org.apache.hadoop.hbase.master

Class AssignmentVerificationReport

java.lang.Object

org.apache.hadoop.hbase.master.AssignmentVerificationReport

@InterfaceAudience.Private
public class AssignmentVerificationReport
extends Object

Helper class that is used by RegionPlacementMaintainer to print information for favored nodes

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.commons.logging.Log	LOG

Constructor Summary

Constructors

Constructor and Description
AssignmentVerificationReport()

Method Summary

Methods

Modifier and Type	Method and Description
void	fillUp(TableName tableName, SnapshotOfRegionAssignmentFromMeta snapshot, Map<String,Map<String,Float>> regionLocalityMap)
void	fillUpDispersion(TableName tableName, SnapshotOfRegionAssignmentFromMeta snapshot, FavoredNodesPlan newPlan) Use this to project the dispersion scores
List<Float>	getDispersionInformation()
void	print(boolean isDetailMode)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final org.apache.commons.logging.Log LOG

Constructor Detail

AssignmentVerificationReport

public AssignmentVerificationReport()

Method Detail

fillUp

public void fillUp(TableName tableName,
          SnapshotOfRegionAssignmentFromMeta snapshot,
          Map<String,Map<String,Float>> regionLocalityMap)

fillUpDispersion

public void fillUpDispersion(TableName tableName,
                    SnapshotOfRegionAssignmentFromMeta snapshot,
                    FavoredNodesPlan newPlan)

Use this to project the dispersion scores

Parameters:

tableName -

snapshot -

newPlan -

getDispersionInformation

public List<Float> getDispersionInformation()

Returns:

list which contains just 3 elements: average dispersion score, max dispersion score and min dispersion score as first, second and third element respectively.

print

public void print(boolean isDetailMode)