Hadoop: Menjalankan MapReduce Job -WordCount: Difference between revisions
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Onnowpurbo (talk | contribs) New page: Sumber: http://wiki.apache.org/hadoop/WordCount hadoop jar hadoop-*-examples.jar wordcount [-m <#maps>] [-r <#reducers>] <in-dir> <out-dir> hadoop dfs -copyFromLocal <local-dir> <hdf... |
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Sumber: http://wiki.apache.org/hadoop/WordCount | Sumber: http://wiki.apache.org/hadoop/WordCount | ||
==Buat File Data Sederhana== | |||
cd ~ | |||
touch file01 | |||
touch file02 | |||
echo "Hello World Bye World" > file01 | |||
echo "Hello Hadoop Goodbye Hadoop" > file02 | |||
hadoop dfs -ls /usr/joe/wordcount/input/ | |||
/usr/joe/wordcount/input/file01 | |||
/usr/joe/wordcount/input/file02 | |||
hadoop dfs -cat /usr/joe/wordcount/input/file01 | |||
Hello World Bye World | |||
hadoop dfs -cat /usr/joe/wordcount/input/file02 | |||
Hello Hadoop Goodbye Hadoop | |||
hadoop jar hadoop-*-examples.jar wordcount [-m <#maps>] [-r <#reducers>] <in-dir> <out-dir> | hadoop jar hadoop-*-examples.jar wordcount [-m <#maps>] [-r <#reducers>] <in-dir> <out-dir> | ||
Revision as of 10:21, 9 November 2015
Sumber: http://wiki.apache.org/hadoop/WordCount
Buat File Data Sederhana
cd ~ touch file01 touch file02 echo "Hello World Bye World" > file01 echo "Hello Hadoop Goodbye Hadoop" > file02
hadoop dfs -ls /usr/joe/wordcount/input/ /usr/joe/wordcount/input/file01 /usr/joe/wordcount/input/file02
hadoop dfs -cat /usr/joe/wordcount/input/file01 Hello World Bye World
hadoop dfs -cat /usr/joe/wordcount/input/file02 Hello Hadoop Goodbye Hadoop
hadoop jar hadoop-*-examples.jar wordcount [-m <#maps>] [-r <#reducers>] <in-dir> <out-dir>
hadoop dfs -copyFromLocal <local-dir> <hdfs-dir>
