[root@localhost mysql]# systemctl status mysqld.service
● mysqld.service - MySQL Server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
Active: failed (Result: start-limit) since Wed 2021-05-26 11:26:22 CST; 3h 51min ago
Docs: man:mysqld(8)
http://dev.mysql.com/doc/refman/en/using-systemd.html
Main PID: 25945 (code=exited, status=0/SUCCESS)
May 26 11:26:21 localhost.localdomain systemd[1]: Failed to start MySQL Server.
May 26 11:26:21 localhost.localdomain systemd[1]: Unit mysqld.service entered failed state.
May 26 11:26:21 localhost.localdomain systemd[1]: mysqld.service failed.
May 26 11:26:22 localhost.localdomain systemd[1]: mysqld.service holdoff time over, scheduling restart.
May 26 11:26:22 localhost.localdomain systemd[1]: start request repeated too quickly for mysqld.service
May 26 11:26:22 localhost.localdomain systemd[1]: Failed to start MySQL Server.
May 26 11:26:22 localhost.localdomain systemd[1]: Unit mysqld.service entered failed state.
May 26 11:26:22 localhost.localdomain systemd[1]: mysqld.service failed.