StochasticLoadBalancer.MoveCostFunction (Apache HBase 1.2.12 API)

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java.lang.Object
- org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.CostFunction
- - org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.MoveCostFunction

Enclosing class:

StochasticLoadBalancer
```
static class StochasticLoadBalancer.MoveCostFunction
extends StochasticLoadBalancer.CostFunction
```
Given the starting state of the regions and a potential ending state compute cost based upon the number of regions that have moved.

Field Summary

Fields
Modifier and Type	Field and Description
`private static float`	`DEFAULT_MAX_MOVE_PERCENT`
`private static int`	`DEFAULT_MAX_MOVES`
`private static float`	`DEFAULT_MOVE_COST`
`private static String`	`MAX_MOVES_PERCENT_KEY`
`private float`	`maxMovesPercent`
`private static String`	`MOVE_COST_KEY`

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

Constructor Summary

Constructors
Constructor and Description

StochasticLoadBalancer.MoveCostFunction(org.apache.hadoop.conf.Configuration conf)

Method Summary

Methods
Modifier and Type Method and Description

(package private) double cost()
- Methods inherited from class org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.CostFunction
  costFromArray, getMultiplier, init, postAction, regionMoved, scale, setMultiplier
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - MOVE_COST_KEY
```
private static final String MOVE_COST_KEY
```
    See Also:
    Constant Field Values
  - MAX_MOVES_PERCENT_KEY
```
private static final String MAX_MOVES_PERCENT_KEY
```
    See Also:
    Constant Field Values
  - DEFAULT_MOVE_COST
```
private static final float DEFAULT_MOVE_COST
```
    See Also:
    Constant Field Values
  - DEFAULT_MAX_MOVES
```
private static final int DEFAULT_MAX_MOVES
```
    See Also:
    Constant Field Values
  - DEFAULT_MAX_MOVE_PERCENT
```
private static final float DEFAULT_MAX_MOVE_PERCENT
```
    See Also:
    Constant Field Values
  - maxMovesPercent
```
private final float maxMovesPercent
```
- Constructor Detail
  - StochasticLoadBalancer.MoveCostFunction
```
StochasticLoadBalancer.MoveCostFunction(org.apache.hadoop.conf.Configuration conf)
```
- Method Detail
  - cost
```
double cost()
```
    Specified by:
    
    cost in class StochasticLoadBalancer.CostFunction

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