@Override
    public String toString() {
        return "DataSourceAlarmVO{" +
                "id=" + id +
                ", databaseName='" + databaseName + '\'' +
                ", activeConnectionAvg=" + activeConnectionAvg +
                ", maxConnectionAvg=" + maxConnectionAvg +
                '}';
    }
@author Taejin Koo
@author Jongjin.Bae
batch/src/main/java/com/navercorp/pinpoint/batch/alarm/vo/DataSourceAlarmVO.java