public TThrottleQuotaResp showThrottleQuota(TShowThrottleReq req) {
    TSStatus status = confirmLeader();
    return status.getCode() == TSStatusCode.SUCCESS_STATUS.getStatusCode()
        ? clusterQuotaManager.showThrottleQuota(req)
        : new TThrottleQuotaResp(status);
  }
Get all related dataRegion which may contains the data of specific timeseries matched by given
patternTree
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/ConfigManager.java