This configuration file includes some common settings to optimize MySQL or MariaDB performance, such as the innodb_buffer_pool_size, query_cache_size, and wait_timeout parameters.

Buffer pool 的結構是 "a linked list of pages"，一個 page 可以存若干個 rows，新增／移除 cache 的單位是 page，buffer pool 使用的 replacement policy 是 ==LRU 的變體==，每當有新的 page 要被加入但空間不夠時 ...