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raft:improve the lease #152

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raft:improve the lease #152

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dce1422
improve the lease
1797818494 Feb 3, 2024
6cb4240
fix name
1797818494 Feb 3, 2024
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2 changes: 1 addition & 1 deletion raft.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1062,7 +1062,7 @@ func (r *raft) Step(m pb.Message) error {
case m.Term > r.Term:
if m.Type == pb.MsgVote || m.Type == pb.MsgPreVote {
force := bytes.Equal(m.Context, []byte(campaignTransfer))
inLease := r.checkQuorum && r.lead != None && r.electionElapsed < r.electionTimeout
inLease := r.checkQuorum && r.lead != None && r.electionElapsed < r.electionTimeout && r.lead != m.From
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if !force && inLease {
// If a server receives a RequestVote request within the minimum election timeout
// of hearing from a current leader, it does not update its term or grant its vote
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