zhuan:http://www.aboutyun.com/thread-7996-1-1.html
org.apache.hadoop.mapreduce.Job.mapProgress()
org.apache.hadoop.mapreduce.Job.reduceProgress()
http://hadoop.apache.org/docs/current/api/org/apache/hadoop/mapreduce/Job.html
本文介绍如何使用 org.apache.hadoop.mapreduce.Job 中的 mapProgress 和 reduceProgress 方法来监控 Hadoop 任务的进度。
zhuan:http://www.aboutyun.com/thread-7996-1-1.html
org.apache.hadoop.mapreduce.Job.mapProgress()
org.apache.hadoop.mapreduce.Job.reduceProgress()
http://hadoop.apache.org/docs/current/api/org/apache/hadoop/mapreduce/Job.html
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