Running Hadoop Commands on a Mac and Windows Client
The location from which you run Hadoop commands depends on your machine.
When you run Hadoop commands on the Mac and Windows client, use the Hadoop 3 version to run MapReduce version 2 applications.
To run the.. | Run the command from this location: |
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Hadoop 3 version of the command |
On Windows: On Mac: |
On Linux installations, the installer creates symlinks to the Hadoop directories by default. On Mac, you can create the symlinks. Once the symlinks are created, you can specify the version of the Hadoop command as mentioned in the Hadoop command documentation.
IMPORTANT
For Windows: - The user that runs Hadoop commands from the Hadoop 3 directory cannot have a space or a hyphen (-) in the user name.
- The native Hadoop library is not present on Windows. Therefore, the
hadoop fs -getmerge
command is not available.