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fix(os_mon): fix wrongly high mem alarm

This commit is contained in:
JimMoen 2022-03-25 19:21:03 +08:00
parent d7bd09b2e1
commit 81243b43e8
1 changed files with 2 additions and 1 deletions
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3
apps/emqx/src/emqx_os_mon.erl
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@ -162,13 +162,14 @@ start_check_timer() ->
%%The internal memsup will no longer trigger events that have been alerted, %%The internal memsup will no longer trigger events that have been alerted,
%% and there is no exported function to remove the alerted flag, %% and there is no exported function to remove the alerted flag,
%% so it can only be checked again at startup. %% so it can only be checked again at startup.
ensure_system_memory_alarm(HW) -> ensure_system_memory_alarm(HW) ->
case erlang:whereis(memsup) of case erlang:whereis(memsup) of
undefined -> undefined ->
ok; ok;
_Pid -> _Pid ->
{Total, Allocated, _Worst} = memsup:get_memory_data(), {Total, Allocated, _Worst} = memsup:get_memory_data(),
case Total =/= 0 andalso Allocated / Total * 100 > HW of case Total =/= 0 andalso Allocated / Total > HW of
true -> emqx_alarm:activate(high_system_memory_usage, #{high_watermark => HW}); true -> emqx_alarm:activate(high_system_memory_usage, #{high_watermark => HW});
false -> ok false -> ok
end end