@Override
        public ServiceLabelRecord storage2Entity(Convert2Entity converter) {
            final ServiceLabelRecord record = new ServiceLabelRecord();
            record.setServiceId((String) converter.get(SERVICE_ID));
            record.setLabel((String) converter.get(LABEL));
            record.setTimeBucket(((Number) converter.get(TIME_BUCKET)).longValue());
            return record;
        }
Process have multiple labels, such as tag.
{@link ServiceLabelRecord} could combine them in the service level.
It could help to quickly locate the similar process by the service and label.
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/manual/process/ServiceLabelRecord.java