Не меняются значения в my.cnf [ MySQL]?

Всем Привет!

Имеется веб-сервер Apache+MySQL на Ubuntu Server 16.04. сайт с CMS Битрикс.
Возникла проблема с изменением параметров в my.cnf
а именно с
table_open_cache
значение не меняется, и равно 400

Делал так, через mysqladmin
SET GLOBAL table_open_cache = 10240;

менял и в файле /etc/mysql/my.cnf

Файл my.cnf
# # Basic mysql configuration. Use bvat for advanced settings. # Parameters set by bvat are stored in /etc/mysql/conf.d/bvat.cnf. # If you want to change any parameter, you'll have to redefine it in /etc/mysql/conf.d/z_bx_custom.cnf # [client] port = 3306 socket = /var/run/mysqld/mysqld.sock default-character-set = utf8 [mysqld_safe] nice = 0 socket = /var/run/mysqld/mysqld.sock [mysqld] sync_binlog=0 # Basic mysql server configuration user = mysql port = 3306 basedir = /usr datadir = /var/lib/mysql socket = /var/run/mysqld/mysqld.sock skip-external-locking default-storage-engine = innodb pid-file = /var/run/mysqld/mysqld.pid transaction-isolation = READ-COMMITTED max_allowed_packet = 16M #myisam-recover = BACKUP expire_logs_days = 10 max_binlog_size = 100M # Cache parameters query_cache_size = 32M thread_cache_size = 32 key_buffer_size = 16M thread_stack = 2M join_buffer_size = 2M sort_buffer_size = 2M # Parameters for temporary tables tmpdir = /tmp max_heap_table_size = 32M tmp_table_size = 32M # InnoDB parameters innodb_file_per_table innodb_buffer_pool_size = 32M innodb_flush_log_at_trx_commit = 2 innodb_log_file_size = 64M innodb_flush_method = O_DIRECT # Database charset parameters character-set-server = utf8 collation-server = utf8_unicode_ci init-connect = «SET NAMES utf8 COLLATE utf8_unicode_ci» #skip-character-set-client-handshake skip-name-resolve [mysqldump] quick quote-names max_allowed_packet = 16M default-character-set = utf8 [mysql] [isamchk] key_buffer = 16M # Include additional settings #!includedir /etc/mysql/conf.d/ #pasted below # from bitrix_env # memory: 256