| Package | Description | 
|---|---|
| org.apache.hadoop.hbase.master | |
| org.apache.hadoop.hbase.master.balancer | 
| Class and Description | 
|---|
| FavoredNodesPlan This class contains the mapping information between each region and
 its favored region server list. | 
| Class and Description | 
|---|
| BaseLoadBalancer The base class for load balancers. | 
| BaseLoadBalancer.Cluster An efficient array based implementation similar to ClusterState for keeping
 the status of the cluster in terms of region assignment and distribution. | 
| BaseLoadBalancer.Cluster.Action An action to move or swap a region | 
| BaseLoadBalancer.Cluster.Action.Type | 
| FavoredNodesPlan.Position | 
| MetricsBalancer Faced for exposing metrics about the balancer. | 
| MetricsBalancerSource | 
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