MySQL Source Series: 1: The Spy article

1: Download the source code

Http://cdn.mysql.com/Downloads/MySQL-5.6/mysql-5.6.25.tar.gz

http://dev.mysql.com/downloads/mysql/

2: The root directory structure after decompression

Directory structure of the 3:INNODB storage engine:

Mysql-5.6.25\storage\innobase

4: Directory Introduction

The implementation of the btr:b+ tree.

BUF: Buffer pool implementation, including LRU algorithm, flush refresh algorithm and so on.

Dict:innodb the implementation of the memory data dictionary for the storage Engine.

Dyn:innodb the implementation of a dynamic array of storage engines.

Fil:innodb the file data structure in the storage engine and some operations on the file.

FSP: Can be understood as file space, which is the management of the physical files of the InnoDB storage engine, such as pages, extents, segments, etc.

HA: the implementation of the hashing algorithm.

Handler: inherited from MySQL's handler, plug-in storage engine implementation.

IBUF: The implementation of the insert buffer.

Include:innodb Place the header file (. h. ic) files in this folder.

Lock:innodb the implementation of storage engine locks, such as s-locks, X-locks, and some column algorithms that define locks.

LOG: The implementation of journal buffering and reassembly log files.

MEM: The implementation of the secondary buffer pool. The memory used to request some data structures.

MTR: The underlying realization of things.

OS: Encapsulates some operations on the operating system.

Page: The implementation of the pages.

Row: Operation for various types of row data.

SRV: Design for INNODB storage engine parameters.

Implementation of SYNC:INNODB storage engine mutex (mutex)

TRX: The realization of things

UT: Tool class

MySQL Source Series: 1: The Spy article