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By dotCore
via blogs.msdn.com
Published: Aug 31 2013 / 07:59

To manually load a file to Hadoop, the file should first be loaded to the name node server.  With the file now on the name server, one of either of two commands can be used at the Hadoop command prompt to load the file into the Hadoop file system. While this is not ideal for most data loading needs, this technique is fine for development exercises and other one-off situations when the data file is sufficiently small to fit on the name node.
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