mysql 5.6.24性能优化配置
[root@iZ8vbbepbfwvy2jtkmpk5rZ etc]# vi my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html [mysqld] performance_schema_max_table_instances = 300 table_definition_cache = 200 table_open_cache = 128 skip-external-locking key_buffer = 8M max_allowed_packet = 100M thread_stack = 64K thread_cache_size = 4 sort_buffer = 64K net_buffer_length = 2K # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # Remove leading # to turn on a very important data integrity option: logging # changes to the binary log between backups. # log_bin # These are commonly set, remove the # and set as required. # basedir = ..... datadir = /usr/local/mysql/data port = 3306 server_id = 1 # socket = ..... # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 16M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M # Uncomment the following if you are using InnoDB tables innodb_data_home_dir = /usr/local/mysql/data innodb_log_group_home_dir = /usr/local/mysql/data innodb_buffer_pool_size = 16M innodb_additional_mem_pool_size = 2M innodb_log_file_size = 5M innodb_log_buffer_size = 8M innodb_flush_log_at_trx_commit = 2 innodb_lock_wait_timeout = 50 innodb_file_per_table = 1 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash # Remove the next comment character if you are not familiar with SQL #safe-updates [myisamchk] key_buffer_size = 4M sort_buffer_size = 8M read_buffer = 2M write_buffer = 2M [mysqlhotcopy] interactive-timeout sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES