org.apache.druid.server.coordinator

Class ReplicationThrottler

java.lang.Object

org.apache.druid.server.coordinator.ReplicationThrottler

public class ReplicationThrottler
extends Object

The ReplicationThrottler is used to throttle the number of replicants that are created.

Constructor Summary

Constructors

Constructor and Description
ReplicationThrottler(int maxReplicants, int maxLifetime, boolean loadPrimaryReplicantsOnly)

Method Summary

Modifier and Type	Method and Description
boolean	canCreateReplicant(String tier)
boolean	isLoadPrimaryReplicantsOnly()
void	registerReplicantCreation(String tier, SegmentId segmentId, String serverId)
void	setLoadPrimaryReplicantsOnly(boolean loadPrimaryReplicantsOnly)
void	unregisterReplicantCreation(String tier, SegmentId segmentId)
void	updateParams(int maxReplicants, int maxLifetime, boolean loadPrimaryReplicantsOnly)
void	updateReplicationState(String tier)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReplicationThrottler

public ReplicationThrottler(int maxReplicants,
                            int maxLifetime,
                            boolean loadPrimaryReplicantsOnly)

Method Detail

updateParams

public void updateParams(int maxReplicants,
                         int maxLifetime,
                         boolean loadPrimaryReplicantsOnly)

updateReplicationState

public void updateReplicationState(String tier)

isLoadPrimaryReplicantsOnly

public boolean isLoadPrimaryReplicantsOnly()

setLoadPrimaryReplicantsOnly

public void setLoadPrimaryReplicantsOnly(boolean loadPrimaryReplicantsOnly)

canCreateReplicant

public boolean canCreateReplicant(String tier)

registerReplicantCreation

public void registerReplicantCreation(String tier,
                                      SegmentId segmentId,
                                      String serverId)

unregisterReplicantCreation

public void unregisterReplicantCreation(String tier,
                                        SegmentId segmentId)