org.apache.druid.server.coordinator

Class ServerHolder

java.lang.Object

org.apache.druid.server.coordinator.ServerHolder

All Implemented Interfaces:

Comparable<ServerHolder>

public class ServerHolder
extends Object
implements Comparable<ServerHolder>

Constructor Summary

Constructors

Constructor and Description
ServerHolder(ImmutableDruidServer server, LoadQueuePeon peon)
ServerHolder(ImmutableDruidServer server, LoadQueuePeon peon, boolean isDecommissioning)

Method Summary

Modifier and Type	Method and Description
int	compareTo(ServerHolder serverHolder)
boolean	equals(Object o)
long	getAvailableSize()
long	getCurrServerSize()
long	getLoadQueueSize()
long	getMaxSize()
int	getNumberOfSegmentsInQueue()
LoadQueuePeon	getPeon()
double	getPercentUsed()
ImmutableDruidServer	getServer()
long	getSizeUsed()
int	hashCode()
boolean	isDecommissioning() Historical nodes can be 'decommissioned', which instructs Coordinator to move segments from them according to the percent of move operations diverted from normal balancer moves for this purpose by CoordinatorDynamicConfig.getDecommissioningMaxPercentOfMaxSegmentsToMove().
boolean	isDroppingSegment(DataSegment segment)
boolean	isLoadingSegment(DataSegment segment)
boolean	isServingSegment(DataSegment segment)
boolean	isServingSegment(SegmentId segmentId)

Methods inherited from class java.lang.Object

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

Constructor Detail

ServerHolder

public ServerHolder(ImmutableDruidServer server,
                    LoadQueuePeon peon)

ServerHolder

public ServerHolder(ImmutableDruidServer server,
                    LoadQueuePeon peon,
                    boolean isDecommissioning)

Method Detail

getServer

public ImmutableDruidServer getServer()

getPeon

public LoadQueuePeon getPeon()

getMaxSize

public long getMaxSize()

getCurrServerSize

public long getCurrServerSize()

getLoadQueueSize

public long getLoadQueueSize()

getSizeUsed

public long getSizeUsed()

getPercentUsed

public double getPercentUsed()

isDecommissioning

public boolean isDecommissioning()

Historical nodes can be 'decommissioned', which instructs Coordinator to move segments from them according to the percent of move operations diverted from normal balancer moves for this purpose by CoordinatorDynamicConfig.getDecommissioningMaxPercentOfMaxSegmentsToMove(). The mechanism allows draining segments from nodes which are planned for replacement.

Returns:

true if the node is decommissioning

getAvailableSize

public long getAvailableSize()

isServingSegment

public boolean isServingSegment(DataSegment segment)

isLoadingSegment

public boolean isLoadingSegment(DataSegment segment)

isDroppingSegment

public boolean isDroppingSegment(DataSegment segment)

getNumberOfSegmentsInQueue

public int getNumberOfSegmentsInQueue()

isServingSegment

public boolean isServingSegment(SegmentId segmentId)

compareTo

public int compareTo(ServerHolder serverHolder)

Specified by:

compareTo in interface Comparable<ServerHolder>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object