How to start namenode and datanode individually?

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I know that  ./start-all.sh will start all the daemons. But what if I want to start only namenode or only datanode individually? What command should I use for that?

Dec 21, 2018 in Big Data Hadoop by digger
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You can use these commands.

For namenode:

./hadoop-daemon.sh start namenode

For datanode:

./hadoop-daemon.sh start datanode
answered Dec 21, 2018 by Omkar
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