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raft: better logging for leader transition

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This commit is contained in:
Xiang Li 2014-10-30 08:38:16 -07:00
parent 83ca16188c
commit 46ebf69c02
1 changed files with 7 additions and 2 deletions
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9
raft/node.go
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@ -219,13 +219,18 @@ func (n *node) run(r *raft) {
}
if rd.SoftState != nil && lead != rd.SoftState.Lead {
log.Printf("raft: leader changed from %x to %x", lead, rd.SoftState.Lead)
lead = rd.SoftState.Lead
if r.hasLeader() {
if lead == None {
log.Printf("raft: elected leader %x at term %d", rd.SoftState.Lead, r.Term)
} else {
log.Printf("raft: leader changed from %x to %x at term %d", lead, rd.SoftState.Lead, r.Term)
}
propc = n.propc
} else {
log.Printf("raft: lost leader %x at term %d", lead, r.Term)
propc = nil
}
lead = rd.SoftState.Lead
}
select {