@Override
  public String getReplicaPath() {
    // GetRequest.Cloud_Replica_Keyword is added to avoid error on its peers.
    return Cloud_Replica_Keyword + File.separator + getMountPath() + File.separator + partitionId.toPathString();
  }
Instantiate an CloudReplica instance.
@param partitionId the {@link PartitionId} of which this is a replica.
@param dataNodeId which hosts this replica.
ambry-clustermap/src/main/java/com/github/ambry/clustermap/CloudReplica.java