org.apache.hadoop.hbase.master.balancer

Class StochasticLoadBalancer.CostFromRegionLoadFunction

java.lang.Object

org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.CostFunction

org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.CostFromRegionLoadFunction

Direct Known Subclasses:

StochasticLoadBalancer.MemstoreSizeCostFunction, StochasticLoadBalancer.ReadRequestCostFunction, StochasticLoadBalancer.StoreFileCostFunction, StochasticLoadBalancer.WriteRequestCostFunction

Enclosing class:

StochasticLoadBalancer

public abstract static class StochasticLoadBalancer.CostFromRegionLoadFunction
extends StochasticLoadBalancer.CostFunction

Base class the allows writing costs functions from rolling average of some number from RegionLoad.

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract double	getCostFromRl(RegionLoad rl)
protected double	getRegionLoadCost(Collection<RegionLoad> regionLoadList)

Methods inherited from class org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.CostFunction

costFromArray, scale

Methods inherited from class java.lang.Object

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

Method Detail

getRegionLoadCost

protected double getRegionLoadCost(Collection<RegionLoad> regionLoadList)

getCostFromRl

protected abstract double getCostFromRl(RegionLoad rl)