FavoredStochasticBalancer.FavoredNodeLocalityPicker (Apache HBase 4.0.0-alpha-1-SNAPSHOT API)

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.

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)