10-01-2018 01:35 PM - last edited on 10-05-2018 09:13 AM by cjervis
I plan to expand my HDFS cluster by adding new volumes to existing datanodes.
1. Do i need to stop the data node before making any change to dfs.data.dir, dfs.datanode.data.dir ?
Can i make the change in CM and do rolling restart ?