I've checked all of the documentation, books and google searches I can
I have a working topology script. I have dynamic IP's. I have an
automated process to update the rack data when a datanode changes IP.
What I don't have is any clue as to when the NN reads this script. If I
execute it right now with 10.10.10.10 it'll return /dc1/rack3 When I run
hadoop balancer I see /default/rack/10.10.10.10:50010
I really don't want to have to restart the NN for IP changes to be noticed.
Any brilliant insights?