@Override
  public CompletableFuture<DeleteResult> delete(String accountName, String containerName, String blobName) {
    return executeTransactionAsync(accountName, containerName, false, (accountId, containerId, connection) -> {
      long startTime = this.time.milliseconds();
      DeleteResult deleteResult =
          run_delete_v2(accountName, containerName, blobName, accountId, containerId, connection);
      metricsRecoder.namedBlobDeleteTimeInMs.update(this.time.milliseconds() - startTime);
      return deleteResult;
    }, null);
  }
Constructor to create the Metrics.
@param metricRegistry The {@link MetricRegistry}.
ambry-named-mysql/src/main/java/com/github/ambry/named/MySqlNamedBlobDb.java