you can just kill the process id or there is a command inside bin directory hadoop-daemon.sh
use it with stop datanode and it should stop it On Fri, Aug 17, 2012 at 12:41 AM, Terry Healy <[email protected]> wrote: > 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 > mess? > > Thanks > -- Nitin Pawar
