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-rw-r--r--src/rabbit_mirror_queue_slave.erl1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/rabbit_mirror_queue_slave.erl b/src/rabbit_mirror_queue_slave.erl
index f4c950a9e7..a4a40a8c94 100644
--- a/src/rabbit_mirror_queue_slave.erl
+++ b/src/rabbit_mirror_queue_slave.erl
@@ -893,6 +893,7 @@ maybe_store_ack(true, MsgId, AckTag, State = #state { msg_id_ack = MA,
%% We intentionally leave out the head where a slave becomes
%% unsynchronised: we assert that can never happen.
set_synchronised(true, State = #state { synchronised = false }) ->
+ rabbit_event:notify(queue_slave_synchronised, [{pid, self()}]),
State #state { synchronised = true };
set_synchronised(true, State) ->
State;