mysql典型配置
# The following options will be passed to all MySQL clients [client] #password = your_password port = 3306 socket = /tmp/mysql.sock # The MySQL server [mysqld] port = 3306 socket = /tmp/mysql.sock # 避免MySQL的外部锁定,减少出错几率增强稳定性 skip-locking bind-address = 172.30.6.2 datadir = /data/dbdata # 每个表使用不同的数据文件 innodb_file_per_table # 同步时跳过mysql数据库 replicate-ignore-db = mysql # 缺省使用innodb表类型 default-table-type = innodb # 缺省使用gbk字符集 default-character-set=gbk #最大连接数限制为100个 max_connections = 100 # 每个连接独立使用的内存为 sort_buffer_size+read_buffer_size+join_buffer_size sort_buffer_size = 4M read_buffer_size = 2M # 关闭自动提交选项 init_connect='set autocommit=0' # 开启慢查询日志, 仅对select操作有效, 包括不使用索引的查询. log_slow_queries # 超过此时间的查询被视为慢查询, 单位 秒. long_query_time = 3 # 最大包的大小 max_allowed_packet = 16M # key_buffer_size 仅对myisam表有效. 但由于mysql的临时表/系统表都是myisam,因此需要设置. key_buffer_size = 32M table_cache = 512 read_rnd_buffer_size = 8M myisam_sort_buffer_size = 64M thread_cache_size = 8 query_cache_size = 32M # Try number of CPU's*2 for thread_concurrency thread_concurrency = 8 # InnoDB的配置 innodb_data_home_dir = /data/dbdata/innodb innodb_data_file_path = ibdata1:1000M;ibdata2:100M:autoextend innodb_log_group_home_dir = /data/dbdata/innodb innodb_log_arch_dir = /data/dbdata/innodb innodb_buffer_pool_size = 1G innodb_additional_mem_pool_size = 20M # innodb_log_file_size 设置成innodb_buffer_pool_size的25% innodb_log_file_size = 250M # InnoDB用来往磁盘上的日志文件写操作的缓冲区的大小。明智的值是从1MB到8MB。 innodb_log_buffer_size = 8M # 关闭实时刷新事务日志的功能,非常影响insert的性能. 关闭后,mysql仍然会每秒钟刷新一次. innodb_flush_log_at_trx_commit = 0 innodb_lock_wait_timeout = 50 # 关闭XA事务 innodb_support_xa = 0 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash # Remove the next comment character if you are not familiar with SQL #safe-updates [isamchk] key_buffer = 256M sort_buffer_size = 256M read_buffer = 2M write_buffer = 2M [myisamchk] key_buffer = 256M sort_buffer_size = 256M read_buffer = 2M write_buffer = 2M [mysqlhotcopy] interactive-timeout
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