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

Changes between Version 5 and Version 6 of NCHCCloudCourse100928_4_EXM3


Ignore:
Timestamp:
Jul 21, 2011, 5:43:55 PM (14 years ago)
Author:
waue
Comment:

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  • NCHCCloudCourse100928_4_EXM3

    v5 v6  
    44Hadoop 進階課程
    55</big></big></big></div> <div style="text-align: center; color:#7E2217"><big style="font-weight: bold;"><big>
    6 範例
     6練習
    77</big></big></div>
    88}}}
    … …  
    7171                job.setJarByClass(HelloHadoopV3.class);
    7272                // set map and reduce class
    73                 job.setMapperClass(HelloMapperV2.class);
    74                 job.setCombinerClass(HelloReducerV2.class);
    75                 job.setReducerClass(HelloReducerV2.class);
     73                job.setMapperClass(); // 輸入正確的mapper
     74                job.setCombinerClass(); // 輸入正確的 class
     75                job.setReducerClass(); // 輸入正確的 reducer
    7676
    7777                job.setMapOutputKeyClass(Text.class);