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Reuse parser to avoid overhead in NATS receiver

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This commit is contained in:
Thomas Roehl 2021-10-08 13:28:44 +02:00
parent 4688997071
commit f74d5dc51a
1 changed files with 7 additions and 5 deletions
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10
receivers/natsReceiver.go
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@ -12,6 +12,8 @@ import (
type NatsReceiver struct {
Receiver
nc *nats.Conn
handler *lp.MetricHandler
parser *lp.Parser
}
var DefaultTime = func() time.Time {
@ -42,6 +44,9 @@ func (r *NatsReceiver) Init(config ReceiverConfig, sink s.SinkFuncs) error {
log.Print(err)
r.nc = nil
}
r.handler = lp.NewMetricHandler()
r.parser = lp.NewParser(r.handler)
r.parser.SetTimeFunc(DefaultTime)
return err
}
@ -51,10 +56,7 @@ func (r *NatsReceiver) Start() {
}
func (r *NatsReceiver) _NatsReceive(m *nats.Msg) {
handler := lp.NewMetricHandler()
parser := lp.NewParser(handler)
parser.SetTimeFunc(DefaultTime)
metrics, err := parser.Parse(m.Data)
metrics, err := r.parser.Parse(m.Data)
if err == nil {
for _, m := range metrics {
y, err := lp.New(m.Name(), Tags2Map(m), Fields2Map(m), m.Time())