message: bring in most config options from centos mysql.
diff: @@ -10,17 +10,34 @@ socket = /run/mysqld/mysqld.sock
  [mysqld]
  port = 3306
  socket = /run/mysqld/mysqld.sock
  -skip-external-locking
  +character_set_server = utf8
  +collation_server = utf8_bin
  +expire_logs_days = 10
  +ignore_db_dirs= lost+found
  +innodb_buffer_pool_size = 256M
  +innodb_file_format = Barracuda
  +innodb_large_prefix = 1
  +innodb_log_buffer_size = 32M
  +innodb_log_file_size = 100M
  +join_buffer_size = 2M
  key_buffer_size = 16M
  -max_allowed_packet = 1M
  -table_open_cache = 64
  -sort_buffer_size = 512K
  -net_buffer_length = 8K
  -read_buffer_size = 256K
  -read_rnd_buffer_size = 512K
  -myisam_sort_buffer_size = 8M
  -
  -skip-character-set-client-handshake
  +max_allowed_packet = 64M
  +max_binlog_size = 100M
  +max_connections = 400
  +max_heap_table_size = 512M
  +myisam-recover-options = BACKUP
  +query_cache_limit = 1M
  +query_cache_size = 128M
  +skip-external-locking
  +skip_name_resolve = 1
  +slow_query_log = 1
  +slow_query_log_file = /var/log/mysql-slow.log
  +table_open_cache = 200000
  +thread_cache_size = 8
  +thread_stack = 256K
  +tmp_table_size = 512M
  +tmpdir = /tmp
  +transaction-isolation = READ-COMMITTED
  skip-name-resolve
  !includedir /etc/mysql/conf.d
  