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MapReduce >> mail # user >> Stopping a single Datanode

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Stopping a single Datanode
Sorry - this seems pretty basic, but I could not find a reference on
line or in my books. Is there a graceful way to stop a single datanode,
(for example to move the system to a new rack where it will be put back
on-line) or do you just whack the process ID and let HDFS clean up the