mirror of
https://gitee.com/milvus-io/milvus.git
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110 lines
2.9 KiB
Go
110 lines
2.9 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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"strings"
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"time"
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"github.com/zilliztech/milvus-distributed/internal/log"
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"github.com/zilliztech/milvus-distributed/internal/msgstream"
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"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
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"github.com/zilliztech/milvus-distributed/internal/proto/internalpb"
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)
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type statsService struct {
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ctx context.Context
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replica ReplicaInterface
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fieldStatsChan chan []*internalpb.FieldStats
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statsStream msgstream.MsgStream
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msFactory msgstream.Factory
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}
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func newStatsService(ctx context.Context, replica ReplicaInterface, fieldStatsChan chan []*internalpb.FieldStats, factory msgstream.Factory) *statsService {
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return &statsService{
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ctx: ctx,
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replica: replica,
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fieldStatsChan: fieldStatsChan,
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statsStream: nil,
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msFactory: factory,
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}
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}
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func (sService *statsService) start() {
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sleepTimeInterval := Params.StatsPublishInterval
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// start pulsar
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producerChannels := []string{Params.StatsChannelName}
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statsStream, _ := sService.msFactory.NewMsgStream(sService.ctx)
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statsStream.AsProducer(producerChannels)
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log.Debug("querynode AsProducer: " + strings.Join(producerChannels, ", "))
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var statsMsgStream msgstream.MsgStream = statsStream
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sService.statsStream = statsMsgStream
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sService.statsStream.Start()
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// start service
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for {
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select {
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case <-sService.ctx.Done():
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return
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case <-time.After(time.Duration(sleepTimeInterval) * time.Millisecond):
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sService.publicStatistic(nil)
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case fieldStats := <-sService.fieldStatsChan:
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sService.publicStatistic(fieldStats)
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}
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}
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}
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func (sService *statsService) close() {
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if sService.statsStream != nil {
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sService.statsStream.Close()
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}
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}
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func (sService *statsService) publicStatistic(fieldStats []*internalpb.FieldStats) {
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segStats := sService.replica.getSegmentStatistics()
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queryNodeStats := internalpb.QueryNodeStats{
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Base: &commonpb.MsgBase{
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MsgType: commonpb.MsgType_QueryNodeStats,
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SourceID: Params.QueryNodeID,
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},
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SegStats: segStats,
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FieldStats: fieldStats,
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}
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var msg msgstream.TsMsg = &msgstream.QueryNodeStatsMsg{
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BaseMsg: msgstream.BaseMsg{
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HashValues: []uint32{0},
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},
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QueryNodeStats: queryNodeStats,
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}
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var msgPack = msgstream.MsgPack{
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Msgs: []msgstream.TsMsg{msg},
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}
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err := sService.statsStream.Produce(&msgPack)
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if err != nil {
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log.Error(err.Error())
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}
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}
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