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fix: monitor rate default 0

This commit is contained in:
DDDHuang 2022-04-16 15:05:16 +08:00
parent 20b34364d9
commit dbadf50cee
1 changed files with 12 additions and 1 deletions
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13
apps/emqx_dashboard/src/emqx_dashboard_monitor.erl
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@ -18,6 +18,8 @@
-include("emqx_dashboard.hrl"). -include("emqx_dashboard.hrl").
-include_lib("emqx/include/logger.hrl").
-behaviour(gen_server). -behaviour(gen_server).
-boot_mnesia({mnesia, [boot]}). -boot_mnesia({mnesia, [boot]}).
@ -128,7 +130,16 @@ current_rate() ->
current_rate(all) -> current_rate(all) ->
current_rate(); current_rate();
current_rate(Node) when Node == node() -> current_rate(Node) when Node == node() ->
do_call(current_rate); try
{ok, Rate} = do_call(current_rate),
{ok, Rate}
catch _E:R:_S ->
?SLOG(warning, #{msg => "Dashboard monitor error", reason => R}),
%% Rate map 0, ensure api will not crash.
%% When joining cluster, dashboard monitor restart.
Rate0 = [{Key, 0} || Key <- ?GAUGE_SAMPLER_LIST ++ maps:values(?DELTA_SAMPLER_RATE_MAP)],
{ok, maps:from_list(Rate0)}
end;
current_rate(Node) -> current_rate(Node) ->
case emqx_dashboard_proto_v1:current_rate(Node) of case emqx_dashboard_proto_v1:current_rate(Node) of
{badrpc, Reason} -> {badrpc, Reason} ->