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https://gitee.com/milvus-io/milvus.git
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5c5f9aa05e
- 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>
78 lines
3.1 KiB
Go
78 lines
3.1 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package datanode
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import (
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"context"
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"fmt"
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"time"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
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"github.com/milvus-io/milvus/internal/util/flowgraph"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/metrics"
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"github.com/milvus-io/milvus/pkg/mq/msgdispatcher"
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"github.com/milvus-io/milvus/pkg/mq/msgstream"
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"github.com/milvus-io/milvus/pkg/mq/msgstream/mqwrapper"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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"github.com/milvus-io/milvus/pkg/util/tsoutil"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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// DmInputNode receives messages from message streams, packs messages between two timeticks, and passes all
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//
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// messages between two timeticks to the following flowgraph node. In DataNode, the following flow graph node is
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// flowgraph ddNode.
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func newDmInputNode(initCtx context.Context, dispatcherClient msgdispatcher.Client, seekPos *msgpb.MsgPosition, dmNodeConfig *nodeConfig) (*flowgraph.InputNode, error) {
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log := log.With(zap.Int64("nodeID", paramtable.GetNodeID()),
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zap.Int64("collectionID", dmNodeConfig.collectionID),
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zap.String("vchannel", dmNodeConfig.vChannelName))
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var err error
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var input <-chan *msgstream.MsgPack
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if seekPos != nil && len(seekPos.MsgID) != 0 {
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input, err = dispatcherClient.Register(initCtx, dmNodeConfig.vChannelName, seekPos, mqwrapper.SubscriptionPositionUnknown)
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if err != nil {
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return nil, err
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}
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log.Info("datanode seek successfully when register to msgDispatcher",
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zap.ByteString("msgID", seekPos.GetMsgID()),
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zap.Time("tsTime", tsoutil.PhysicalTime(seekPos.GetTimestamp())),
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zap.Duration("tsLag", time.Since(tsoutil.PhysicalTime(seekPos.GetTimestamp()))))
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} else {
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input, err = dispatcherClient.Register(initCtx, dmNodeConfig.vChannelName, nil, mqwrapper.SubscriptionPositionEarliest)
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if err != nil {
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return nil, err
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}
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log.Info("datanode consume successfully when register to msgDispatcher")
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}
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name := fmt.Sprintf("dmInputNode-data-%d-%s", dmNodeConfig.collectionID, dmNodeConfig.vChannelName)
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node := flowgraph.NewInputNode(
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input,
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name,
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Params.DataNodeCfg.FlowGraphMaxQueueLength.GetAsInt32(),
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Params.DataNodeCfg.FlowGraphMaxParallelism.GetAsInt32(),
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typeutil.DataNodeRole,
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paramtable.GetNodeID(),
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dmNodeConfig.collectionID,
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metrics.AllLabel,
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)
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return node, nil
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}
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