HDFS - Exercise

  • List all the files and directories under /user/ubuntu in HDFS
  • Create a directory with name hdfsdemo in HDFS
  • Copy the file u.data.copy from /home/ubuntu (local file system) to hdfsdemo directory in HDFS
  • Create a directory with name hdfsdemo2 in HDFS
  • Copy the file u.data.copy from hdfsdemo to hdfsdemo2 directory in HDFS
  • Check what is the replication factor of u.data.copy under hdfsdemo in HDFS?
  • Set the replication factor of u.data.copy under hdfsdemo directory in HDFS to 2
  • Bring the file u.data.copy under hdfsdemo directory in HDFS to the local file system
  • Check the health of hdfsdemo directory in HDFS
  • Recursively delete hdfsdemo and hdfsdemo2 directories in HDFS

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