Hadoop Commands

  • hadoop archive
    The hadoop archive command creates a Hadoop archive, a file that contains other files. A Hadoop archive always has a *.har extension.
  • hadoop classpath
    The hadoop classpath command prints the class path needed to access the Hadoop jar and the required libraries.
  • hadoop daemonlog
    The hadoop daemonlog command gets and sets the log level for each daemon.
  • hadoop distcp
    The hadoop distcp command is a tool used for large inter- and intra-cluster copying.
  • hadoop fs
    The hadoop fs command runs a generic file system user client that interacts with the MapR file system.
  • hadoop jar
    The hadoop jar command runs a program contained in a JAR file. Users can bundle their MapReduce code in a JAR file and execute it using this command.
  • hadoop job
    The hadoop job command enables you to manage MapReduce jobs.
  • hadoop mfs
    The hadoop mfs command displays directory information and contents, creates symbolic links and hard links, sets, gets, and removes Access Control Expressions (ACE) on files and directories, and sets compression and chunk size on a directory.
  • hadoop mradmin
    The hadoop mradmin command runs Map-Reduce administrative commands.
  • hadoop pipes
    The hadoop pipes command runs a pipes job.
  • hadoop queue
    The hadoop queue command displays job queue information.
  • hadoop version
    The hadoop version command prints the hadoop software version.
  • hadoop conf
    The hadoop conf command outputs the configuration information for this node to standard output.

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