noahshaw11 commented on a change in pull request #3766:
URL: https://github.com/apache/couchdb/pull/3766#discussion_r773496959
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File path: src/smoosh/src/smoosh_channel.erl
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@@ -194,21 +215,128 @@ handle_info(check_window, State0) ->
end,
erlang:send_after(60 * 1000, self(), check_window),
{noreply, FinalState};
+handle_info(persist_queue, State0) ->
+ #state{waiting = Queue} = State0,
+ write_state_to_file(State0),
+ smoosh_priority_queue:write_to_file(Queue),
+ Checkpoint =
+ config:get_integer(
+ "smoosh", "state_checkpoint_interval_in_sec",
?DEFAULT_CHECKPOINT_INTERVAL_IN_SEC
+ ) * 1000,
+ erlang:send_after(Checkpoint, self(), persist_queue),
+ {noreply, State0};
handle_info(pause, State0) ->
- {ok, State} = code_change(nil, State0, nil),
+ State = maybe_open_queue(State0),
{noreply, State#state{paused = true}};
handle_info(unpause, State0) ->
- {ok, State} = code_change(nil, State0, nil),
+ State = maybe_open_queue(State0),
{noreply, maybe_start_compaction(State#state{paused = false})}.
-terminate(_Reason, _State) ->
+terminate(_Reason, #state{name = Name, waiting = Q}) ->
+ file:delete(active_file_name(Name)),
Review comment:
You are correct that this would erase the states on any restart.
However, the state files will need to be cleaned up at some point. This can be
either manual or automatic (maybe on some interval or on a successful restore?).
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