private void scheduleStorageUsageMonthlyBaseFetcher() {
    long sleepDurationInSecs = secondsToNextTick(currentMonth, config.mysqlMonthlyBaseFetchOffsetSec);
    logger.info("Schedule to fetch container storage monthly base after {} seconds", sleepDurationInSecs);
    scheduler.schedule(this::fetchStorageUsageMonthlyBase, sleepDurationInSecs, TimeUnit.SECONDS);
  }
Schedule the task to fetch storage usage monthly base for next month.
ambry-quota/src/main/java/com/github/ambry/quota/storage/MySqlStorageUsageRefresher.java