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chore: update emqx.conf's note

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某文 2023-04-18 20:18:46 +08:00
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commit 444196922c
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apps/emqx_conf/etc/emqx_conf.conf
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## NOTE:
## The order of priority for configuration is:
## environment variables, 'etc/emqx.conf', and 'data/configs/cluster.hocon'.
## 1. Settings in environment variables starting with 'EMQX_' are given the highest priority.
## 2. Configuration settings in the 'etc/emqx.conf' file may be overwritten by environment variables.
## 3. Changes made through the EMQX dashboard UI, management HTTP API, or CLI
## overwrite the 'data/configs/cluster.hocon' file at runtime.
## 4. If you modify a configuration setting using the API, the change takes effect immediately.
## 5. However, if the same setting is configured differently in the 'etc/emqx.conf' file,
## 'etc/emqx.conf' takes priority after a reboot.
## The EMQX configuration is prioritized (overlayed) in the following order:
## `cluster.hocon < emqx.conf < environment variables`.
## Settings in environment variables that begin with 'EMQX_' have the highest priority
## and will override any settings in the `etc/emqx.conf` file.
## Changes made through the EMQX dashboard UI, management HTTP API, or CLI
## will be written into the `data/configs/cluster.hocon` file at runtime and will take effect immediately.
## However, if the same configuration items are set differently in the `etc/emqx.conf` file,
## the runtime updates will be overridden by the settings in `etc/emqx.conf` after the node restarts.
## To avoid confusion, it is highly recommend NOT to have the same config keys in both `cluster.hocon` and `emqx.conf`.
## All configuration details can be found in emqx.conf.example