com.github.ambry.cloud

Class VcrReplicationManager

java.lang.Object

com.github.ambry.replication.ReplicationEngine

com.github.ambry.cloud.VcrReplicationManager

All Implemented Interfaces:

com.github.ambry.replication.ReplicationAPI

public class VcrReplicationManager
extends com.github.ambry.replication.ReplicationEngine

VcrReplicationManager is used to backup partitions to Cloud. Partitions assignment is handled by Helix.

Field Summary

Fields inherited from class com.github.ambry.replication.ReplicationEngine

clusterMap, dataNodeId, dataNodeIdToReplicaThread, leaderBasedReplicationAdmin, logger, metricRegistry, mountPathToPartitionInfos, nextReplicaThreadIndexByDc, partitionToPartitionInfo, persistor, replicaSyncUpManager, replicaThreadPoolByDc, Replication_Delay_Multiplier, replicationConfig, replicationMetrics, replicaTokenFileName, rwLock, scheduler, storeKeyConverterFactory, storeManager, tokenHelper

Constructor Summary

Constructors

Constructor and Description

VcrReplicationManager(com.github.ambry.config.CloudConfig cloudConfig, com.github.ambry.config.ReplicationConfig replicationConfig, com.github.ambry.config.ClusterMapConfig clusterMapConfig, com.github.ambry.config.StoreConfig storeConfig, com.github.ambry.server.StoreManager storeManager, com.github.ambry.store.StoreKeyFactory storeKeyFactory, com.github.ambry.clustermap.ClusterMap clusterMap, com.github.ambry.clustermap.VirtualReplicatorCluster virtualReplicatorCluster, CloudDestination cloudDestination, java.util.concurrent.ScheduledExecutorService scheduler, com.github.ambry.network.ConnectionPool connectionPool, VcrMetrics vcrMetrics, com.github.ambry.notification.NotificationSystem requestNotification, com.github.ambry.store.StoreKeyConverterFactory storeKeyConverterFactory, java.lang.String transformerClassName)

Method Summary

Modifier and Type	Method and Description
long	getRemoteReplicaLagFromLocalInBytes(com.github.ambry.clustermap.PartitionId partitionId, java.lang.String hostName, java.lang.String replicaPath)
VcrMetrics	getVcrMetrics()
void	shutdown()
void	start()
void	updateTotalBytesReadByRemoteReplica(com.github.ambry.clustermap.PartitionId partitionId, java.lang.String hostName, java.lang.String replicaPath, long totalBytesRead)

Methods inherited from class com.github.ambry.replication.ReplicationEngine

addRemoteReplicaInfoToReplicaThread, controlReplicationForPartitions, getRemoteReplicaInfo, isTokenForRemoteReplicaInfo, reloadReplicationTokenIfExists, removeRemoteReplicaInfoFromReplicaThread, retrieveReplicaTokensAndPersistIfNecessary, stopPartitionReplication

Methods inherited from class java.lang.Object

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

Constructor Detail

VcrReplicationManager

public VcrReplicationManager(com.github.ambry.config.CloudConfig cloudConfig,
                             com.github.ambry.config.ReplicationConfig replicationConfig,
                             com.github.ambry.config.ClusterMapConfig clusterMapConfig,
                             com.github.ambry.config.StoreConfig storeConfig,
                             com.github.ambry.server.StoreManager storeManager,
                             com.github.ambry.store.StoreKeyFactory storeKeyFactory,
                             com.github.ambry.clustermap.ClusterMap clusterMap,
                             com.github.ambry.clustermap.VirtualReplicatorCluster virtualReplicatorCluster,
                             CloudDestination cloudDestination,
                             java.util.concurrent.ScheduledExecutorService scheduler,
                             com.github.ambry.network.ConnectionPool connectionPool,
                             VcrMetrics vcrMetrics,
                             com.github.ambry.notification.NotificationSystem requestNotification,
                             com.github.ambry.store.StoreKeyConverterFactory storeKeyConverterFactory,
                             java.lang.String transformerClassName)
                      throws com.github.ambry.replication.ReplicationException,
                             java.lang.IllegalStateException

Throws:

com.github.ambry.replication.ReplicationException

java.lang.IllegalStateException

Method Detail

start

public void start()
           throws com.github.ambry.replication.ReplicationException

Specified by:

start in class com.github.ambry.replication.ReplicationEngine

Throws:

com.github.ambry.replication.ReplicationException

shutdown

public void shutdown()
              throws com.github.ambry.replication.ReplicationException

Overrides:

shutdown in class com.github.ambry.replication.ReplicationEngine

Throws:

com.github.ambry.replication.ReplicationException

getVcrMetrics

public VcrMetrics getVcrMetrics()

updateTotalBytesReadByRemoteReplica

public void updateTotalBytesReadByRemoteReplica(com.github.ambry.clustermap.PartitionId partitionId,
                                                java.lang.String hostName,
                                                java.lang.String replicaPath,
                                                long totalBytesRead)

Specified by:

updateTotalBytesReadByRemoteReplica in interface com.github.ambry.replication.ReplicationAPI

Overrides:

updateTotalBytesReadByRemoteReplica in class com.github.ambry.replication.ReplicationEngine

getRemoteReplicaLagFromLocalInBytes

public long getRemoteReplicaLagFromLocalInBytes(com.github.ambry.clustermap.PartitionId partitionId,
                                                java.lang.String hostName,
                                                java.lang.String replicaPath)

Specified by:

getRemoteReplicaLagFromLocalInBytes in interface com.github.ambry.replication.ReplicationAPI

Overrides:

getRemoteReplicaLagFromLocalInBytes in class com.github.ambry.replication.ReplicationEngine