milvus/internal/querynode/stats_service.go
Xiangyu Wang e5d595564a Add log for singlenode
Signed-off-by: Xiangyu Wang <xiangyu.wang@zilliz.com>
2021-03-05 18:16:50 +08:00

99 lines
2.3 KiB
Go

package querynode
import (
"context"
"strings"
"time"
"github.com/zilliztech/milvus-distributed/internal/log"
"github.com/zilliztech/milvus-distributed/internal/msgstream"
"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
"github.com/zilliztech/milvus-distributed/internal/proto/internalpb2"
)
type statsService struct {
ctx context.Context
replica ReplicaInterface
fieldStatsChan chan []*internalpb2.FieldStats
statsStream msgstream.MsgStream
msFactory msgstream.Factory
}
func newStatsService(ctx context.Context, replica ReplicaInterface, fieldStatsChan chan []*internalpb2.FieldStats, factory msgstream.Factory) *statsService {
return &statsService{
ctx: ctx,
replica: replica,
fieldStatsChan: fieldStatsChan,
statsStream: nil,
msFactory: factory,
}
}
func (sService *statsService) start() {
sleepTimeInterval := Params.StatsPublishInterval
// start pulsar
producerChannels := []string{Params.StatsChannelName}
statsStream, _ := sService.msFactory.NewMsgStream(sService.ctx)
statsStream.AsProducer(producerChannels)
log.Debug("querynode AsProducer: " + strings.Join(producerChannels, ", "))
var statsMsgStream msgstream.MsgStream = statsStream
sService.statsStream = statsMsgStream
sService.statsStream.Start()
// start service
for {
select {
case <-sService.ctx.Done():
return
case <-time.After(time.Duration(sleepTimeInterval) * time.Millisecond):
sService.publicStatistic(nil)
case fieldStats := <-sService.fieldStatsChan:
sService.publicStatistic(fieldStats)
}
}
}
func (sService *statsService) close() {
if sService.statsStream != nil {
sService.statsStream.Close()
}
}
func (sService *statsService) publicStatistic(fieldStats []*internalpb2.FieldStats) {
segStats := sService.replica.getSegmentStatistics()
queryNodeStats := internalpb2.QueryNodeStats{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_kQueryNodeStats,
SourceID: Params.QueryNodeID,
},
SegStats: segStats,
FieldStats: fieldStats,
}
var msg msgstream.TsMsg = &msgstream.QueryNodeStatsMsg{
BaseMsg: msgstream.BaseMsg{
HashValues: []uint32{0},
},
QueryNodeStats: queryNodeStats,
}
var msgPack = msgstream.MsgPack{
Msgs: []msgstream.TsMsg{msg},
}
err := sService.statsStream.Produce(context.TODO(), &msgPack)
if err != nil {
log.Error(err.Error())
}
}