raft: update unstable when calling stableTo with 0

It should update unstable in this case because it may happen that raft only writes entry 0 into stable storage.
2014-11-11 16:10:03 -08:00
parent ac77971f99
commit 7dba92dd53
3 changed files with 23 additions and 7 deletions
--- a/raft/node.go
+++ b/raft/node.go
@ -298,9 +298,7 @@ func (n *node) run(r *raft) {
 			if prevHardSt.Commit != 0 {
 				r.raftLog.appliedTo(prevHardSt.Commit)
 			}
-			if prevLastUnstablei != 0 {
-				r.raftLog.stableTo(prevLastUnstablei)
-			}
+			r.raftLog.stableTo(prevLastUnstablei)
 			advancec = nil
 		case <-n.done:
 			return