--tcp-keepalive-probes

This is a command-line option for the mariadbd & mysqld commands (arg: Required).

In 10.5 ES, 10.5 CS, 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS:

The number of unacknowledged probes to send before considering the connection dead and notifying the application layer.If set to 0, system dependent default is used. (Automatically configured unless set explicitly)

In 10.2 ES, 10.2 CS:

Not present

See also: Options for mariadbd & mysqld in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS