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MMM和MHA的对比和应用(PPT分享)_MySQL

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2016-06-01 13:07:362078browse

分享主题:MySQL高可用架构 --- MMM&MHA在大众点评应用和改进

内容简介:本次演讲,主要讲述以下几个方面

1. MMM在点评网是如何使用的

2. 细数MMM上踩过的坑以及如何填坑

3. MMM和MHA之间的抉择

PPT下载链接:http://pan.baidu.com/s/1mg3G2MW

大会链接:http://meeting.zhdba.com/2014dtcc

 

 

以下是一些大纲:

  • Why we need a HA solution

  • MMM in DP

  • MHA in DP

When We Need to Switch Server

 

  • Master Server down

  • Master Server maintenance

    • Logical  :  DDL on big table

    • Physical:  memory replacement

Failover without tool:

  • Notify DBA for MySQL Failure

  • Kill old Master

  • Find the latest Slave as Master Candidate

  • Execute change Master to on each Slave

  • Direct APP to new Master IP & restart

 

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