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102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
package querynode
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import (
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"context"
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"fmt"
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"log"
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"strconv"
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"time"
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"github.com/zilliztech/milvus-distributed/internal/msgstream"
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"github.com/zilliztech/milvus-distributed/internal/msgstream/pulsarms"
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"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
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"github.com/zilliztech/milvus-distributed/internal/proto/internalpb2"
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)
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type statsService struct {
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ctx context.Context
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replica collectionReplica
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fieldStatsChan chan []*internalpb2.FieldStats
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statsStream msgstream.MsgStream
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}
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func newStatsService(ctx context.Context, replica collectionReplica, fieldStatsChan chan []*internalpb2.FieldStats) *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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}
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}
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func (sService *statsService) start() {
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sleepTimeInterval := Params.StatsPublishInterval
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receiveBufSize := Params.StatsReceiveBufSize
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// start pulsar
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msgStreamURL := Params.PulsarAddress
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producerChannels := []string{Params.StatsChannelName}
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factory := msgstream.ProtoUDFactory{}
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statsStream := pulsarms.NewPulsarMsgStream(sService.ctx, receiveBufSize, 1024, factory.NewUnmarshalDispatcher())
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statsStream.SetPulsarClient(msgStreamURL)
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statsStream.CreatePulsarProducers(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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fmt.Println("do segments statistic in ", strconv.Itoa(sleepTimeInterval), "ms")
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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 []*internalpb2.FieldStats) {
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segStats := sService.replica.getSegmentStatistics()
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queryNodeStats := internalpb2.QueryNodeStats{
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Base: &commonpb.MsgBase{
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MsgType: commonpb.MsgType_kQueryNodeStats,
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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.Println(err)
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}
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}
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