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[3.5] Set the backend again after recovering v3 backend from snapshot #13501

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Dec 6, 2021
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[3.5] Set the backend again after recovering v3 backend from snapshot #13501

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3 changes: 3 additions & 0 deletions server/etcdserver/server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -514,6 +514,9 @@ func NewServer(cfg config.ServerConfig) (srv *EtcdServer, err error) {
if be, err = recoverSnapshotBackend(cfg, be, *snapshot, beExist, beHooks); err != nil {
cfg.Logger.Panic("failed to recover v3 backend from snapshot", zap.Error(err))
}
// A snapshot db may have already been recovered, and the old db should have
// 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",
Expand Down