skip-external-locking skip-name-resolve back_log= key_buffer_size=384M max_allowed_packet=4M thread_stack=256k sort_buffer_size=6M read_buffer_size=4M thread_cache_size= query_cache_size=64M tmp_table_size=256M max_connections= wait_timeout= thread_concurrency= innodb_flush_log_at_trx_commit= innodb_log_buffer_size=2M innodb_thread_concurrency= tmp_table_size=64M read_rnd_buffer_size=16M sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES explicit_defaults_for_timestamp