[mysqld] innodb_buffer_pool_size = 2G innodb_buffer_pool_instances = 2 innodb_log_buffer_size = 128M innodb_log_file_size = 512M innodb_flush_log_at_trx_commit = 0 # mysql2 0.5.x (Rails 5.2) — keep native password until Ruby/mysql2 upgrade default_authentication_plugin=mysql_native_password