1.

How can you restart NameNode and all the daemons in Hadoop?

Answer»

The following commands will help you RESTART NameNode and all the daemons:

You can STOP the NameNode with ./sbin /Hadoop-daemon.sh stop NameNode COMMAND and then start the NameNode USING ./sbin/Hadoop-daemon.sh start NameNode command.You can stop all the daemons with the ./sbin/stop-all.sh command and then start the daemons using the ./sbin/start-all.sh command.



Discussion

No Comment Found