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Fix: Drop points if they haven't been added for 10m

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which happens for example when the database has the max number of series
reached and a new series is to be added

Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
Knut Ahlers 2022-07-03 15:45:32 +02:00
parent c1fb917d19
commit 86092517ea
Signed by: luzifer
GPG Key ID: 0066F03ED215AD7D
1 changed files with 15 additions and 2 deletions
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17
metrics.go
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@ -9,8 +9,9 @@ import (
)
const (
influxWriteInterval = 10 * time.Second
influxChunkSize = 1000
influxPointExpiry = 10 * time.Minute // If the point isn't submitted in this time, drop it
influxWriteInterval = 10 * time.Second
)
type metricsSender struct {
@ -46,6 +47,18 @@ func (m *metricsSender) RecordPoint(name string, tags map[string]string, fields
return nil
}
func (m *metricsSender) filterExpiredPoints(pts []*influx.Point) []*influx.Point {
var out []*influx.Point
for _, pt := range pts {
if time.Since(pt.Time()) < influxPointExpiry {
out = append(out, pt)
}
}
return out
}
func (m *metricsSender) resetBatch() error {
b, err := influx.NewBatchPoints(influx.BatchPointsConfig{
Database: m.database,
@ -89,7 +102,7 @@ func (m *metricsSender) sendLoop() {
if err := m.client.Write(chunk); err != nil {
m.errs <- err
failedBatch.AddPoints(m.batch.Points()[i:end])
failedBatch.AddPoints(m.filterExpiredPoints(m.batch.Points()[i:end]))
continue
}
}