mysql read buffer size

Transferred from: http://blog.csdn.net/wyzxg/article/details/7700394MySQL official website configuration description Address: http://dev.mysql.com/doc/refman/5.5/en/innodb-parameters.htmlOther references:"High performance MySQL"-8.4.5 innodb buffer

InnoDB maintains a cache of data and index information to the memory of the storage area called buffer pool, which caches the most recently accessed data. By configuring the parameters of each buffer pool, we can significantly improve the

Change buffer is a special data structure that is used to modify the secondary index page when the secondary index page to be modified is not in the buffer pool. The operations on the secondary index page may be insert, UPDATE, and delete operations.

First, what is insert bufferInsert buffer is a special data structure (b + tree) that is not part of the cache, but a physical page that caches secondary index pages when the affected index page is not in buffer pool . when the buffer page is read

This blog post aims to read and understand your own books and use this picture to explain. If there are any mistakes, I hope you can correct them and share them with us for the purpose of mutual discussion. First of all, let's introduce the source

Set Change root passwordNote: How to change the root password, about the root user is the MySQL Super administrator user, it is similar to the root user inside the Linux operating system, to distinguish between the root of MySQL and the system root

Transferred from: http://blog.csdn.net/wyzxg/article/details/7700394 Other references: "High performance MySQL"-8.4.5 innodb buffer pool MySQL Technology insider InnoDB Storage Engine (second edition content updated)-2.3 InnoDB Architecture ########

The change buffer is a special data structure, caches changes to secondary index pages, affected pages The buffer pool. The buffered changes, which may result from INSERT, UPDATE, or DELETE operations (DML), is merged later when the pages ar e

MySQL source code: Innobase buffer pool bitsCN.com The Innodb buffer pool is mainly used to store accessed data pages. it is a piece of continuous memory that can be effectively managed by some algorithms. It is the largest block memory system in

-- Add users and groups [root @ zlmlocal] groupadd [root @ zlmlocal] useradd-gmysql-ssbinnologin-doptmsyqlmysql -- create a directory [root @ zlmlocal] mkdirdatamysqlmysql_3306 {data, l -- Add users and groups[Root @ zlm local] # groupadd [Root @