Package org.apache.hadoop.mapreduce.v2.app
@Private
package org.apache.hadoop.mapreduce.v2.app
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ClassDescriptionContext interface for sharing information across components in YARN App.This class handles job end notification.The Map-Reduce Application Master.This class generates TA_TIMED_OUT if the task attempt stays in FINISHING state for too long.This class listens for changes to the state of a Task.This class keeps track of tasks that have already been launched.