# ~/.my.cnf to set user-specific options. # # On Windows you should keep this file in the installation directory # of your server (e.g. C:\Program Files\MySQL\MySQL Server X.Y). To # make sure the server reads
Please use –explicit_defaults_for_timestamp serveroption (see documentationformore details)./usr/local/mysql/bin/mysqld: File ‘/data/mysql/mysql-bin.index’ not found (Errcode: 13 – Permission denied) 2017-07-20 14:41:25 4388 [ERROR] Aborting 解决思路:遇到这样的报错信息,我们要学会时时去...
方式一:mysql安装成功后,安装目录中的support-files目录会有个mysql.server脚本文件,我们通过该文件来启动MySQL。 ls /usr/local/mysql/support-files /usr/local/mysql/support-files/mysql.server stop /usr/local/mysql/support-files/mysql.server start /usr/local/mysql/support-files/mysql.server restart /usr...
group_replication_bootstrap_group=off: * 设置是否使用这个Server来引导组,对于该系统变量的设置,建议在所有Server中都设置为off(默认为off),然后,根据需要人工选择一个Server来引导组,以便确保始终只有一个Server来引导组启动。 * 在任何时候,该系统变量都只能在一个Server上启用,通常是在第一个启动的Server上启用,...
character_set_server Value parameter changes in version 8.0.1: Default is utf8mb4 character_set_system Value parameter changes in version 8.0.1: Default is utf8mb3 check-table-functions Introduced in version 8.0.42 clone_autotune_concurrency ...
可以利用MyISAM的并发插入特性,来解决应用中对同表查询和插入的锁争用 例如,将concurrent_insert系统变量设为2,总是允许并发插入; 同时,通过定期在系统空闲时段执行OPTIONMIZE TABLE语句来整理空间碎片,收到因删除记录而产生的中间空洞 删除操作不会重整整个表,只是把 行 标记为删除,在表中留下空洞MyISAM倾向于在可...
You can also set the values of server system variables at server startup by using variable names as options. To assign a value to a server system variable, use an option of the form --var_name=value. For example, --sort_buffer_size=384M sets the sort_buffer_size variable to a value...
原因 数据库是只读模式 解决办法 修改为读写模式 mysql -uroot -p你的密码 进入mysql select @@read_only; set global read_only=0; # 顺便设置可远程连接(不需要可跳到flush privileges) use mysql; update
character-set-server = utf8 #查询缓存(比较鸡肋的功能,基本弃用) query_cache_type = 0 query_cache_size = 0M # 查询常见的一些buffer参数,需要根据实际情况调整,不可直接照搬# sort_buffer_size = 2M join_buffer_size = 2M tmp_table_size = 64M thread_stack = 192K key_buffer_size = 2M sort...
option 10) ENUM/SET column definitions containing elements longer than 255 characters No issues found 11) Usage of partitioned tables in shared tablespaces No issues found 12) Circular directory references in tablespace data file paths No issues found ...