> 
> Please set log_warnings at 2 if you want the warnings for connection
> aborted due to errors or timeout.
> 

ok done

> 
> What is your wait_timeout server option set to? If it's too low and the
> connection is idle, it will be closed by the server. But generally, the
> application should properly handle the loss of connection.

I think it is the default

wait_timeout  | 28800

> 
> 
>       I added log_warnings = 9
> 
>       and see a lot of these :
> 
>       mysqld: 2023-11-13 13:53:34 438 [Warning] Aborted connection 438 to
> db: 'xxxxx' user: 'xxxx' host: 'xxxxx' (CLOSE_CONNECTION)
> 
>       Why is this a warning? This is already generated by simple
> mysqli_connect with mysqli_close.
> 
> 
> 
>       > how to debug this?
>       >
>       > >
>       > > Ever since I switched from the default included centos mariadb to
> your
>       > > repo. The web applications are getting ~1 once a week connection
> refused
>       > or
>       > > so. I have already scheduled a cron job to restart your server.
> But still
>       > > that is not enough.
>       > >
>       > > In the previous 10 years or so I never had such issue nor do I
> have such
>       > > issues with postgresql.
>       > >
>       > > Nothing is in the log file, only the restart. Should such things
> not be
>       > > logged by default? How to configure that issues resulting in
> refusing
>       > > access or being unable to give access are logged?
>       > >
>       > >
>       >
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