This is documentation for MapR Version 5.0. You can also refer to MapR documentation for the latest release.

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The hadoop conf command outputs the configuration information for this node to standard output.

Syntax

hadoop [ generic options ] conf

Examples

Displaying the configured value of a specific parameter

The above command returns 1024 as the configured value of the mapreduce.map.memory.mb parameter.

Dumping a node's configuration to a text file

The above command creates a text file named nodeconfiguration.txt that contains the node's configuration information.

The following information displays when you use the tail utility to examine the last few lines of the file:

 

 

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