"dfs.datanode.du.reserved" can limit the size of space per volume that can be used by a data node. I have 2 related questions.
1. How "volume" is defined here?
Say I have 2 folders listed for "dfs.data.dir" and each resides on a different
disk. By setting "dfs.datanode.du.reserved" to N, does it mean 2N bytes
reserved for non-dfs use, with N bytes on each disk?
2. Is it possible that we can reserve different size of space to non-dfs use on
different disks?
Thanks,
Michael
