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How to deactive Tasktracker on a node?

Question asked by reihane on Aug 31, 2013
Latest reply on Sep 3, 2013 by reihane
I have a cluster of mapr with 7 nodes. tasktracker in installed on all of my nodes.  i don't want that one of my nodes be datanode and i don't need  tasktracker.I have uninstalled tasktracker and fileserver on that i need to change anything in the cluster? do i need run