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Hadoop常用命令

Posted on Apr 13, 2018 By Jack Sun

  $HADOOP_HOME/bin/hdfs namenode -format

启动NameNode(HDFS用户启动)

  $HADOOP_HOME/bin/hdfs --daemon start namenode

启动SecondaryNameNode(HDFS用户启动)

  $HADOOP_HOME/bin/hdfs --daemon start secondarynamenode

启动DataNode(HDFS用户启动)

  $HADOOP_HOME/bin/hdfs --daemon start datanode

启动resourcemanager(yarn用户启动)

  $HADOOP_HOME/bin/yarn --daemon start resourcemanager

启动nodemanager(yarn用户启动)

  $HADOOP_HOME/bin/yarn --daemon start nodemanager

启动proxyserver

  $HADOOP_HOME/bin/yarn --daemon start proxyserver

启动yarn

  $HADOOP_HOME/sbin/start-yarn.sh

清理HDFS回收箱

  $HADOOP_HOME/bin/hdfs dfs -expunge