@InterfaceAudience.Private class ServerLocalityCostFunction extends LocalityBasedCostFunction
Modifier and Type | Field and Description |
---|---|
private static float |
DEFAULT_LOCALITY_COST |
private static String |
LOCALITY_COST_KEY |
cluster, COST_EPSILON
Constructor and Description |
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ServerLocalityCostFunction(org.apache.hadoop.conf.Configuration conf) |
Modifier and Type | Method and Description |
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(package private) int |
regionIndexToEntityIndex(int region)
Maps region to the current entity (server or rack) on which it is stored
|
cost, prepare, regionMoved, updateWeight
getMultiplier, isNeeded, postAction, scale, setMultiplier
private static final String LOCALITY_COST_KEY
private static final float DEFAULT_LOCALITY_COST
ServerLocalityCostFunction(org.apache.hadoop.conf.Configuration conf)
int regionIndexToEntityIndex(int region)
LocalityBasedCostFunction
regionIndexToEntityIndex
in class LocalityBasedCostFunction
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