Managing Data with Volumes
MapR provides volumes as a way to organize data and manage cluster performance. A volume is a logical unit that allows you to apply policies to a set of files, directories, and sub-volumes. A well-structured volume hierarchy is an essential aspect of your cluster's performance. As your cluster grows, keeping your volume hierarchy efficient maximizes data availability. Cluster performance is negatively affected when a volume structure is not in place.
The following sections provide information about how to organize and manage data using volumes, a unique feature of MapR clusters: