# The following options will be passed to all MySQL clients[client]character-set-server = utf8 #####客户端默认连接字集集# The following options will be passed to all MySQL clients[client]character-set-server = utf8 #####客户端默认连接字集集,若编译安装时已指定则不用填写port = 3306 ###客户端连接通信端口socket = /tmp/mysql.sock #客户端通信的用户密码端口等信息保存文件# Here follows entries for some specific programs# The MySQL server[mysqld]port = 3306 #mysql服务端监听端口basedir = /usr/local/mysql ###Mysql软件目录datadir = /usr/local/mysql/var ###mysql数据库存放目录socket = /tmp/mysql.sock ##服务端通信文件,若丢失则重启Mysql重新生成,若重启失败,则可能由于mysqld进程未杀死,用pkill mysql后则能重启成功Mysql pid-file =/usr/local/mysql/var/mysql.pid ##服务端pid进程文件,若丢失则重启Mysql重新生成,若重启失败,则可能由于mysqld进程未杀死,用pkill mysql后则能重启成功Mysql skip-external-locking ###防止外部锁定表skip-name-resolve ###禁止Mysqlr的DNS解析,只能通过IP连接数据库key_buffer_size = 384M ###仅针对Myisam表引擎缓存优化max_allowed_packet = 32M ###客户端最大查询表使用的内存table_open_cache = 1024 ###服务器最大缓存表数量sort_buffer_size = 2M ##每个连接的最大排序内存join_buffer_size = 1M ##每个连接使用join查询语句的最大内存net_buffer_length = 1M read_buffer_size = 2M read_rnd_buffer_size = 16M myisam_sort_buffer_size = 128M thread_cache_size = 300 query_cache_size = 256M query_cache_limit = 2M thread_concurrency = 4 ##CPU*2 wait_timeout = 120 ###SQL语句最大执行时间max_connections = 5000 ###允许数据库最大连接数max_connect_errors = 6000 ##允许客户端连接数据库出错次数,能防止暴力破解数据库密码character-set-server = utf8 ##服务器和数据库默认字符集collation-server = utf8_general_ci ###客户端校正字符集log_slow_queries = slowquery.log ##慢查询日志文件long_query_time = 3 ###慢查询时间myisam_recover ###mysql重启自动修复MYisam表replicate-ignore-db = mysql ###数据同步时不需要同步的数据库名称replicate-ignore-db = information_schema bind-address = 121.14.145.96 ##服务器多个IP时写上比较重要# Don't listen on a TCP/IP port at all. This can be a security enhancement,# if all processes that need to connect to mysqld run on the same host.
# All interaction with mysqld must be made via Unix sockets or named pipes.
# Note that using this option without enabling named pipes on Windows# (via the "enable-named-pipe" option) will render mysqld useless!##skip-networking# Replication Master Server (default)# binary logging is required for replication log-bin=mysql-bin# binary logging format - mixed recommended binlog_format=mixed# required unique id between 1 and 2^32 - 1# defaults to 1 if master-host is not set# but will not function as a master if omitted server-id = 1# Uncomment the following if you are using InnoDB tables#innodb_data_home_dir = /usr/local/mysql/var#innodb_data_file_path = ibdata1:10M:autoextend#innodb_log_group_home_dir = /usr/local/mysql/var# You can set .._buffer_pool_size up to 50 - 80 %# of RAM but beware of setting memory usage too high#innodb_buffer_pool_size = 16M#innodb_additional_mem_pool_size = 2M# Set .._log_file_size to 25 % of buffer pool size#innodb_log_file_size = 5M#innodb_log_buffer_size = 8M#innodb_flush_log_at_trx_commit = 1#innodb_lock_wait_timeout = 50[mysqldump]quick max_allowed_packet = 32M[mysql]no-auto-rehash# Remove the next comment character if you are not familiar with SQL#safe-updates[myisamchk]key_buffer_size = 256M sort_buffer_size = 256M read_buffer = 2M write_buffer = 2M[mysqlhotcopy]interactive-timeout，