类 org.apache.hadoop.mapred.ID
的使用

使用ID的程序包

程序包	说明
org.apache.hadoop.mapreduce

org.apache.hadoop.mapreduce中ID的使用

org.apache.hadoop.mapreduce中ID的子类

限定符和类型	类和说明
class	JobID JobID represents the immutable and unique identifier for the job.
class	TaskAttemptID TaskAttemptID represents the immutable and unique identifier for a task attempt.
class	TaskID TaskID represents the immutable and unique identifier for a Map or Reduce Task.