● mysql.service - LSB: Start and stop the mysql database server daemon
   Loaded: loaded (/etc/init.d/mysql; bad; vendor preset: enabled)
   Active: active (running) since Thu 2018-07-19 14:54:22 UTC; 10min ago
     Docs: man:systemd-sysv-generator(8)
    Tasks: 26
   Memory: 140.4M
      CPU: 1.680s
   CGroup: /system.slice/mysql.service
           ├─21131 /bin/bash /usr/bin/mysqld_safe
           ├─21294 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --skip-log-error --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/run
           └─21295 logger -t mysqld -p daemon error

Jul 19 14:54:21 controller mysqld[21295]: 180719 14:54:21 [Note] InnoDB: 128 rollback segment(s) are active.
Jul 19 14:54:21 controller mysqld[21295]: 180719 14:54:21 [Note] InnoDB: Waiting for purge to start
Jul 19 14:54:21 controller mysqld[21295]: 180719 14:54:21 [Note] InnoDB:  Percona XtraDB (http://www.percona.com) 5.6.36-83.0 started; log sequence number 1616737
Jul 19 14:54:21 controller mysqld[21295]: 180719 14:54:21 [Note] Plugin 'FEEDBACK' is disabled.
Jul 19 14:54:21 controller mysqld[21295]: 180719 14:54:21 [Note] Server socket created on IP: '55.0.51.101'.
Jul 19 14:54:21 controller mysqld[21295]: 180719 14:54:21 [Warning] 'user' entry 'root@localhost' has both a password and an authentication plugin specified. The password will be ignored.
Jul 19 14:54:21 controller mysqld[21295]: 180719 14:54:21 [Note] /usr/sbin/mysqld: ready for connections.
Jul 19 14:54:21 controller mysqld[21295]: Version: '10.0.34-MariaDB-0ubuntu0.16.04.1'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  Ubuntu 16.04
Jul 19 14:54:22 controller mysql[21102]:    ...done.
Jul 19 14:54:22 controller systemd[1]: Started LSB: Start and stop the mysql database server daemon.