Changes between Version 3 and Version 4 of Hadoop_Lab4


Ignore:
Timestamp:
Sep 13, 2009, 3:04:43 PM (16 years ago)
Author:
waue
Comment:

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  • Hadoop_Lab4

    v3 v4  
    66[[PageOutline]]
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    8  == 練習 1 : Word Count 初級版 ==
     8 = 練習 1 : Word Count 初級版 =
    99
    1010 * 上傳內容到hdfs內
    … …  
    2828$ javac -classpath hadoop-*-core.jar -d MyJava WordCount.java
    2929$ jar -cvf wordcount.jar -C MyJava .
    30 $ bin/hadoop jar wordcount.jar WordCount input/ output/
    31 $ bin/hadoop fs -cat output/part-00000
     30$ bin/hadoop jar wordcount.jar WordCount lab4_input/ lab4_out1/
     31$ bin/hadoop fs -cat lab4_out1/part-00000
    3232}}}
    3333
    3434-----
    3535
    36  == 練習 2 : Word Count 進階版 ==
     36 = 練習 2 : Word Count 進階版 =
    3737
    3838{{{
    … …  
    4747$ javac -classpath hadoop-*-core.jar -d MyJava2 WordCount2.java
    4848$ jar -cvf wordcount2.jar -C MyJava2 .
    49 $ bin/hadoop jar wordcount2.jar WordCount2 input output2 -skip pattern.txt
    50 $ bin/hadoop fs -cat output2/part-00000
    51 $ bin/hadoop jar wordcount2.jar WordCount2 -Dwordcount.case.sensitive=false input output3 -skip pattern.txt
    52 $ bin/hadoop fs -cat output3/part-00000
     49$ bin/hadoop jar wordcount2.jar WordCount2 lab4_input lab4_out2 -skip pattern.txt
     50$ bin/hadoop fs -cat lab4_out2/part-00000
     51$ bin/hadoop jar wordcount2.jar WordCount2 -Dwordcount.case.sensitive=false lab4_input lab4_out3 -skip pattern.txt
     52$ bin/hadoop fs -cat lab4_out3/part-00000
    5353}}}