[mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql. sock user=mysql #innodb settings innodb_log_file_size=100M innodb_additional_mem_pool_size=20M innodb_flush_log_at_trx_commit=2 innodb_lock_wait_timeout=1800 innodb_buffer_pool_size=20G #other vars net_read_timeout=120 skip-locking skip-name-resolve table_cache=2048 thread_cache_size=16 back_log=100 max_connect_errors=10000 open-files-limit=20000 interactive_timeout=3600 wait_timeout=1800 max_connections=200 key_buffer_size=1G connect_timeout=120 #skip-name-resolve max_allowed_packet=16M tmp_table_size=64M max_heap_table_size=64M query_cache_size=256M sort_buffer_size=1M read_buffer_size=1M read_rnd_buffer_size=8M join_buffer_size=3Mold_passwords=1 Đối với vps Centos