From: Han Zhou <hzhou@ovn.org>
Date: Sat, 29 Feb 2020 02:07:09 +0000 (-0800)
Subject: raft: Send all missing logs in one single append_request.
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=99c2dc8d04b3b697edfa02b06e127edad6ad5b28;p=mirror_ovs.git

raft: Send all missing logs in one single append_request.

When a follower needs to "catch up", leader can send N entries in
a single append_request instead of only one entry by each message.

The function raft_send_append_request() already supports this, so
this patch just calculate the correct "n" and use it.

Signed-off-by: Han Zhou <hzhou@ovn.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>
---

diff --git a/ovsdb/raft.c b/ovsdb/raft.c
index 0eb8644f3..c5c1d49a8 100644
--- a/ovsdb/raft.c
+++ b/ovsdb/raft.c
@@ -3344,7 +3344,7 @@ raft_handle_append_reply(struct raft *raft,
         raft_send_install_snapshot_request(raft, s, NULL);
     } else if (s->next_index < raft->log_end) {
         /* Case 2. */
-        raft_send_append_request(raft, s, 1, NULL);
+        raft_send_append_request(raft, s, raft->log_end - s->next_index, NULL);
     } else {
         /* Case 3. */
         if (s->phase == RAFT_PHASE_CATCHUP) {