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Merge pull request #2435 from jmeulemans/open-chunks-gauge

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Adding gauge for number of open head chunks.
This commit is contained in:
Björn Rabenstein 2017-02-17 16:02:06 +01:00 committed by GitHub
commit 089dc1076b
1 changed files with 21 additions and 0 deletions
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21
storage/local/storage.go
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@ -180,6 +180,7 @@ type MemorySeriesStorage struct {
persistErrors prometheus.Counter
queuedChunksToPersist prometheus.Counter
numSeries prometheus.Gauge
numHeadChunks prometheus.Gauge
dirtySeries prometheus.Gauge
seriesOps *prometheus.CounterVec
ingestedSamplesCount prometheus.Counter
@ -254,6 +255,12 @@ func NewMemorySeriesStorage(o *MemorySeriesStorageOptions) *MemorySeriesStorage
Name: "memory_series",
Help: "The current number of series in memory.",
}),
numHeadChunks: prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: subsystem,
Name: "open_head_chunks",
Help: "The current number of open head chunks.",
}),
dirtySeries: prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: subsystem,
@ -372,6 +379,14 @@ func (s *MemorySeriesStorage) Start() (err error) {
log.Info("Loading series map and head chunks...")
s.fpToSeries, s.numChunksToPersist, err = p.loadSeriesMapAndHeads()
for fp := range s.fpToSeries.fpIter() {
if series, ok := s.fpToSeries.get(fp); ok {
if !series.headChunkClosed {
s.numHeadChunks.Inc()
}
}
}
if err != nil {
return err
}
@ -977,6 +992,9 @@ func (s *MemorySeriesStorage) getOrCreateSeries(fp model.Fingerprint, m model.Me
}
s.fpToSeries.put(fp, series)
s.numSeries.Inc()
if !series.headChunkClosed {
s.numHeadChunks.Inc()
}
}
return series, nil
}
@ -1383,6 +1401,7 @@ func (s *MemorySeriesStorage) maintainMemorySeries(
}
if closed {
s.incNumChunksToPersist(1)
s.numHeadChunks.Dec()
}
seriesWasDirty := series.dirty
@ -1783,6 +1802,7 @@ func (s *MemorySeriesStorage) Describe(ch chan<- *prometheus.Desc) {
ch <- maxChunksToPersistDesc
ch <- numChunksToPersistDesc
ch <- s.numSeries.Desc()
ch <- s.numHeadChunks.Desc()
ch <- s.dirtySeries.Desc()
s.seriesOps.Describe(ch)
ch <- s.ingestedSamplesCount.Desc()
@ -1812,6 +1832,7 @@ func (s *MemorySeriesStorage) Collect(ch chan<- prometheus.Metric) {
float64(s.getNumChunksToPersist()),
)
ch <- s.numSeries
ch <- s.numHeadChunks
ch <- s.dirtySeries
s.seriesOps.Collect(ch)
ch <- s.ingestedSamplesCount