReduceContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>, Reporter, TaskAttemptContext, TaskAttemptContext, TaskInputOutputContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

@InterfaceAudience.Public
 @InterfaceStability.Stable
public interface Progressable

A facility for reporting progress.

Clients and/or applications can use the provided Progressable to explicitly report progress to the Hadoop framework. This is especially important for operations which take significant amount of time since, in-lieu of the reported progress, the framework has to assume that an error has occurred and time-out the operation.

Method Summary

Modifier and Type	Method and Description
void	progress() Report progress to the Hadoop framework.

Method Detail

progress

void progress()

Report progress to the Hadoop framework.