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Hadoop單獨啟動/停止守護程序命令

分別啟動守護程序:

1.啟動namenode程序:

      $>hadoop-daemons.sh --config ~/soft/hadoop/etc/hadoop_pseudo start namenode

2.啟動datanode程序:

      $>hadoop-daemons.sh --config ~/soft/hadoop/etc/hadoop_pseudo start datanode

3.啟動secondarynamenode程序:

      $>hadoop-daemons.sh --config ~/soft/hadoop/etc/hadoop_pseudo start secondar

ynamenode

分別停止守護程序:

1.啟動namenode程序:

      $>hadoop-daemons.sh --config ~/soft/hadoop/etc/hadoop_pseudo stop namenode

2.啟動datanode程序:

      $>hadoop-daemons.sh --config ~/soft/hadoop/etc/hadoop_pseudo stop datanode

3.啟動secondarynamenode程序:

      $>hadoop-daemons.sh --config ~/soft/hadoop/etc/hadoop_pseudo stop secondarynamenode