hdfs 실행 및 report

<설치 후, 첫 실행. >

sudo /usr/local/hadoop-2.5.0/sbin/start-dfs.sh

<상태 check>

 $hdfs dfsadmin -report 

<웹브라우저에서 확인.>

http://localhost:50070/ 

<HDFS 명령어>

$hdfs dfs -ls /

$hdfs dfs -mkdir /myTest

$hdfs dfs -put test.txt /

<Hadoop 명령어>

$hadoop fs -mkdir /wordCount

$hadoop fs -copyFromLocal wordCount.jar /wordCount

$hadoop fs -ls  

$hadoop jar wordCount.jar wordCount[main class]  /wordCount[folder]  /wordCount/output  [out folder]