@Override
        public void entity2Storage(final InstanceTraffic storageData, final Convert2Storage converter) {
            converter.accept(SERVICE_ID, storageData.getServiceId());
            converter.accept(NAME, storageData.getName());
            if (storageData.getProperties() != null) {
                converter.accept(PROPERTIES, GSON.toJson(storageData.getProperties()));
            } else {
                converter.accept(PROPERTIES, Const.EMPTY_STRING);
            }
            converter.accept(LAST_PING_TIME_BUCKET, storageData.getLastPingTimestamp());
            converter.accept(TIME_BUCKET, storageData.getTimeBucket());
        }
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