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feat: add etcd_debugging_lease_total gauge metric

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Signed-off-by: Jimmy- <zhenguo251@gmail.com>
This commit is contained in:
Jimmy- 2024-05-25 15:02:25 +08:00
parent 0b2f15f616
commit a9a668f9e8
2 changed files with 11 additions and 0 deletions
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3
server/lease/lessor.go
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@ -303,6 +303,7 @@ func (le *lessor) Grant(id LeaseID, ttl int64) (*Lease, error) {
leaseTotalTTLs.Observe(float64(l.ttl)) leaseTotalTTLs.Observe(float64(l.ttl))
leaseGranted.Inc() leaseGranted.Inc()
leaseActive.Inc()
if le.isPrimary() { if le.isPrimary() {
item := &LeaseWithTime{id: l.ID, time: l.expiry} item := &LeaseWithTime{id: l.ID, time: l.expiry}
@ -351,6 +352,7 @@ func (le *lessor) Revoke(id LeaseID) error {
txn.End() txn.End()
leaseRevoked.Inc() leaseRevoked.Inc()
leaseActive.Dec()
return nil return nil
} }
@ -812,6 +814,7 @@ func (le *lessor) initAndRecover() {
} }
le.leaseExpiredNotifier.Init() le.leaseExpiredNotifier.Init()
heap.Init(&le.leaseCheckpointHeap) heap.Init(&le.leaseCheckpointHeap)
leaseActive.Set(float64(len(le.leaseMap)))
le.b.ForceCommit() le.b.ForceCommit()
} }

8
server/lease/metrics.go
View File

@ -49,6 +49,13 @@ var (
// 1 second -> 3 months // 1 second -> 3 months
Buckets: prometheus.ExponentialBuckets(1, 2, 24), Buckets: prometheus.ExponentialBuckets(1, 2, 24),
}) })
leaseActive = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "etcd_debugging",
Subsystem: "lease",
Name: "active",
Help: "The current number of active leases.",
})
) )
func init() { func init() {
@ -56,4 +63,5 @@ func init() {
prometheus.MustRegister(leaseRevoked) prometheus.MustRegister(leaseRevoked)
prometheus.MustRegister(leaseRenewed) prometheus.MustRegister(leaseRenewed)
prometheus.MustRegister(leaseTotalTTLs) prometheus.MustRegister(leaseTotalTTLs)
prometheus.MustRegister(leaseActive)
} }