diff options
Diffstat (limited to 'lib/mnesia')
| -rw-r--r-- | lib/mnesia/src/mnesia_controller.erl | 15 | ||||
| -rw-r--r-- | lib/mnesia/src/mnesia_recover.erl | 66 | ||||
| -rw-r--r-- | lib/mnesia/src/mnesia_tm.erl | 3 |
3 files changed, 51 insertions, 33 deletions
diff --git a/lib/mnesia/src/mnesia_controller.erl b/lib/mnesia/src/mnesia_controller.erl index d488a33d67..ec67d9ec12 100644 --- a/lib/mnesia/src/mnesia_controller.erl +++ b/lib/mnesia/src/mnesia_controller.erl @@ -593,6 +593,12 @@ multicall(Nodes, Msg) -> {PatchedGood, Bad}. %% Make the replies look like rpc:multicalls.. %% rpc:multicall(Nodes, ?MODULE, call, [Msg]). +next_async_dump_log() -> + Interval = mnesia_monitor:get_env(dump_log_time_threshold), + Msg = {next_async_dump_log, time_threshold}, + Ref = erlang:send_after(Interval, self(), Msg), + Ref. + %%%---------------------------------------------------------------------- %%% Callback functions from gen_server %%%---------------------------------------------------------------------- @@ -614,9 +620,7 @@ init([Parent]) -> mnesia_lib:unset(original_nodes), mnesia_recover:connect_nodes(Diff), - Interval = mnesia_monitor:get_env(dump_log_time_threshold), - Msg = {async_dump_log, time_threshold}, - {ok, Ref} = timer:send_interval(Interval, Msg), + Ref = next_async_dump_log(), mnesia_dumper:start_regulator(), Empty = gb_trees:empty(), @@ -1121,6 +1125,11 @@ handle_sync_tabs([], _From) -> %% {stop, Reason, State} (terminate/2 is called) %%---------------------------------------------------------------------- +handle_info({next_async_dump_log, InitBy}, State) -> + async_dump_log(InitBy), + Ref = next_async_dump_log(), + noreply(State#state{dump_log_timer_ref=Ref}); + handle_info({async_dump_log, InitBy}, State) -> Worker = #dump_log{initiated_by = InitBy}, State2 = add_worker(Worker, State), diff --git a/lib/mnesia/src/mnesia_recover.erl b/lib/mnesia/src/mnesia_recover.erl index 4750291a10..b64f428f15 100644 --- a/lib/mnesia/src/mnesia_recover.erl +++ b/lib/mnesia/src/mnesia_recover.erl @@ -45,7 +45,8 @@ note_log_decision/2, outcome/2, start/0, - start_garb/0, + next_garb/0, + next_check_overload/0, still_pending/1, sync_trans_tid_serial/1, sync/0, @@ -91,10 +92,38 @@ start() -> init() -> call(init). -start_garb() -> +next_garb() -> Pid = whereis(mnesia_recover), - {ok, _} = timer:send_interval(timer:minutes(2), Pid, garb_decisions), - {ok, _} = timer:send_interval(timer:seconds(10), Pid, check_overload). + erlang:send_after(timer:minutes(2), Pid, garb_decisions). + +next_check_overload() -> + Pid = whereis(mnesia_recover), + erlang:send_after(timer:seconds(10), Pid, check_overload). + + +do_check_overload(S) -> + %% Time to check if mnesia_tm is overloaded + case whereis(mnesia_tm) of + Pid when is_pid(Pid) -> + Threshold = 100, + Prev = S#state.tm_queue_len, + {message_queue_len, Len} = + process_info(Pid, message_queue_len), + if + Len > Threshold, Prev > Threshold -> + What = {mnesia_tm, message_queue_len, [Prev, Len]}, + mnesia_lib:report_system_event({mnesia_overload, What}), + mnesia_lib:overload_set(mnesia_tm, true), + S#state{tm_queue_len = 0}; + Len > Threshold -> + S#state{tm_queue_len = Len}; + true -> + mnesia_lib:overload_set(mnesia_tm, false), + S#state{tm_queue_len = 0} + end; + undefined -> + S + end. allow_garb() -> cast(allow_garb). @@ -853,34 +882,13 @@ handle_info({connect_nodes, Ns, From}, State) -> handle_call({connect_nodes,Ns},From,State); handle_info(check_overload, S) -> - %% Time to check if mnesia_tm is overloaded - case whereis(mnesia_tm) of - Pid when is_pid(Pid) -> - - Threshold = 100, - Prev = S#state.tm_queue_len, - {message_queue_len, Len} = - process_info(Pid, message_queue_len), - if - Len > Threshold, Prev > Threshold -> - What = {mnesia_tm, message_queue_len, [Prev, Len]}, - mnesia_lib:report_system_event({mnesia_overload, What}), - mnesia_lib:overload_set(mnesia_tm, true), - {noreply, S#state{tm_queue_len = 0}}; - - Len > Threshold -> - {noreply, S#state{tm_queue_len = Len}}; - - true -> - mnesia_lib:overload_set(mnesia_tm, false), - {noreply, S#state{tm_queue_len = 0}} - end; - undefined -> - {noreply, S} - end; + State2 = do_check_overload(S), + next_check_overload(), + {noreply, State2}; handle_info(garb_decisions, State) -> do_garb_decisions(), + next_garb(), {noreply, State}; handle_info({force_decision, Tid}, State) -> diff --git a/lib/mnesia/src/mnesia_tm.erl b/lib/mnesia/src/mnesia_tm.erl index 0af7f55c06..b5b14ac05b 100644 --- a/lib/mnesia/src/mnesia_tm.erl +++ b/lib/mnesia/src/mnesia_tm.erl @@ -103,7 +103,8 @@ init(Parent) -> end, mnesia_schema:purge_tmp_files(), - mnesia_recover:start_garb(), + mnesia_recover:next_garb(), + mnesia_recover:next_check_overload(), ?eval_debug_fun({?MODULE, init}, [{nodes, AllOthers}]), |