close Warning: Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_core.so: failed to map segment from shared object: Cannot allocate memory). Look in the Trac log for more information.

Changes between Version 38 and Version 39 of Hadoop_Lab4


Ignore:
Timestamp:
Dec 19, 2011, 11:54:06 PM (14 years ago)
Author:
waue
Comment:

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Unmodified
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  • Hadoop_Lab4

    v38 v39  
    3838
    3939
    40 
    41 
    42  = 練習 1 : Hello  =
     40 == 以 Hello 為例 ==
    4341
    4442[wiki:waue/helloHadoop code]
    … …  
    8381}}}
    8482
    85  * 運作程式
     83 * 編譯
    8684
    8785{{{
    … …  
    8987$ javac -classpath hadoop-*-core.jar -d MyJava WordCount.java
    9088$ jar -cvf wordcount.jar -C MyJava .
     89}}}
     90
     91 * 運算
     92{{{
    9193$ bin/hadoop jar wordcount.jar WordCount lab4_input/ lab4_out1/
    9294$ bin/hadoop fs -cat lab4_out1/part-r-00000