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Improve logs around recovering from snapshot backend

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Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
This commit is contained in:
Marek Siarkowicz 2023-12-20 16:26:27 +01:00
parent 1e8d66ef95
commit d39d86a214
2 changed files with 10 additions and 8 deletions
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16
server/etcdserver/bootstrap.go
View File

@ -227,6 +227,14 @@ func bootstrapBackend(cfg config.ServerConfig, haveWAL bool, st v2store.Store, s
}
}
if beExist {
s1, s2 := be.Size(), be.SizeInUse()
cfg.Logger.Info(
"recovered v3 backend",
zap.Int64("backend-size-bytes", s1),
zap.String("backend-size", humanize.Bytes(uint64(s1))),
zap.Int64("backend-size-in-use-bytes", s2),
zap.String("backend-size-in-use", humanize.Bytes(uint64(s2))),
)
if err = schema.Validate(cfg.Logger, be.ReadTx()); err != nil {
cfg.Logger.Error("Failed to validate schema", zap.Error(err))
return nil, err
@ -414,14 +422,6 @@ func recoverSnapshot(cfg config.ServerConfig, st v2store.Store, be backend.Backe
// already been closed in this case, so we should set the backend again.
ci.SetBackend(be)
s1, s2 := be.Size(), be.SizeInUse()
cfg.Logger.Info(
"recovered v3 backend from snapshot",
zap.Int64("backend-size-bytes", s1),
zap.String("backend-size", humanize.Bytes(uint64(s1))),
zap.Int64("backend-size-in-use-bytes", s2),
zap.String("backend-size-in-use", humanize.Bytes(uint64(s2))),
)
if beExist {
// TODO: remove kvindex != 0 checking when we do not expect users to upgrade
// etcd from pre-3.0 release.

2
server/storage/backend.go
View File

@ -105,8 +105,10 @@ func RecoverSnapshotBackend(cfg config.ServerConfig, oldbe backend.Backend, snap
consistentIndex, _ = schema.ReadConsistentIndex(oldbe.ReadTx())
}
if snapshot.Metadata.Index <= consistentIndex {
cfg.Logger.Info("Skipping snapshot backend", zap.Uint64("consistent-index", consistentIndex), zap.Uint64("snapshot-index", snapshot.Metadata.Index))
return oldbe, nil
}
cfg.Logger.Info("Recovering from snapshot backend", zap.Uint64("consistent-index", consistentIndex), zap.Uint64("snapshot-index", snapshot.Metadata.Index))
oldbe.Close()
return OpenSnapshotBackend(cfg, snap.New(cfg.Logger, cfg.SnapDir()), snapshot, hooks)
}