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etcdserver: add "etcd_server_snapshot_apply_inflights_total"

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Signed-off-by: Gyuho Lee <leegyuho@amazon.com>
This commit is contained in:
Gyuho Lee 2019-08-08 13:04:38 -07:00
parent 1c8fab7365
commit 4527f4c4b0
2 changed files with 12 additions and 2 deletions
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7
etcdserver/metrics.go
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@ -54,6 +54,12 @@ var (
Name: "slow_apply_total",
Help: "The total number of slow apply requests (likely overloaded from slow disk).",
})
applySnapshotInProgress = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "server",
Name: "snapshot_apply_in_progress_total",
Help: "1 if the server is applying the incoming snapshot. 0 if none.",
})
proposalsCommitted = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "server",
@ -131,6 +137,7 @@ func init() {
prometheus.MustRegister(leaderChanges)
prometheus.MustRegister(heartbeatSendFailures)
prometheus.MustRegister(slowApplies)
prometheus.MustRegister(applySnapshotInProgress)
prometheus.MustRegister(proposalsCommitted)
prometheus.MustRegister(proposalsApplied)
prometheus.MustRegister(proposalsPending)

7
etcdserver/server.go
View File

@ -866,9 +866,12 @@ func (s *EtcdServer) applySnapshot(ep *etcdProgress, apply *apply) {
if raft.IsEmptySnap(apply.snapshot) {
return
}
applySnapshotInProgress.Inc()
plog.Infof("applying snapshot at index %d...", ep.snapi)
defer plog.Infof("finished applying incoming snapshot at index %d", ep.snapi)
defer func() {
plog.Infof("finished applying incoming snapshot at index %d", ep.snapi)
applySnapshotInProgress.Dec()
}()
if apply.snapshot.Metadata.Index <= ep.appliedi {
plog.Panicf("snapshot index [%d] should > appliedi[%d] + 1",