1. Namenode FORMAT
[hadoop@localhost ~] $ hdfs namenode -format

2. hadoop ½ÇÇà
[hadoop@localhost ~] $ start-all.sh

3. ÇÁ·Î¼¼½º È®ÀÎ
[hadoop@localhost ~] jps
10925 SecondaryNameNode
10768 DataNode
11142 NodeManager
11862 Jps
10679 Namenode
11051 ResourceManager
