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feat(server): log on snapshot success or failure

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lila.local: snapshot of 12 events completed at index 479
lila.local: snapshot of 12 events at index 491 attempted and failed: handling snapshot
This commit is contained in:
Brandon Philips
2014-01-24 06:58:18 -08:00
parent 7ee7e910eb
commit 9a0ddb3760
1 changed files with 13 additions and 2 deletions
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15
server/peer_server.go
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@@ -412,14 +412,25 @@ func (s *PeerServer) recordMetricEvent(event raft.Event) {
(*s.metrics).Timer(name).Update(value)
}
// logSnapshot logs about the snapshot that was taken.
func (s *PeerServer) logSnapshot(err error, currentIndex, count uint64) {
info := fmt.Sprintf("%s: snapshot of %d events at index %d", s.Config.Name, count, currentIndex)
if err != nil {
log.Infof("%s attempted and failed: %v", info, err)
} else {
log.Infof("%s completed", info)
}
}
func (s *PeerServer) monitorSnapshot() {
for {
time.Sleep(s.snapConf.checkingInterval)
currentIndex := s.RaftServer().CommitIndex()
count := currentIndex - s.snapConf.lastIndex
if uint64(count) > s.snapConf.snapshotThr {
s.raftServer.TakeSnapshot()
err := s.raftServer.TakeSnapshot()
s.logSnapshot(err, currentIndex, count)
s.snapConf.lastIndex = currentIndex
}
}