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Changes between Version 1 and Version 2 of NCHCCloudCourse100802/Lab3


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Timestamp:
Aug 6, 2010, 2:37:33 AM (15 years ago)
Author:
jazz
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  • NCHCCloudCourse100802/Lab3

    v1 v2  
    22#!html
    33<div style="text-align: center;"><big
    4  style="font-weight: bold;"><big><big>實作三、執行 MapReduce 基本運算</big></big></big></div>
     4 style="font-weight: bold;"><big><big>實作三、執行 MapReduce 基本運算</big></big></big><br><big><big>Lab3: Running MapReduce by Examples</big></big></div>
    55}}}
    66[[PageOutline]]
    77
    8  = 1 Hadoop運算命令 grep = 
     8= 1 Hadoop運算命令 grep = 
    99 
    1010 * grep 這個命令是擷取文件裡面特定的字元，在Hadoop example中此指令可以擷取文件中有此指定文字的字串，並作計數統計
    … …  
    114114 }}}
    115115
    116  = 2 Hadoop運算命令 WordCount =
     116= 2 Hadoop運算命令 WordCount =
    117117 
    118118 * 如名稱，WordCount會對所有的字作字數統計，並且從a-z作排列
    … …  
    129129}}}
    130130
    131  = 3. 使用網頁Gui瀏覽資訊 =
     131= 3. 使用網頁 GUI 瀏覽資訊 =
    132132 
    133133 * [http://localhost:50030 透過 Map/Reduce Admin 來察看程序運作狀態]
    … …  
    135135 * [http://localhost:50070 透過 NameNode 察看運算結果]
    136136
    137  = 4. 更多運算命令 =
     137= 4. 更多運算命令 =
    138138 
    139139 可執行的指令一覽表：