MySQL的Innodb缓存相关优化

时间:2022-03-27 08:43:27

MySQL的Innodb缓存相关优化

INNODB 状态的部分解释

通过 命令 SHOW STATUS LIKE  'Innodb_buffer_pool_%'
查看 

Innodb缓存使用率  (Innodb_buffer_pool_pages_total - Innodb_buffer_pool_pages_free)/Innodb_buffer_pool_pages_total
Innodb_buffer_pool_pages_total
Innodb_buffer_pool_pages_data
Innodb_buffer_pool_pages_free
Innodb_buffer_pool_pages_misc  缓存池中当前已经被用作管理用途或HASH INDEX而不能用作为普通

Innodb 读次数 Innodb_buffer_pool_read_requests
 Innodb 写次数 Innodb_buffer_pool_write_requests