milvus/internal/datanode/flow_graph_dmstream_input_node.go
XuanYang-cn 5c5f9aa05e
Enhance newDataSyncService (#27277)
- Add flowgraph.Assemble assembles nodes in flowgraph.go
- remove fgCtx in newDataSyncService
- Add newServiceWithEtcdTickler func, reduce param numbers to 3
- Remove unnecessary params
  - config.maxQueueLength, config.maxParallelish

See also: #27207

Signed-off-by: yangxuan <xuan.yang@zilliz.com>
2023-09-27 11:07:25 +08:00

78 lines
3.1 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package datanode
import (
"context"
"fmt"
"time"
"go.uber.org/zap"
"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
"github.com/milvus-io/milvus/internal/util/flowgraph"
"github.com/milvus-io/milvus/pkg/log"
"github.com/milvus-io/milvus/pkg/metrics"
"github.com/milvus-io/milvus/pkg/mq/msgdispatcher"
"github.com/milvus-io/milvus/pkg/mq/msgstream"
"github.com/milvus-io/milvus/pkg/mq/msgstream/mqwrapper"
"github.com/milvus-io/milvus/pkg/util/paramtable"
"github.com/milvus-io/milvus/pkg/util/tsoutil"
"github.com/milvus-io/milvus/pkg/util/typeutil"
)
// DmInputNode receives messages from message streams, packs messages between two timeticks, and passes all
//
// messages between two timeticks to the following flowgraph node. In DataNode, the following flow graph node is
// flowgraph ddNode.
func newDmInputNode(initCtx context.Context, dispatcherClient msgdispatcher.Client, seekPos *msgpb.MsgPosition, dmNodeConfig *nodeConfig) (*flowgraph.InputNode, error) {
log := log.With(zap.Int64("nodeID", paramtable.GetNodeID()),
zap.Int64("collectionID", dmNodeConfig.collectionID),
zap.String("vchannel", dmNodeConfig.vChannelName))
var err error
var input <-chan *msgstream.MsgPack
if seekPos != nil && len(seekPos.MsgID) != 0 {
input, err = dispatcherClient.Register(initCtx, dmNodeConfig.vChannelName, seekPos, mqwrapper.SubscriptionPositionUnknown)
if err != nil {
return nil, err
}
log.Info("datanode seek successfully when register to msgDispatcher",
zap.ByteString("msgID", seekPos.GetMsgID()),
zap.Time("tsTime", tsoutil.PhysicalTime(seekPos.GetTimestamp())),
zap.Duration("tsLag", time.Since(tsoutil.PhysicalTime(seekPos.GetTimestamp()))))
} else {
input, err = dispatcherClient.Register(initCtx, dmNodeConfig.vChannelName, nil, mqwrapper.SubscriptionPositionEarliest)
if err != nil {
return nil, err
}
log.Info("datanode consume successfully when register to msgDispatcher")
}
name := fmt.Sprintf("dmInputNode-data-%d-%s", dmNodeConfig.collectionID, dmNodeConfig.vChannelName)
node := flowgraph.NewInputNode(
input,
name,
Params.DataNodeCfg.FlowGraphMaxQueueLength.GetAsInt32(),
Params.DataNodeCfg.FlowGraphMaxParallelism.GetAsInt32(),
typeutil.DataNodeRole,
paramtable.GetNodeID(),
dmNodeConfig.collectionID,
metrics.AllLabel,
)
return node, nil
}