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Persists Term in the (bbolt) Backend.

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Additional layer of protection, that allows to validate whether we
start replaying log not only from the proper 'index', but also of the
right 'term'.
This commit is contained in:
Piotr Tabor
2021-05-13 21:02:02 +02:00
parent e44fb40be5
commit ab586cd463
12 changed files with 89 additions and 53 deletions
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4
server/etcdserver/server.go
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@@ -2124,7 +2124,7 @@ func (s *EtcdServer) apply(
// set the consistent index of current executing entry
if e.Index > s.consistIndex.ConsistentIndex() {
s.consistIndex.SetConsistentIndex(e.Index)
s.consistIndex.SetConsistentIndex(e.Index, e.Term)
shouldApplyV3 = membership.ApplyBoth
}
@@ -2154,7 +2154,7 @@ func (s *EtcdServer) applyEntryNormal(e *raftpb.Entry) {
index := s.consistIndex.ConsistentIndex()
if e.Index > index {
// set the consistent index of current executing entry
s.consistIndex.SetConsistentIndex(e.Index)
s.consistIndex.SetConsistentIndex(e.Index, e.Term)
shouldApplyV3 = membership.ApplyBoth
}
s.lg.Debug("apply entry normal",