Maria DB Server Stopped By 'oom-kill' status=9/KILL in Ubuntu 22.04.2 LTS, If possible provide simple solution?

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Screenshot of Failed MariaDB When Checking Status via CMD

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root@ip-172-31-41-95:~# systemctl status mariadb
× mariadb.service - MariaDB 10.6.12 database server
     Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
     Active: failed (Result: oom-kill) since Fri 2023-10-06 13:45:36 IST; 2min 11s ago
       Docs: man:mariadbd(8)
             https://mariadb.com/kb/en/library/systemd/
    Process: 524 ExecStart=/usr/sbin/mariadbd $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=killed, signal=KILL)
   Main PID: 524 (code=killed, signal=KILL)
     Status: "Taking your SQL requests now..."
        CPU: 45min 25.240s

Oct 03 06:24:52 ip-172-31-41-95 /etc/mysql/debian-start[818]: Upgrading MySQL tables if necessary.
Oct 03 06:24:52 ip-172-31-41-95 /etc/mysql/debian-start[863]: Triggering myisam-recover for all MyISAM tables and aria-recover for all Aria tables
Oct 05 20:43:17 ip-172-31-41-95 mariadbd[524]: 2023-10-05 20:43:17 116509 [Warning] Access denied for user 'username_here'@'localhost' (using password: YES)
Oct 05 20:44:00 ip-172-31-41-95 mariadbd[524]: 2023-10-05 20:44:00 116703 [Warning] Access denied for user 'username_here'@'localhost' (using password: YES)
Oct 05 20:45:13 ip-172-31-41-95 mariadbd[524]: 2023-10-05 20:45:13 117067 [Warning] Access denied for user 'username_here'@'localhost' (using password: YES)
Oct 05 20:48:24 ip-172-31-41-95 mariadbd[524]: 2023-10-05 20:48:24 118280 [Warning] Access denied for user 'username_here'@'localhost' (using password: YES)
Oct 06 13:45:36 ip-172-31-41-95 systemd[1]: mariadb.service: A process of this unit has been killed by the OOM killer.
Oct 06 13:45:36 ip-172-31-41-95 systemd[1]: mariadb.service: Main process exited, code=killed, status=9/KILL
Oct 06 13:45:36 ip-172-31-41-95 systemd[1]: mariadb.service: Failed with result 'oom-kill'.
Oct 06 13:45:36 ip-172-31-41-95 systemd[1]: mariadb.service: Consumed 45min 25.240s CPU time.

My MariaDB Server stopped again in 2 days automatically so i want proper solution.

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