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= 實作二十二 Lab22 =

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<p style="text-align: center;"><big style="font-weight: bold;"><big>透過 MapReduce 的設定檔傳遞參數<br/> Passing Arguments to Mapper and Reducer with Configuration</big></big></p>
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請先連線至 nodeN.3du.me , N 為您的報名編號
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cd ~/hadoop_labs/lab013
ant
hadoop fs -put l13_input l13_input
hadoop jar WordCount.jar l13_input l13_output
hadoop fs -cat l13_output/part-r-00000
hadoop jar WordCount.jar -Dwordcount.case.sensitive=false l13_input l13_output2
hadoop fs -cat l13_output2/part-r-00000
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== 實作習題 ==

 <問題 1>