@Override
  public void load() {
    currentState = ReplicaState.STANDBY;
    logger.debug("Loaded the store: {}", this);
  }
Constructor for CloudBlobStore
@param properties the {@link VerifiableProperties} to use.
@param partitionId partition associated with BlobStore.
@param cloudDestination the {@link CloudDestination} to use.
@param clusterMap the {@link ClusterMap} to use.
@param vcrMetrics the {@link VcrMetrics} to use.
@throws IllegalStateException if construction failed.
ambry-cloud/src/main/java/com/github/ambry/cloud/CloudBlobStore.java