How to format a Hadoop Master Node

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Hi Guys,

I am new in Hadoop technology. I have configured the hadoop namenode. But how to format the namenode?

Sep 21, 2020 in Big Data Hadoop by akhtar
• 38,230 points
194 views

1 answer to this question.

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Hi@akhtar,

To start the Hadoop NameNode, you need to format the node first. Otherwise, the NameNode service will not start. You can use the below command to format your NameNode.

$ hadoop namenode -format
answered Sep 21, 2020 by MD
• 95,360 points

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