Package org.apache.hadoop.hbase.master.balancer

Class ClusterLoadState

java.lang.Object

org.apache.hadoop.hbase.master.balancer.ClusterLoadState

@Private
public class ClusterLoadState
extends Object

Class used to hold the current state of the cluster and how balanced it is.

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<ServerName,List<RegionInfo>>	clusterState
private boolean	emptyRegionServerPresent
private int	numRegions
private int	numServers
private final NavigableMap<ServerAndLoad,List<RegionInfo>>	serversByLoad

Constructor Summary

Constructors

Constructor	Description
ClusterLoadState(Map<ServerName,List<RegionInfo>> clusterState)

Method Summary

Modifier and Type	Method	Description
(package private) Map<ServerName,List<RegionInfo>>	getClusterState()
(package private) float	getLoadAverage()
(package private) int	getMaxLoad()
(package private) int	getMinLoad()
(package private) int	getNumRegions()
(package private) int	getNumServers()
(package private) NavigableMap<ServerAndLoad,List<RegionInfo>>	getServersByLoad()
(package private) boolean	isEmptyRegionServerPresent()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

clusterState

private final Map<ServerName,List<RegionInfo>> clusterState

serversByLoad

private final NavigableMap<ServerAndLoad,List<RegionInfo>> serversByLoad

emptyRegionServerPresent

private boolean emptyRegionServerPresent

numRegions

private int numRegions

numServers

private int numServers

Constructor Details

ClusterLoadState

public ClusterLoadState(Map<ServerName,List<RegionInfo>> clusterState)

Method Details

getClusterState

Map<ServerName,List<RegionInfo>> getClusterState()

getServersByLoad

NavigableMap<ServerAndLoad,List<RegionInfo>> getServersByLoad()

isEmptyRegionServerPresent

boolean isEmptyRegionServerPresent()

getNumRegions

int getNumRegions()

getNumServers

int getNumServers()

getLoadAverage

float getLoadAverage()

getMaxLoad

int getMaxLoad()

getMinLoad

int getMinLoad()