refreshing nodes in hadoop cluster

dfsadmin – HDFS Administration Command

The Syntax for Hadoop commands is $ hadoop [–config confdir]  [Command]  [Generic_Options]  [Command_Options] here –config parameter is used for overwriting the default configuration directory. Commands can be either user commands or administrator commands. Below are the details of the useful administrator command dfsadmin. dfsadmin: dfsadmin (distributed file system administration) command is used for file system administration activities like getting file system report, enter/leave safemode, refreshing nodes in the cluster and […]

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I am a plsql developer. Intrested to move into bigdata.

Neetika Singh ITA