public int countTimeSeries(String cfName,Calendar startTime,Calendar endTime){
  return _dbClient.countTimeSeries(cfName,startTime,endTime);
}

public int countTimeSeries ( String cfName , Calendar startTime , Calendar endTime ) { return _dbClient . countTimeSeries ( cfName , startTime , endTime ) ; }
record number of column family : stats , evetns , auditlogs
