hadoop/streaming/mapper_test1.sh


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#!/bin/sh


hadoop dfs -put mapper_test.input mapper_test.input

HADOOP_HOME=/usr/lib/hadoop
HADOOP_VERSION=0.20.2-cdh3u1
JAR=contrib/streaming/hadoop-streaming-$HADOOP_VERSION.jar
HSTREAMING="$HADOOP_HOME/bin/hadoop jar $HADOOP_HOME/$JAR"

OUT=mapper_test_out

$HSTREAMING \
    -input mapper_test.input \
    -output $OUT \
    -mapper "python mapper1.py" \
    -file mapper_test1.py \
    -reducer org.apache.hadoop.mapred.lib.IdentityReducer \
    -jobconf mapred.reduce.tasks=3

hadoop dfs -get $OUT .
hadoop dfs -rmr $OUT
hadoop dfs -rm mapper_test.input