From 588140b8423d104c530637731cd33abade1ba431 Mon Sep 17 00:00:00 2001
From: Zhongwen Deng <zhongwencool@gmail.com>
Date: Fri, 13 Jan 2023 23:33:22 +0800
Subject: [PATCH] chore: why we should ingore save kernel app env when init

---
 apps/emqx/src/emqx_config.erl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/emqx/src/emqx_config.erl b/apps/emqx/src/emqx_config.erl
index 13d30f3db..ba4095daa 100644
--- a/apps/emqx/src/emqx_config.erl
+++ b/apps/emqx/src/emqx_config.erl
@@ -542,6 +542,8 @@ save_configs(AppEnvs, Conf, RawConf, OverrideConf, Opts) ->
     save_to_app_env(AppEnvs),
     save_to_config_map(Conf, RawConf).
 
+%% we ignore kernel app env,
+%% because the old app env will be used in emqx_config_logger:post_config_update/5
 -define(IGNORE_APPS, [kernel]).
 
 -spec save_to_app_env([tuple()]) -> ok.