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

Changes between Version 41 and Version 42 of NCHCCloudCourse100802


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Timestamp:
Aug 11, 2010, 1:16:16 AM (15 years ago)
Author:
jazz
Comment:

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  • NCHCCloudCourse100802

    v41 v42  
    4848
    4949= HW3 =
     50
     51 * 3-1 :
     52 * Try to run hadoop streaming job on http://hadoop.nchc.org.tw
     53  * Mapper:     /bin/cat
     54  * Reducer:    /usr/bin/wc
     55  * Input:      /etc/hadoop/conf
     56  * Output:     /user/${id}/output
     57 * Run with extra parameter with -numReduceTasks
     58 * Please take screenshot of both results and compare the results. Compare the time of 1 reducer with 8 reducers.
     59 * Send a report of this homework to jazz_AT_nchc_DOT_org_DOT_tw