Added sync_all for queue_index, trap exits in amqqueue_process, make sure that terminate calls terminate in variable_queue which calls through into terminate in queue_process.

src/rabbit_amqqueue_process.erl

@@ -98,6 +98,7 @@ start_link(Q) ->
 
 init(Q = #amqqueue { name = QName }) ->
     ?LOGDEBUG("Queue starting - ~p~n", [Q]),
+    process_flag(trap_exit, true),
     ok = rabbit_memory_manager:register
            (self(), false, rabbit_amqqueue, set_storage_mode, [self()]),
     VQS = rabbit_variable_queue:init(QName),
@@ -113,6 +114,8 @@ init(Q = #amqqueue { name = QName }) ->
     {ok, State, hibernate,
      {backoff, ?HIBERNATE_AFTER_MIN, ?HIBERNATE_AFTER_MIN, ?DESIRED_HIBERNATE}}.
 
+terminate(shutdown, #q{variable_queue_state = VQS}) ->
+    _VQS = rabbit_variable_queue:terminate(VQS);
 terminate(_Reason, State = #q{variable_queue_state = VQS}) ->
     %% FIXME: How do we cancel active subscriptions?
     %% Ensure that any persisted tx messages are removed;

src/rabbit_queue_index.erl

@@ -32,7 +32,7 @@
 -module(rabbit_queue_index).
 
 -export([init/1, terminate/1, terminate_and_erase/1, write_published/4,
-         write_delivered/2, write_acks/2, flush_journal/1,
+         write_delivered/2, write_acks/2, flush_journal/1, sync_all/1,
          read_segment_entries/2, next_segment_boundary/1, segment_size/0,
          find_lowest_seq_id_seg_and_next_seq_id/1, start_msg_store/1]).
 
@@ -229,6 +229,16 @@ full_flush_journal(State) ->
         {false, State1} -> State1
     end.
 
+sync_all(State = #qistate { hc_state = HCState, seg_num_handles = SegHdls }) ->
+    HCState1 =
+        dict:fold(
+          fun (_Key, Hdl, HCStateN) ->
+                  {ok, HCStateM} =
+                      horrendously_dumb_file_handle_cache:sync(Hdl, HCStateN),
+                  HCStateM
+          end, HCState, SegHdls),
+    State #qistate { hc_state = HCState1 }.
+
 flush_journal(State = #qistate { journal_ack_count = 0 }) ->
     {false, State};
 flush_journal(State = #qistate { journal_ack_dict = JAckDict,

src/rabbit_variable_queue.erl

@@ -31,10 +31,10 @@
 
 -module(rabbit_variable_queue).
 
--export([init/1, publish/2, publish_delivered/2, set_queue_ram_duration_target/2,
-         remeasure_egress_rate/1, fetch/1, ack/2, len/1, is_empty/1,
-         maybe_start_prefetcher/1, purge/1, delete/1, requeue/2,
-         tx_publish/2, tx_rollback/2, tx_commit/4, do_tx_commit/4]).
+-export([init/1, terminate/1, publish/2, publish_delivered/2,
+         set_queue_ram_duration_target/2, remeasure_egress_rate/1, fetch/1,
+         ack/2, len/1, is_empty/1, maybe_start_prefetcher/1, purge/1, delete/1,
+         requeue/2, tx_publish/2, tx_rollback/2, tx_commit/4, do_tx_commit/4]).
 
 %%----------------------------------------------------------------------------
 
@@ -140,6 +140,9 @@ init(QueueName) ->
                   },
     maybe_load_next_segment(State).
 
+terminate(State = #vqstate { index_state = IndexState }) ->
+    State #vqstate { index_state = rabbit_queue_index:terminate(IndexState) }.
+
 publish(Msg, State) ->
     publish(Msg, false, false, State).
 
@@ -383,9 +386,10 @@ do_tx_commit(Pubs, AckTags, From, State) ->
                   {[SeqId | SeqIdsAcc], StateN1}
           end, {[], State}, Pubs),
     %% TODO need to do something here about syncing the queue index, PubSeqIds
-    State2 = ack(AckTags, State1),
+    State2 = #vqstate { index_state = IndexState } = ack(AckTags, State1),
+    IndexState1 = rabbit_queue_index:sync_all(IndexState),
     gen_server2:reply(From, ok),
-    State2.
+    State2 #vqstate { index_state = IndexState1 }.
 
 %%----------------------------------------------------------------------------