This guide outlines a minimal HDFS deployment for a small cluster.
Install Hadoop packages or download the official Apache Hadoop binaries.
Set core-site.xml and hdfs-site.xml for NameNode and DataNode settings.
Format the NameNode to initialize the filesystem metadata.
Start the NameNode and DataNode services on the respective nodes.
Use the HDFS CLI to list the root directory and verify the cluster.
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