Manual Task2

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Manual for Task #2
Prerequisites:
This tutorial is developed on Ubuntu operating
System.
 You should have Hadoop (version 2.2.0 used for this
tutorial) already installed.
 You should have Java(version 1.8.0 used for this
tutorial) already installed on the system.


Steps to run the code:
Step 1) change directory to reach the path where hadoop
installed
$ cd /usr/local/hadoop
Step 2)Start Hadoop
$HADOOP_HOME/sbin/start-dfs.sh
Step 3)make a directory on the hdfs
Hadoop hdfs dfs -mkdir transactions
Step 4)put the transaction & user files on
this directory

Hadoop dfs -put ~/task2/job1/User.txt
Hadoop dfs -put
~/task2/job1/Transaction.txt
Step 5)run the mapper & reducer on those
file using hadoop streaming
hadoop jar /usr/local/hadoop2.8.1/share/hadoop/tools/lib/hadoopstreaming-2.8.1.jar -input
/usr/ahmedsaied/section3/* -output
/usr/ahmedsaied/section3/output1 -mapper
~/task2hadoop/job1/mapper.py -reducer
~/task2hadoop/job1/reducer.py
Step 6) run the second mapreduce to get
the expected output
hadoop jar /usr/local/hadoop2.8.1/share/hadoop/tools/lib/hadoopstreaming-2.8.1.jar -input
/usr/ahmedsaied/section3/output/part00000 -output
/usr/ahmedsaied/section3/output2 -mapper

~/task2hadoop/job1/mapper.py -reducer
~/task2hadoop/job1/reducer.py



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Create Date                     : 2017:12:16 21:31:16+00:00
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