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How would you check whether your NameNode is working or not?

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How would you check whether your NameNode is working or not?

There are several ways to check the status of the NameNode. Mostly, one uses the jps command to check the status of all daemons running in the HDFS.

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To check whether Namenode is working or not, use the command /etc/init.d/hadoop- 0.20-namenode status or as simple as jps’.

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