[mysqld] basedir = /data/mysql datadir = /data/mysqldata tmpdir = /data/mysqltmpdata //mysql的查询临时目录，避免因为磁盘空间不足，造成相关粗偶 port = 3306 socket = /data/mysql/mysql.sock init-connect='SET NAMES utf8' //连接的字符集为utf8 character-set-server = utf8 //系统的默认字符集为utf8 lower_case_table_names = 1 back_log = 1024 max_connections = 5000 max_connect_errors = 100000 expire_logs_days = 5 max_allowed_packet = 16M binlog_cache_size = 5M max_heap_table_size = 32M tmp_table_size = 32M sort_buffer_size = 8M join_buffer_size = 8M ft_min_word_len = 4 thread_stack = 254K thread_cache_size = 100 query_cache_type = 0 query_cache_size = 0 log-bin=master-bin binlog-format=ROW //二进制日志格式为ROW模式 log-error=/var/log/mysqld.log slow_query_log = 1 slow-query-log-file = mysql-slow.log long_query_time = 1 server-id = 31 replicate-ignore-db=test //主从复制跳过test库及相关表，以及mysql库及相关表 replicate-wild-ignore-table=test.% replicate-ignore-db=mysql replicate-wild-ignore-table=mysql.% skip-slave-start log_slave_updates wait_timeout = 28800 interactive_timeout = 28800 skip-name-resolve=on skip-external-locking default-storage-engine = InnoDB transaction_isolation = REPEATABLE-READ innodb_buffer_pool_size = 9G //此处的值大概为系统总内存的70%-80% innodb_strict_mode = 1 innodb_file_per_table = 1 innodb-open-files = 655350 innodb_write_io_threads=16 innodb_read_io_threads=16 innodb_thread_concurrency = 0 innodb_io_capacity=1000 innodb_flush_log_at_trx_commit = 1 innodb_log_buffer_size = 32M innodb_log_file_size = 512M innodb_log_files_in_group = 2 innodb_adaptive_flushing = 1 innodb_max_dirty_pages_pct = 90 innodb_lock_wait_timeout = 120 innodb_fast_shutdown = 0 innodb_flush_method = O_DIRECT innodb_stats_on_metadata = 0 innodb_buffer_pool_instances = 8 sysdate-is-now performance_schema sql_mode='' auto_increment_offset=1 //自增字段的起始值为1 auto_increment_increment=2 //自增的间距为2 [mysqldump] quick max_allowed_packet = 16M [mysql] default-character-set=utf8 pager=more no-auto-rehash socket = /data/mysql/mysql.sock //添加此处配置为了避免因为单独配置mysql的sock文件，造成无法使用mysql命令直接连接 [myisamchk] key_buffer = 512M sort_buffer_size = 512M read_buffer = 8M write_buffer = 8M [mysqlhotcopy] interactive-timeout [mysqld_safe] pid-file=/var/run/mysqld/mysqld.pid open-files-limit = 65535 user = mysql