AssignmentVerificationReport (Apache HBase 1.2.12 API)

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
`private float`	`actualLocalitySummary`
`private float`	`avgDispersionNum`
`private float`	`avgDispersionScore`
`private float`	`avgRegionsOnRS`
`private boolean`	`enforceLocality`
`private int[]`	`favoredNodes`
`private float[]`	`favoredNodesLocalitySummary`
`private boolean`	`isFilledUp`
`private Set<ServerName>`	`leastLoadedRSSet`
`private static org.apache.commons.logging.Log`	`LOG`
`private float`	`maxDispersionNum`
`private Set<ServerName>`	`maxDispersionNumServerSet`
`private float`	`maxDispersionScore`
`private Set<ServerName>`	`maxDispersionScoreServerSet`
`private int`	`maxRegionsOnRS`
`private float`	`minDispersionNum`
`private Set<ServerName>`	`minDispersionNumServerSet`
`private float`	`minDispersionScore`
`private Set<ServerName>`	`minDispersionScoreServerSet`
`private int`	`minRegionsOnRS`
`private Set<ServerName>`	`mostLoadedRSSet`
`private List<HRegionInfo>`	`nonFavoredAssignedRegionList`
`private List<HRegionInfo>`	`regionsWithoutValidFavoredNodes`
`private TableName`	`tableName`
`private int`	`totalFavoredAssignments`
`private int`	`totalRegions`
`private int`	`totalRegionServers`
`private List<HRegionInfo>`	`unAssignedRegionsList`

Constructor Summary

Constructors
Constructor and Description

AssignmentVerificationReport()

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()`
`(package private) List<HRegionInfo>`	`getNonFavoredAssignedRegions()` Return the regions not assigned to its favored nodes
`(package private) int`	`getNumRegionsOnFavoredNodeByPosition(FavoredNodesPlan.Position position)` Return the number of regions based on the position (primary/secondary/ tertiary) assigned to their favored nodes
`(package private) List<HRegionInfo>`	`getRegionsWithoutValidFavoredNodes()` Return the regions without favored nodes
`(package private) int`	`getTotalFavoredAssignments()` Return the number of regions assigned to their favored nodes
`(package private) List<HRegionInfo>`	`getUnassignedRegions()` Return the unassigned regions
`void`	`print(boolean isDetailMode)`
`private void`	`printHServerAddressSet(Set<ServerName> serverSet)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

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

tableName
```
private TableName tableName
```

enforceLocality
```
private boolean enforceLocality
```

isFilledUp
```
private boolean isFilledUp
```

totalRegions
```
private int totalRegions
```

totalRegionServers
```
private int totalRegionServers
```

unAssignedRegionsList

private List<HRegionInfo> unAssignedRegionsList

regionsWithoutValidFavoredNodes

private List<HRegionInfo> regionsWithoutValidFavoredNodes

nonFavoredAssignedRegionList

private List<HRegionInfo> nonFavoredAssignedRegionList

totalFavoredAssignments
```
private int totalFavoredAssignments
```

favoredNodes
```
private int[] favoredNodes
```

favoredNodesLocalitySummary

private float[] favoredNodesLocalitySummary

actualLocalitySummary
```
private float actualLocalitySummary
```

avgRegionsOnRS
```
private float avgRegionsOnRS
```

maxRegionsOnRS
```
private int maxRegionsOnRS
```

minRegionsOnRS
```
private int minRegionsOnRS
```

mostLoadedRSSet

private Set<ServerName> mostLoadedRSSet

leastLoadedRSSet

private Set<ServerName> leastLoadedRSSet

avgDispersionScore
```
private float avgDispersionScore
```

maxDispersionScore
```
private float maxDispersionScore
```

maxDispersionScoreServerSet

private Set<ServerName> maxDispersionScoreServerSet

minDispersionScore
```
private float minDispersionScore
```

minDispersionScoreServerSet

private Set<ServerName> minDispersionScoreServerSet

avgDispersionNum
```
private float avgDispersionNum
```

maxDispersionNum
```
private float maxDispersionNum
```

maxDispersionNumServerSet

private Set<ServerName> maxDispersionNumServerSet

minDispersionNum
```
private float minDispersionNum
```

minDispersionNumServerSet

private Set<ServerName> minDispersionNumServerSet

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)
```
- getUnassignedRegions
```
List<HRegionInfo> getUnassignedRegions()
```
  Return the unassigned regions
  
  Returns:
  unassigned regions
- getRegionsWithoutValidFavoredNodes
```
List<HRegionInfo> getRegionsWithoutValidFavoredNodes()
```
  Return the regions without favored nodes
  
  Returns:
  regions without favored nodes
- getNonFavoredAssignedRegions
```
List<HRegionInfo> getNonFavoredAssignedRegions()
```
  Return the regions not assigned to its favored nodes
  
  Returns:
  regions not assigned to its favored nodes
- getTotalFavoredAssignments
```
int getTotalFavoredAssignments()
```
  Return the number of regions assigned to their favored nodes
  
  Returns:
  number of regions assigned to their favored nodes
- getNumRegionsOnFavoredNodeByPosition
```
int getNumRegionsOnFavoredNodeByPosition(FavoredNodesPlan.Position position)
```
  Return the number of regions based on the position (primary/secondary/ tertiary) assigned to their favored nodes
  
  Parameters:
  position -
  
  Returns:
  the number of regions
- printHServerAddressSet
```
private void printHServerAddressSet(Set<ServerName> serverSet)
```

Class AssignmentVerificationReport

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

LOG

tableName

enforceLocality

isFilledUp

totalRegions

totalRegionServers

unAssignedRegionsList

regionsWithoutValidFavoredNodes

nonFavoredAssignedRegionList

totalFavoredAssignments

favoredNodes

favoredNodesLocalitySummary

actualLocalitySummary

avgRegionsOnRS

maxRegionsOnRS

minRegionsOnRS

mostLoadedRSSet

leastLoadedRSSet

avgDispersionScore

maxDispersionScore

maxDispersionScoreServerSet

minDispersionScore

minDispersionScoreServerSet

avgDispersionNum

maxDispersionNum

maxDispersionNumServerSet

minDispersionNum

minDispersionNumServerSet

Constructor Detail

AssignmentVerificationReport

Method Detail

fillUp

fillUpDispersion

getDispersionInformation

print

getUnassignedRegions

getRegionsWithoutValidFavoredNodes

getNonFavoredAssignedRegions

getTotalFavoredAssignments

getNumRegionsOnFavoredNodeByPosition

printHServerAddressSet