.DataNode and attempts to spread data across all volumes evenly.See: Description
.DataNode and attempts to spread data across all volumes evenly.
 This is achieved by :
 1) Calculating the average data that should be on a set of volumes grouped
 by the type. For example, how much data should be on each volume of SSDs on a
 machine.
 2) Once we know the average data that is expected to be on a volume we
 move data from volumes with higher than average load to volumes with
 less than average load.
 3) Disk Balancer operates against data nodes which are live and operational.Copyright © 2023 Apache Software Foundation. All rights reserved.