Add dump/load to the HBase shell
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                 Key: HBASE-3960
                 URL: https://issues.apache.org/jira/browse/HBASE-3960
             Project: HBase
          Issue Type: New Feature
          Components: shell
            Reporter: Joey Echeverria
            Priority: Minor


>From the mailing list:

That would be a real nice feature though, imagine going to the shell,
and requesting a dump of your table.

> load into outfile/hdfs '/tmp/table_a' from table_a

Or something similar.

> load from outfile/hdfs -- could power bulk uploader

Further discussion suggested that for large tables, the commands should launch 
a MR job (assuming a JobTracker is available).

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