You did not read this MariaDB / MySQL Tweaks As Default & Option
Read it then add the following considering said reference is not formatted for easy read:
[mysqld]
user= mysql
pid-file= /var/lib/mysql/mysql.pid
socket= /var/lib/mysql/mysql.sock
port= 3306
datadir= /var/lib/mysql
open_files_limit=50000
max_allowed_packet=268435456
skip-name-resolve=1
innodb_buffer_pool_size=1G
innodb_log_file_size=256M
innodb_flush_method=O_DIRECT
innodb_io_capacity=1000
innodb_old_blocks_time=1000
innodb_open_files=5000
key_buffer_size=16M
read_buffer_size=256K
read_rnd_buffer_size=256K
query_cache_size=256M
query_cache_limit=5M
join_buffer_size=4M
sort_buffer_size=4M
max_heap_table_size=64M
tmp_table_size=64M
table_open_cache=4500
table_definition_cache=4000
thread_cache_size=50
Then make the following changes High Memory | High Ram - #2 by josephgodwinke