What Is Mysql Buffer Pool

The buffer pool is an area in main memory where InnoDB caches table and index data as it is accessed. The buffer pool permits frequently used data to be accessed directly from memory, which speeds up processing. On dedicated servers, up to 80% of physical memory is often assigned to the buffer pool.

What is buffer pool in database?

A buffer pool is an area of main memory that has been allocated by the database manager for the purpose of caching table and index data as it is read from disk. … Each new database has a default buffer pool defined, called IBMDEFAULTBP.

What is stored in InnoDB buffer pool?

The InnoDB buffer pool is a key component for optimizing MariaDB. It stores data and indexes, and you usually want it as large as possible so as to keep as much of the data and indexes in memory, reducing disk IO, as main bottleneck.