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Editorial Team
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Asked: 2026-06-11T08:45:05+00:00

I need to setup a hadoop/hdfs cluster with one namenode and two datanode s.

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I need to setup a hadoop/hdfs cluster with one namenode and two datanodes. I am aware of conf/slaves file which lists the machines datanodes are running. But how can I specify where hadoop/hdfs is locally installed on slave node? Also the user account to start hdfs there?

Edit: in log files, I find following error, when I tried to start-dfs.sh

ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: java.lang.IllegalArgumentException: Does not contain a valid host:port authority: file:///

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1 Answer

  1. Editorial Team

    The user is expected to be the same as on the master node. The location of the actual data can be modified by changing the dfs.data.dir node inhadoop-site.xml.

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