org.apache.hadoop.mapreduce.lib.output

インタフェース PartialOutputCommitter

既知の実装クラスのリスト:

PartialFileOutputCommitter

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public interface PartialOutputCommitter

Interface for an OutputCommitter implementing partial commit of task output, as during preemption.

メソッドのサマリー

修飾子とタイプ	メソッドと説明
void	cleanUpPartialOutputForTask(TaskAttemptContext context) Remove all previously committed outputs from prior executions of this task.

メソッドの詳細

cleanUpPartialOutputForTask

void cleanUpPartialOutputForTask(TaskAttemptContext context)
                          throws IOException

Remove all previously committed outputs from prior executions of this task.

パラメータ:

context - Context for cleaning up previously promoted output.

例外:

IOException - If cleanup fails, then the state of the task my not be well defined.