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Don't warn/increment metric upon equal timestamps during append.

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Perhaps it would be even better to still warn in case the sample value has
changed but the timestamps are equal, but we don't have efficient access
to the last value.
This commit is contained in:
Laurie Malau 2015-08-09 22:43:31 +02:00
parent 113ac96a71
commit 20ad403587
1 changed files with 8 additions and 2 deletions
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10
storage/local/storage.go
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@ -560,9 +560,15 @@ func (s *memorySeriesStorage) Append(sample *clientmodel.Sample) {
series := s.getOrCreateSeries(fp, sample.Metric)
if sample.Timestamp <= series.lastTime {
// Don't log and track equal timestamps, as they are a common occurrence
// when using client-side timestamps (e.g. Pushgateway or federation).
// It would be even better to also compare the sample values here, but
// we don't have efficient access to a series's last value.
if sample.Timestamp != series.lastTime {
log.Warnf("Ignoring sample with out-of-order timestamp for fingerprint %v (%v): %v is not after %v", fp, series.metric, sample.Timestamp, series.lastTime)
s.outOfOrderSamplesCount.Inc()
}
s.fpLocker.Unlock(fp)
log.Warnf("Ignoring sample with out-of-order timestamp for fingerprint %v (%v): %v is not after %v", fp, series.metric, sample.Timestamp, series.lastTime)
s.outOfOrderSamplesCount.Inc()
return
}
completedChunksCount := series.add(&metric.SamplePair{