《Hadoop The Definitive Guide》ch08 MapReduce Features

1. 計數器html 1) 內置計數器緩存 2) 用戶自定義Java計數器網絡 [ate: /local/nomad2/hadoop/tomwhite-hadoop-book-32dae01 ] >> hadoop jar ch08.jar MaxTemperatureWithCounters input/ncdc/all max-temp 12/07/03 19:53:21 INFO mapre

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