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This chapter is from the book


Here’s what you learned in this chapter:

  • The hdfs dfs command is your ally in performing day-to-day work with HDFS files and directories

  • The hdfs dfsadmin command is highly useful for checking the status of the DataNodes and the way HDFS data is spread across the DataNodes

  • By granting space and file quotas, you can control HDFS usage.

  • RThe hdfs du and hdfs df commands are handy for finding out how your cluster is using its storage

  • Balancing your cluster’s data on a regular basis provides computational benefits by evenly spreading HDFS data across all the nodes of your Hadoop cluster.

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