Package org.apache.druid.server.coordinator

Class CoordinatorDynamicConfig

java.lang.Object

org.apache.druid.server.coordinator.CoordinatorDynamicConfig

public class CoordinatorDynamicConfig
extends Object

This class is for users to change their configurations while their Druid cluster is running. These configurations are designed to allow only simple values rather than complicated JSON objects.

See Also:

JacksonConfigManager, ConfigManager

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CoordinatorDynamicConfig.Builder

Field Summary

Fields

Modifier and Type	Field	Description
static String	CONFIG_KEY

Constructor Summary

Constructors

Constructor

Description

CoordinatorDynamicConfig(long markSegmentAsUnusedDelayMillis, long mergeBytesLimit, int mergeSegmentsLimit, int maxSegmentsToMove, int replicantLifetime, int replicationThrottleLimit, int balancerComputeThreads, Object specificDataSourcesToKillUnusedSegmentsIn, Double killTaskSlotRatio, Integer maxKillTaskSlots, Object dataSourcesToNotKillStalePendingSegmentsIn, Integer maxSegmentsInNodeLoadingQueue, Object decommissioningNodes, boolean pauseCoordination, boolean replicateAfterLoadTimeout, Boolean useRoundRobinSegmentAssignment, Boolean smartSegmentLoading, Map<String,String> debugDimensions)

Method Summary

Modifier and Type	Method	Description
static CoordinatorDynamicConfig.Builder	builder()
boolean	equals(Object o)
int	getBalancerComputeThreads()
Set<String>	getDataSourcesToNotKillStalePendingSegmentsIn()
Map<String,String>	getDebugDimensions()
Set<String>	getDecommissioningNodes()	List of historical servers to 'decommission'.
static int	getDefaultBalancerComputeThreads()	Returns a value of (num processors / 2) to ensure that balancing computations do not hog all Coordinator resources.
double	getKillTaskSlotRatio()
long	getMarkSegmentAsUnusedDelayMillis()
int	getMaxKillTaskSlots()
int	getMaxSegmentsInNodeLoadingQueue()
int	getMaxSegmentsToMove()
long	getMergeBytesLimit()
int	getMergeSegmentsLimit()
boolean	getPauseCoordination()
int	getReplicantLifetime()
boolean	getReplicateAfterLoadTimeout()
int	getReplicationThrottleLimit()
Set<String>	getSpecificDataSourcesToKillUnusedSegmentsIn()
Map<Dimension,String>	getValidatedDebugDimensions()
int	hashCode()
boolean	isKillUnusedSegmentsInAllDataSources()
boolean	isSmartSegmentLoading()
boolean	isUseRoundRobinSegmentAssignment()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

CONFIG_KEY

public static final String CONFIG_KEY

See Also:

Constant Field Values

Constructor Detail

CoordinatorDynamicConfig

public CoordinatorDynamicConfig(long markSegmentAsUnusedDelayMillis,
                                long mergeBytesLimit,
                                int mergeSegmentsLimit,
                                int maxSegmentsToMove,
                                int replicantLifetime,
                                int replicationThrottleLimit,
                                int balancerComputeThreads,
                                Object specificDataSourcesToKillUnusedSegmentsIn,
                                @Nullable
                                Double killTaskSlotRatio,
                                @Nullable
                                Integer maxKillTaskSlots,
                                Object dataSourcesToNotKillStalePendingSegmentsIn,
                                @Nullable
                                Integer maxSegmentsInNodeLoadingQueue,
                                Object decommissioningNodes,
                                boolean pauseCoordination,
                                boolean replicateAfterLoadTimeout,
                                @Nullable
                                Boolean useRoundRobinSegmentAssignment,
                                @Nullable
                                Boolean smartSegmentLoading,
                                @Nullable
                                Map<String,String> debugDimensions)

Method Detail

getMarkSegmentAsUnusedDelayMillis

public long getMarkSegmentAsUnusedDelayMillis()

getMergeBytesLimit

public long getMergeBytesLimit()

getMergeSegmentsLimit

public int getMergeSegmentsLimit()

getMaxSegmentsToMove

public int getMaxSegmentsToMove()

getReplicantLifetime

public int getReplicantLifetime()

getReplicationThrottleLimit

public int getReplicationThrottleLimit()

getBalancerComputeThreads

public int getBalancerComputeThreads()

getSpecificDataSourcesToKillUnusedSegmentsIn

public Set<String> getSpecificDataSourcesToKillUnusedSegmentsIn()

getKillTaskSlotRatio

public double getKillTaskSlotRatio()

getMaxKillTaskSlots

public int getMaxKillTaskSlots()

isKillUnusedSegmentsInAllDataSources

public boolean isKillUnusedSegmentsInAllDataSources()

getDataSourcesToNotKillStalePendingSegmentsIn

public Set<String> getDataSourcesToNotKillStalePendingSegmentsIn()

getMaxSegmentsInNodeLoadingQueue

public int getMaxSegmentsInNodeLoadingQueue()

isUseRoundRobinSegmentAssignment

public boolean isUseRoundRobinSegmentAssignment()

isSmartSegmentLoading

public boolean isSmartSegmentLoading()

getDecommissioningNodes

public Set<String> getDecommissioningNodes()

List of historical servers to 'decommission'. Coordinator will not assign new segments to 'decommissioning' servers, and segments will be moved away from them to be placed on non-decommissioning servers.

Returns:

list of host:port entries

getDebugDimensions

public Map<String,String> getDebugDimensions()

getValidatedDebugDimensions

public Map<Dimension,String> getValidatedDebugDimensions()

getPauseCoordination

public boolean getPauseCoordination()

getReplicateAfterLoadTimeout

public boolean getReplicateAfterLoadTimeout()

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

builder

public static CoordinatorDynamicConfig.Builder builder()

getDefaultBalancerComputeThreads

public static int getDefaultBalancerComputeThreads()

Returns a value of (num processors / 2) to ensure that balancing computations do not hog all Coordinator resources.