@Override
  public AggregatedAccountStorageStats queryAggregatedAccountStorageStatsByClusterName(String clusterName)
      throws Exception {
    long startTimeMs = System.currentTimeMillis();
    AggregatedAccountStorageStats aggregatedAccountStorageStats = new AggregatedAccountStorageStats(null);
    aggregatedAccountReportsDao.queryContainerUsageForCluster(clusterName, (accountId, containerStats) -> {
      aggregatedAccountStorageStats.addContainerStorageStats(accountId, containerStats);
    });
    storeMetrics.queryAggregatedStatsTimeMs.update(System.currentTimeMillis() - startTimeMs);
    return aggregatedAccountStorageStats;
  }
Store the {@link AggregatedAccountStorageStats} to mysql database.
@param aggregatedAccountStorageStats The {@link AggregatedAccountStorageStats}.
ambry-mysql/src/main/java/com/github/ambry/accountstats/AccountStatsMySqlStore.java