@Override
  public String queryRecordedMonth() throws SQLException {
    long startTimeMs = System.currentTimeMillis();
    String result = aggregatedAccountReportsDao.queryMonthForCluster(clusterName);
    storeMetrics.queryMonthTimeMs.update(System.currentTimeMillis() - startTimeMs);
    return result;
  }
Store the {@link AggregatedAccountStorageStats} to mysql database.
@param aggregatedAccountStorageStats The {@link AggregatedAccountStorageStats}.
ambry-mysql/src/main/java/com/github/ambry/accountstats/AccountStatsMySqlStore.java