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https://gitee.com/milvus-io/milvus.git
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100 lines
3.1 KiB
Go
100 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 querynode
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import (
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"fmt"
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"reflect"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/util/flowgraph"
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"github.com/milvus-io/milvus/internal/util/tsoutil"
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)
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// serviceTimeNode is one of the nodes in delta flow graph
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type serviceTimeNode struct {
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baseNode
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collectionID UniqueID
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vChannel Channel
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tSafeReplica TSafeReplicaInterface
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}
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// Name returns the name of serviceTimeNode
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func (stNode *serviceTimeNode) Name() string {
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return fmt.Sprintf("stNode-%d-%s", stNode.collectionID, stNode.vChannel)
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}
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// Operate handles input messages, to execute insert operations
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func (stNode *serviceTimeNode) Operate(in []flowgraph.Msg) []flowgraph.Msg {
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if len(in) != 1 {
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log.Warn("Invalid operate message input in serviceTimeNode, input length = ", zap.Int("input node", len(in)))
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return []Msg{}
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}
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serviceTimeMsg, ok := in[0].(*serviceTimeMsg)
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if !ok {
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if in[0] == nil {
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log.Debug("type assertion failed for serviceTimeMsg because it's nil")
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} else {
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log.Warn("type assertion failed for serviceTimeMsg", zap.String("name", reflect.TypeOf(in[0]).Name()))
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}
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return []Msg{}
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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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err := stNode.tSafeReplica.setTSafe(stNode.vChannel, serviceTimeMsg.timeRange.timestampMax)
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if err != nil {
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// should not happen, QueryNode should addTSafe before start flow graph
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panic(fmt.Errorf("serviceTimeNode setTSafe timeout, collectionID = %d, err = %s", stNode.collectionID, err))
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}
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p, _ := tsoutil.ParseTS(serviceTimeMsg.timeRange.timestampMax)
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log.RatedDebug(10.0, "update tSafe:",
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zap.Any("collectionID", stNode.collectionID),
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zap.Any("tSafe", serviceTimeMsg.timeRange.timestampMax),
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zap.Any("tSafe_p", p),
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zap.Any("channel", stNode.vChannel),
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)
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return []Msg{}
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}
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// newServiceTimeNode returns a new serviceTimeNode
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func newServiceTimeNode(tSafeReplica TSafeReplicaInterface,
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collectionID UniqueID,
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channel Channel) *serviceTimeNode {
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maxQueueLength := Params.QueryNodeCfg.FlowGraphMaxQueueLength
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maxParallelism := Params.QueryNodeCfg.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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return &serviceTimeNode{
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baseNode: baseNode,
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collectionID: collectionID,
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vChannel: channel,
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tSafeReplica: tSafeReplica,
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}
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}
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