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Merge pull request #167 from simonpasquier/instrument-wal-corruptions

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Instrument WAL corruptions
This commit is contained in:
Fabian Reinartz 2017-10-06 14:16:41 +02:00 committed by GitHub
commit 74b0336d06
1 changed files with 7 additions and 0 deletions
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7
wal.go
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@ -68,6 +68,7 @@ type DeletesCB func([]Stone) error
type walMetrics struct {
fsyncDuration prometheus.Summary
corruptions prometheus.Counter
}
func newWalMetrics(wal *SegmentWAL, r prometheus.Registerer) *walMetrics {
@ -77,10 +78,15 @@ func newWalMetrics(wal *SegmentWAL, r prometheus.Registerer) *walMetrics {
Name: "tsdb_wal_fsync_duration_seconds",
Help: "Duration of WAL fsync.",
})
m.corruptions = prometheus.NewCounter(prometheus.CounterOpts{
Name: "tsdb_wal_corruptions_total",
Help: "Total number of WAL corruptions.",
})
if r != nil {
r.MustRegister(
m.fsyncDuration,
m.corruptions,
)
}
return m
@ -247,6 +253,7 @@ func (r *repairingWALReader) Read(series SeriesCB, samples SamplesCB, deletes De
if !ok {
return err
}
r.wal.metrics.corruptions.Inc()
return r.wal.truncate(cerr.err, cerr.file, cerr.lastOffset)
}