--rpl-semi-sync-slave-kill-conn-timeout

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

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

Timeout for the mysql connection used to kill the slave io_thread's connection on master. This timeout comes into play when stop slave is executed.

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