mahout安装测试

预装分布式环境之前已经安装好

下载 http://archive.apache.org/dist/mahout/ 

mahout-distribution-0.8.tar.gz 包

解压

mv mahout-distribution-0.8.tar.gz  mahout

声明环境变量

vim  .bash_profile

#mahout-distribution-0.8

export MAHOUT_HOME=/home/hadoop/mahout

export MAHOUT_BIN=/home/hadoop/mahout/bin

export PATH=$PATH:$MAHOUT_HOME/bin

source .bash_profile

mahout   --version   

Running on hadoop, using /home/hadoop/hadoop/bin/hadoop and HADOOP_CONF_DIR=

MAHOUT-JOB: /home/hadoop/mahout/mahout-examples-0.8-job.jar

16/02/03 15:55:44 WARN driver.MahoutDriver: Unable to add class: --version

16/02/03 15:55:44 WARN driver.MahoutDriver: No --version.props found on classpath, will use command-line arguments only

Unknown program '--version' chosen.

Valid program names are:.............

cp /home/hadoop/hadoop-core-1.2.1.jar    mahout/lib/hadoop

删除原来的包

下载一个数据文件synthetic_control.data  用作源

下载地址http://archive.ics.uci.edu/ml/databases/synthetic_control/synthetic_control.data

上传到hdfs上面

hadoop fs -ls /user/hadoop/testdata

Found 1 items

-rw-r--r--   1 hadoop supergroup     288374 2016-02-03 15:38 /user/hadoop/testdata/synthetic_control.data

运行

hadoop jar /home/hadoop/mahout/mahout-examples-0.8-job.jar  org.apache.mahout.clustering.syntheticcontrol.kmeans.Job

生成目录

 hadoop fs -ls /user/hadoop/output

Found 14 items

-rw-r--r--   1 hadoop supergroup        194 2016-02-03 15:45 /user/hadoop/output/_policy

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:45 /user/hadoop/output/clusteredPoints

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:41 /user/hadoop/output/clusters-0

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:41 /user/hadoop/output/clusters-1

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:42 /user/hadoop/output/clusters-2

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:42 /user/hadoop/output/clusters-3

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:42 /user/hadoop/output/clusters-4

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:43 /user/hadoop/output/clusters-5

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:43 /user/hadoop/output/clusters-6

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:44 /user/hadoop/output/clusters-7

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:44 /user/hadoop/output/clusters-8

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:45 /user/hadoop/output/clusters-9-final

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:41 /user/hadoop/output/data

drwxr-xr-x   - hadoop supergroup          0 2016-02-03 15:41 /user/hadoop/output/random-seeds