Mysqld stop working

Hi,
cause of low memory i have (1GB, debian10) or something missing in the config files from mysql server? here are the logs

    sudo tail -f /var/log/mysql/error.log
    2021-07-26  7:56:28 0 [ERROR] InnoDB: mmap(137035776 bytes) failed; errno 12
    2021-07-26  7:56:28 0 [ERROR] InnoDB: Cannot allocate memory for the buffer pool
    2021-07-26  7:56:28 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error
    2021-07-26  7:56:28 0 [Note] InnoDB: Starting shutdown...
    2021-07-26  7:56:28 0 [ERROR] Plugin 'InnoDB' init function returned error.
    2021-07-26  7:56:28 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
    2021-07-26  7:56:28 0 [Note] Plugin 'FEEDBACK' is disabled.
    2021-07-26  7:56:28 0 [ERROR] Unknown/unsupported storage engine: InnoDB
    2021-07-26  7:56:28 0 [ERROR] Aborting
    ​
    sudo systemctl status mysqld
    ● mariadb.service - MariaDB 10.3.29 database server
       Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
       Active: failed (Result: exit-code) since Mon 2021-07-26 07:56:28 BST; 10h ago
         Docs: man:mysqld(8)
               https://mariadb.com/kb/en/library/systemd/
      Process: 8689 ExecStartPre=/usr/bin/install -m 755 -o mysql -g root -d /var/run/mysqld (code=exited, status=0/SUCCESS)
      Process: 8692 ExecStartPre=/bin/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0/SUCCESS)
      Process: 8696 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] && VAR= ||   VAR=`cd /usr/bin/..; /usr/bin/galera_rec
      Process: 8823 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=exited, status=1/FAILU
     Main PID: 8823 (code=exited, status=1/FAILURE)
       Status: "MariaDB server is down"
    ​
    Jul 26 07:56:23 extdebian-lon systemd[1]: Starting MariaDB 10.3.29 database server...
    Jul 26 07:56:27 extdebian-lon mysqld[8823]: 2021-07-26  7:56:27 0 [Note] /usr/sbin/mysqld (mysqld 10.3.29-MariaDB-0+deb10u1) s
    Jul 26 07:56:28 extdebian-lon systemd[1]: mariadb.service: Main process exited, code=exited, status=1/FAILURE
    Jul 26 07:56:28 extdebian-lon systemd[1]: mariadb.service: Failed with result 'exit-code'.
    Jul 26 07:56:28 extdebian-lon systemd[1]: Failed to start MariaDB 10.3.29 database server.

Thanks in advance