raft: improve panic error message
Give a human being some insight into how we might have gotten to this state based on feedback from #3504.release-2.3
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d4e19d1afb
commit
68d4ec3e13
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@ -181,7 +181,7 @@ func (l *raftLog) commitTo(tocommit uint64) {
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// never decrease commit
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if l.committed < tocommit {
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if l.lastIndex() < tocommit {
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l.logger.Panicf("tocommit(%d) is out of range [lastIndex(%d)]", tocommit, l.lastIndex())
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l.logger.Panicf("tocommit(%d) is out of range [lastIndex(%d)]. Was the raft log corrupted, truncated, or lost?", tocommit, l.lastIndex())
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}
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l.committed = tocommit
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}
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