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backend: more metrics for bboltdb transcation

release-3.4
Xiang Li 2018-06-11 13:40:34 -07:00 committed by Gyuho Lee
parent 322c0df785
commit 2f1730fcae
2 changed files with 39 additions and 0 deletions
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3
mvcc/backend/batch_tx.go
View File

@ -220,6 +220,9 @@ func (t *batchTx) commit(stop bool) {
err := t.tx.Commit()
// gofail: var afterCommit struct{}
rebalanceSec.Observe(t.tx.Stats().RebalanceTime.Seconds())
spillSec.Observe(t.tx.Stats().SpillTime.Seconds())
writeSec.Observe(t.tx.Stats().WriteTime.Seconds())
commitSec.Observe(time.Since(start).Seconds())
atomic.AddInt64(&t.backend.commits, 1)

36
mvcc/backend/metrics.go
View File

@ -28,6 +28,39 @@ var (
Buckets: prometheus.ExponentialBuckets(0.001, 2, 14),
})
rebalanceSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd_debugging",
Subsystem: "disk",
Name: "backend_commit_rebalance_duration_seconds",
Help: "The latency distributions of commit.rebalance called by bboltdb backend.",
// lowest bucket start of upper bound 0.001 sec (1 ms) with factor 2
// highest bucket start of 0.001 sec * 2^13 == 8.192 sec
Buckets: prometheus.ExponentialBuckets(0.001, 2, 14),
})
spillSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd_debugging",
Subsystem: "disk",
Name: "backend_commit_spill_duration_seconds",
Help: "The latency distributions of commit.spill called by bboltdb backend.",
// lowest bucket start of upper bound 0.001 sec (1 ms) with factor 2
// highest bucket start of 0.001 sec * 2^13 == 8.192 sec
Buckets: prometheus.ExponentialBuckets(0.001, 2, 14),
})
writeSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd_debugging",
Subsystem: "disk",
Name: "backend_commit_write_duration_seconds",
Help: "The latency distributions of commit.write called by bboltdb backend.",
// lowest bucket start of upper bound 0.001 sec (1 ms) with factor 2
// highest bucket start of 0.001 sec * 2^13 == 8.192 sec
Buckets: prometheus.ExponentialBuckets(0.001, 2, 14),
})
defragSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "disk",
@ -54,6 +87,9 @@ var (
func init() {
prometheus.MustRegister(commitSec)
prometheus.MustRegister(rebalanceSec)
prometheus.MustRegister(spillSec)
prometheus.MustRegister(writeSec)
prometheus.MustRegister(defragSec)
prometheus.MustRegister(snapshotTransferSec)
}