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server/mvcc: should update currentRev in revMu

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Signed-off-by: Wei Fu <fuweid89@gmail.com>
This commit is contained in:
Wei Fu
2024-04-24 11:08:33 +08:00
parent c06b17b9ff
commit 0af22abc6c
1 changed files with 11 additions and 11 deletions
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22
server/mvcc/kvstore.go
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@@ -380,6 +380,17 @@ func (s *store) restore() error {
if s.currentRev < s.compactMainRev {
s.currentRev = s.compactMainRev
}
// If the latest revision was a tombstone revision and etcd just compacted
// it, but crashed right before persisting the FinishedCompactRevision,
// then it would lead to revision decreasing in bbolt db file. In such
// a scenario, we should adjust the current revision using the scheduled
// compact revision on bootstrap when etcd gets started again.
//
// See https://github.com/etcd-io/etcd/issues/17780#issuecomment-2061900231
if s.currentRev < scheduledCompact {
s.currentRev = scheduledCompact
}
s.revMu.Unlock()
}
@@ -402,17 +413,6 @@ func (s *store) restore() error {
}
}
// If the latest revision was a tombstone revision and etcd just compacted
// it, but crashed right before persisting the FinishedCompactRevision,
// then it would lead to revision decreasing in bbolt db file. In such
// a scenario, we should adjust the current revision using the scheduled
// compact revision on bootstrap when etcd gets started again.
//
// See https://github.com/etcd-io/etcd/issues/17780#issuecomment-2061900231
if s.currentRev < scheduledCompact {
s.currentRev = scheduledCompact
}
tx.Unlock()
s.lg.Info("kvstore restored", zap.Int64("current-rev", s.currentRev))