An oversized InnoDB buffer pool will consume too many resources and can be slower than necessary. Let's see how to check if we can shrink it.
InnoDB buffer pool is the most important memory area to allocate. It contains the most frequently read data and index entries from InnoDB tables. Let's see how to check if it is big enough.
Transactions can be read only. This article explains what read only transactions are and why we should use them when appropriate.
In MariaDB and MySQL, all tables should have a primary key – especially InnoDB tables. Here's why.