mirror of
https://gitee.com/milvus-io/milvus.git
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118 lines
3.5 KiB
Go
118 lines
3.5 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package querynode
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import (
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"context"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/msgstream"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/util/flowgraph"
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"go.uber.org/zap"
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)
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type serviceTimeNode struct {
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baseNode
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collectionID UniqueID
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replica ReplicaInterface
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timeTickMsgStream msgstream.MsgStream
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}
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func (stNode *serviceTimeNode) Name() string {
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return "stNode"
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}
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func (stNode *serviceTimeNode) Close() {
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stNode.timeTickMsgStream.Close()
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}
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func (stNode *serviceTimeNode) Operate(in []flowgraph.Msg) []flowgraph.Msg {
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//log.Debug("Do serviceTimeNode operation")
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if len(in) != 1 {
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log.Error("Invalid operate message input in serviceTimeNode, input length = ", zap.Int("input node", len(in)))
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// TODO: add error handling
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}
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serviceTimeMsg, ok := in[0].(*serviceTimeMsg)
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if !ok {
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log.Error("type assertion failed for serviceTimeMsg")
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// TODO: add error handling
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}
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if serviceTimeMsg == nil {
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return []Msg{}
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}
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// update service time
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ts := stNode.replica.getTSafe(stNode.collectionID)
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if ts != nil {
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ts.set(serviceTimeMsg.timeRange.timestampMax)
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//log.Debug("update tSafe:",
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// zap.Int64("tSafe", int64(serviceTimeMsg.timeRange.timestampMax)),
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// zap.Int64("collectionID", stNode.collectionID))
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}
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if err := stNode.sendTimeTick(serviceTimeMsg.timeRange.timestampMax); err != nil {
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log.Error("Error: send time tick into pulsar channel failed", zap.Error(err))
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}
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var res Msg = &gcMsg{
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gcRecord: serviceTimeMsg.gcRecord,
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timeRange: serviceTimeMsg.timeRange,
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}
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return []Msg{res}
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}
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func (stNode *serviceTimeNode) sendTimeTick(ts Timestamp) error {
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msgPack := msgstream.MsgPack{}
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timeTickMsg := msgstream.TimeTickMsg{
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BaseMsg: msgstream.BaseMsg{
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BeginTimestamp: ts,
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EndTimestamp: ts,
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HashValues: []uint32{0},
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},
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TimeTickMsg: internalpb.TimeTickMsg{
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Base: &commonpb.MsgBase{
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MsgType: commonpb.MsgType_TimeTick,
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MsgID: 0,
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Timestamp: ts,
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SourceID: Params.QueryNodeID,
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},
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},
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}
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msgPack.Msgs = append(msgPack.Msgs, &timeTickMsg)
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return stNode.timeTickMsgStream.Produce(&msgPack)
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}
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func newServiceTimeNode(ctx context.Context, replica ReplicaInterface, factory msgstream.Factory, collectionID UniqueID) *serviceTimeNode {
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maxQueueLength := Params.FlowGraphMaxQueueLength
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maxParallelism := Params.FlowGraphMaxParallelism
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baseNode := baseNode{}
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baseNode.SetMaxQueueLength(maxQueueLength)
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baseNode.SetMaxParallelism(maxParallelism)
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timeTimeMsgStream, _ := factory.NewMsgStream(ctx)
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timeTimeMsgStream.AsProducer([]string{Params.QueryTimeTickChannelName})
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log.Debug("querynode AsProducer: " + Params.QueryTimeTickChannelName)
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return &serviceTimeNode{
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baseNode: baseNode,
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collectionID: collectionID,
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replica: replica,
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timeTickMsgStream: timeTimeMsgStream,
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}
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}
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