Hadoop Namenode Commands

 Hadoop Namenode Commands

Command	Description
hadoop namenode -format	Format HDFS filesystem from Namenode
hadoop namenode -upgrade	Upgrade the NameNode
start-dfs.sh	Start HDFS Daemons
stop-dfs.sh	Stop HDFS Daemons
start-mapred.sh	Start MapReduce Daemons
stop-mapred.sh	Stop MapReduce Daemons
hadoop namenode -recover -force	Recover namenode metadata after a cluster failure (may lose data)

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Hadoop Namenode Commands Hadoop fsck Commands Hadoop Job Commands Hadoop dfsadmin Commands Hadoop Safe Mode (Maintenance Mode) Commands Hadoop Configuration Files Hadoop mradmin Commands Hadoop Balancer Commands Hadoop Filesystem Commands Additional Hadoop Filesystem Commands