@Override
  public void run() {
    try {
      write(false);
    } catch (Exception e) {
      logger.error("Error while persisting the replica tokens ", e);
    }
  }
Retrieve the tokens under the same mountPath.
@param mountPath The mouth path of the partition(s).
@return A list of {@link ReplicaTokenInfo}.
ambry-replication/src/main/java/com/github/ambry/replication/ReplicaTokenPersistor.java