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 occured and time-out the operation.

Method Summary

Methods

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.