wiki:III140705/Lab22

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實作二十二 Lab22

透過 MapReduce 的設定檔傳遞參數
Passing Arguments to Mapper and Reducer with Configuration

請先連線至 nodeN.3du.me , N 為您的報名編號
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

實作習題

<問題 1>

Last modified 10 years ago Last modified on Jul 5, 2014, 8:37:21 AM