milvus Upsert api写s3的流程

func (it *upsertTask) Execute(ctx context.Context) (err error) {
	ctx, sp := otel.Tracer(typeutil.ProxyRole).Start(ctx, "Proxy-Upsert-Execute")
	defer sp.End()
	log := log.Ctx(ctx).With(zap.String("collectionName", it.req.CollectionName))

	tr := timerecord.NewTimeRecorder(fmt.Sprintf("proxy execute upsert %d", it.ID()))
	// 拿到stream,类型为msgstream.mqMsgStream
    stream, err := it.chMgr.getOrCreateDmlStream(it.collectionID)
	if err != nil {
		return err
	}
    // 创建msgPack
	msgPack := &msgstream.MsgPack{
		BeginTs: it.BeginTs(),
		EndTs:   it.EndTs(),
	}
    // 添加insertMsgPack
	err = it.insertExecute(ctx, msgPack)
	if err != nil {
		log.Warn("Fail to insertExecute", zap.Error(err))
		return err
	}
    // 添加deleteMsgPack
	err = it.deleteExecute(ctx, msgPack)
	if err != nil {
		log.Warn("Fail to deleteExecute", zap.Error(err))
		return err
	}

	tr.RecordSpan()
    // 发送数据至mq
	err = stream.Produce(msgPack)
	if err != nil {
		it.result.Status = merr.Status(err)
		return err
	}
	sendMsgDur := tr.RecordSpan()
	metrics.ProxySendMutationReqLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), metrics.UpsertLabel).Observe(float64(sendMsgDur.Milliseconds()))
	totalDur := tr.ElapseSpan()
	log.Debug("Proxy Upsert Execute done", zap.Int64("taskID", it.ID()),
		zap.Duration("total duration", totalDur))
	return nil
}

// Operate handles input messages, implementing flowgrpah.Node
func (ddn *ddNode) Operate(in []Msg) []Msg {
	......
    // 遍历msMsg
	for _, msg := range msMsg.TsMessages() {
		switch msg.Type() {
		case commonpb.MsgType_DropCollection:
			......

		case commonpb.MsgType_DropPartition:
			......
        // 处理insert消息
		case commonpb.MsgType_Insert:
			......
        // 处理delete消息
		case commonpb.MsgType_Delete:
			......
		}
	}

	......
}

files/insert_log/{collectionID}/{partitionID}/{segmentID}/{fieldID}/{logidx}
files/stats_log/{collectionID}/{partitionID}/{segmentID}/{fieldID}/1(flushed)
files/stats_log/{collectionID}/{partitionID}/{segmentID}/{fieldID}/{logidx}(not flushed)

files/delta_log/{collID}/{partID}/{segmentID}/{logID}
files/stats_log/{collID}/{partID}/{segmentID}/{fieldID}/1(flushed)
files/stats_log/{collID}/{partID}/{segmentID}/{fieldID}/{logID}(not flushed)