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bin/hadoop jar /home/***/secure_hadoop_project.jar package.OldInfoMerge /merges/old.txt /merges/tmp1 & 查看根目录的列表 bin/hadoop fs -lsr / 单节点启动 5)重启namenode sudo -u hdfs /usr/lib/hadoop/bin/hadoop-daemon.sh --config /etc/hadoop/conf/ stop namenode sudo -u hdfs /usr/lib/hadoop/bin/hadoop-daemon.sh --config /etc/hadoop/conf/ start namenode 重启jobtracker，在主节点（jobtracker）执行： sudo -u mapred /usr/lib/hadoop/bin/hadoop-daemon.sh --config /etc/hadoop/conf/ stop jobtracker sudo -u mapred /usr/lib/hadoop/bin/hadoop-daemon.sh --config /etc/hadoop/conf/ start jobtracker 重启动datanode sudo -u hdfs /usr/lib/Hadoop/bin/hadoop-daemon.sh --config /etc/hadoop/conf/ start datanode
删除job bin/hadoop job -kill #jobid (责任编辑：IT) |