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Merge pull request #14042 from aknuds1/arve/wlog-histograms

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tsdb/wlog: Only treat unknown record types as failure
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Arve Knudsen 2024-08-16 12:00:49 +02:00 committed by GitHub
parent 1daf7cdd62 b5d13a1ab5
commit 66388f706a
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GPG key ID: B5690EEEBB952194
2 changed files with 10 additions and 8 deletions
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1
CHANGELOG.md
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@ -3,6 +3,7 @@
## unreleased
* [FEATURE] OTLP receiver: Add new option `otlp.promote_resource_attributes`, for any OTel resource attributes that should be promoted to metric labels. #14200
* [BUGFIX] tsdb/wlog.Watcher.readSegmentForGC: Only count unknown record types against record_decode_failures_total metric. #14042
## 2.54.0-rc.1 / 2024-08-05

17
tsdb/wlog/watcher.go
View file

@ -572,6 +572,7 @@ func (w *Watcher) readSegment(r *LiveReader, segmentNum int, tail bool) error {
w.writer.AppendHistograms(histogramsToSend)
histogramsToSend = histogramsToSend[:0]
}
case record.FloatHistogramSamples:
// Skip if experimental "histograms over remote write" is not enabled.
if !w.sendHistograms {
@ -610,11 +611,13 @@ func (w *Watcher) readSegment(r *LiveReader, segmentNum int, tail bool) error {
return err
}
w.writer.StoreMetadata(meta)
case record.Tombstones:
default:
case record.Unknown:
// Could be corruption, or reading from a WAL from a newer Prometheus.
w.recordDecodeFailsMetric.Inc()
default:
// We're not interested in other types of records.
}
}
if err := r.Err(); err != nil {
@ -643,14 +646,12 @@ func (w *Watcher) readSegmentForGC(r *LiveReader, segmentNum int, _ bool) error
}
w.writer.UpdateSeriesSegment(series, segmentNum)
// Ignore these; we're only interested in series.
case record.Samples:
case record.Exemplars:
case record.Tombstones:
default:
case record.Unknown:
// Could be corruption, or reading from a WAL from a newer Prometheus.
w.recordDecodeFailsMetric.Inc()
default:
// We're only interested in series.
}
}
if err := r.Err(); err != nil {