Mysql 性能优化教程

目录

目录

 

                                                                                                                                                      

 

 

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 1  

背景及目标

 

                                                                                                                                          

 

 

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 2  

Mysql 

 

 执行优化

 

                                                                                                                                   

 

 

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 2  

认识数据索引

 

                                                                                                                              

 

 

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 2  

为什么使用数据索引能提高效率

 

                                                                                      

 

 

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 2  

如何理解数据索引的结构

 

                                                                                                  

 

 

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 3  

优化实战范例

 

                                                                                                                      

 

 

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 3  

认识影响结果集

 

                                                                                                                          

 

 

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 4  

影响结果集的获取

 

                                                                                                              

 

 

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 4  

影响结果集的解读

 

                                                                                                              

 

 

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 4  

常见案例及优化思路

 

                                                                                                          

 

 

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 5  

理解执行状态

 

                                                                                                                              

 

 

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 8  

常见关注重点

 

                                                                                                                      

 

 

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 8  

执行状态分析

 

                                                                                                                      

 

 

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 8  

分析流程

 

                                                                                                                            

 

 

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 10

   

常见案例解析

 

                                                                                                                    

 

 

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 11

   

总结

 

                                                                                                                                    

 

 

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 13

   

Mysql 

 

 运维优化

 

                                                                                                                                 

 

 

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 15

   

存储引擎类型

 

                                                                                                                            

 

 

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 15

   

内存使用考量

 

                                                                                                                            

 

 

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 15

   

性能与安全性考量

 

                                                                                                                    

 

 

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 16

   

存储

 

 /  写入压力优化

 

                                                                                                                   

 

 

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 16

   

运维监控体系

 

                                                                                                                            

 

 

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 17

   

Mysql 

 

 架构优化

 

                                                                                                                                 

 

 

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 18

   

架构优化目标

 

                                                                                                                            

 

 

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 18

   

防止单点隐患

 

                                                                                                                    

 

 

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 18

   

方便系统扩容

 

                                                                                                                    

 

 

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 18

   

安全可控，成本可控

 

                                                                                                        

 

 

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 18

   

分布式方案

 

                                                                                                                                

 

 

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 19

   

分库

 

 &

   拆表方案

 

                                                                                                                 

 

 

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 19

   

反范式设计（冗余结构设计）

 

                                                                                        

 

 

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 21

   

主从架构

 

                                                                                                                            

 

 

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 23

   

故障转移处理

 

                                                                                                                    

 

 

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 23

   

缓存方案

 

                                                                                                                                    

 

 

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 24

   

缓存结合数据库的读取

 

                                                                                                    

 

 

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 24

   

缓存结合数据库的写入

 

                                                                                                    

 

 

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 24