append-message.patch

diff --git a/raft/raft.go b/raft/raft.go
index 281ea01..60733b6 100644
--- a/raft/raft.go
+++ b/raft/raft.go
@@ -275,6 +275,13 @@ func (r *raft) sendAppend(to uint64) {
                pr.becomeSnapshot(sindex)
                r.logger.Debugf("%x paused sending replication messages to %x [%s]", r.id, to, pr)
        } else {
+               start := pr.Next
+               if len(ents) != 0 {
+                       start = ents[0].Index
+               }
+               r.logger.Debugf("%x [firstindex: %d, commit: %d] send append[index: %d - %d, term: %d] to %x [%s]",
+                       r.id, r.raftLog.firstIndex(), r.Commit, start, start + uint64(len(ents)), term, to, pr)
+
                m.Type = pb.MsgApp
                m.Index = pr.Next - 1
                m.LogTerm = term