程序包 org.apache.iotdb.confignode.manager.load.balancer.region

类 CopySetRegionGroupAllocator

java.lang.Object

org.apache.iotdb.confignode.manager.load.balancer.region.CopySetRegionGroupAllocator

所有已实现的接口:

IRegionGroupAllocator

public class CopySetRegionGroupAllocator
extends java.lang.Object
implements IRegionGroupAllocator

Allocate Region by CopySet algorithm. Reference: ...

构造器概要

构造器

构造器	说明
CopySetRegionGroupAllocator()

方法概要

修饰符和类型	方法	说明
org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet	generateOptimalRegionReplicasDistribution(java.util.Map<java.lang.Integer,org.apache.iotdb.common.rpc.thrift.TDataNodeConfiguration> availableDataNodeMap, java.util.Map<java.lang.Integer,java.lang.Long> freeDiskSpaceMap, java.util.List<org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet> allocatedRegionGroups, int replicationFactor, org.apache.iotdb.common.rpc.thrift.TConsensusGroupId consensusGroupId)	Generate an optimal RegionReplicas' distribution for a new RegionGroup

从类继承的方法 java.lang.Object

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

构造器详细资料

CopySetRegionGroupAllocator

public CopySetRegionGroupAllocator()

方法详细资料

generateOptimalRegionReplicasDistribution

public org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet generateOptimalRegionReplicasDistribution(java.util.Map<java.lang.Integer,org.apache.iotdb.common.rpc.thrift.TDataNodeConfiguration> availableDataNodeMap,
                                                                                                      java.util.Map<java.lang.Integer,java.lang.Long> freeDiskSpaceMap,
                                                                                                      java.util.List<org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet> allocatedRegionGroups,
                                                                                                      int replicationFactor,
                                                                                                      org.apache.iotdb.common.rpc.thrift.TConsensusGroupId consensusGroupId)

从接口复制的说明: IRegionGroupAllocator

Generate an optimal RegionReplicas' distribution for a new RegionGroup

指定者:

generateOptimalRegionReplicasDistribution 在接口中 IRegionGroupAllocator

参数:

availableDataNodeMap - DataNodes that can be used for allocation

freeDiskSpaceMap - The free disk space of the DataNodes

allocatedRegionGroups - Allocated RegionGroups

replicationFactor - Replication factor of TRegionReplicaSet

consensusGroupId - TConsensusGroupId of result TRegionReplicaSet

返回:

The optimal TRegionReplicaSet derived by the specified algorithm