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

Class FavoredStochasticBalancer.FavoredNodeLocalityPicker

java.lang.Object

org.apache.hadoop.hbase.master.balancer.CandidateGenerator

org.apache.hadoop.hbase.master.balancer.FavoredStochasticBalancer.FavoredNodeLocalityPicker

Enclosing class:

FavoredStochasticBalancer

private class FavoredStochasticBalancer.FavoredNodeLocalityPicker
extends CandidateGenerator

Pick favored nodes with the highest locality for a region with lowest locality.

Field Summary

Fields inherited from class org.apache.hadoop.hbase.master.balancer.CandidateGenerator

MAX_WEIGHT

Constructor Summary

Constructors

Modifier	Constructor	Description
private	FavoredNodeLocalityPicker()

Method Summary

Modifier and Type	Method	Description
protected BalanceAction	generate(BalancerClusterState cluster)
private int	getDifferentFavoredNode(BalancerClusterState cluster, List<ServerName> favoredNodes, int currentServer)
private int	pickLowestLocalRegionOnServer(BalancerClusterState cluster, int server)

Methods inherited from class org.apache.hadoop.hbase.master.balancer.CandidateGenerator

getAction, pickOtherRandomRack, pickOtherRandomServer, pickRandomRack, pickRandomRegion, pickRandomRegions, pickRandomServer

Methods inherited from class java.lang.Object

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

Constructor Details

FavoredNodeLocalityPicker

private FavoredNodeLocalityPicker()

Method Details

generate

protected BalanceAction generate(BalancerClusterState cluster)

Specified by:

generate in class CandidateGenerator

getDifferentFavoredNode

private int getDifferentFavoredNode(BalancerClusterState cluster,
 List<ServerName> favoredNodes,
 int currentServer)

pickLowestLocalRegionOnServer

private int pickLowestLocalRegionOnServer(BalancerClusterState cluster,
 int server)