@Override
        public InstanceTraffic storage2Entity(final Convert2Entity converter) {
            InstanceTraffic instanceTraffic = new InstanceTraffic();
            instanceTraffic.setServiceId((String) converter.get(SERVICE_ID));
            instanceTraffic.setName((String) converter.get(NAME));
            final String propString = (String) converter.get(PROPERTIES);
            if (StringUtil.isNotEmpty(propString)) {
                instanceTraffic.setProperties(GSON.fromJson(propString, JsonObject.class));
            }
            instanceTraffic.setLastPingTimestamp(((Number) converter.get(LAST_PING_TIME_BUCKET)).longValue());
            instanceTraffic.setTimeBucket(((Number) converter.get(TIME_BUCKET)).longValue());
            return instanceTraffic;
        }
Keep the time bucket as the same time inserted.
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/manual/instance/InstanceTraffic.java