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mysql主从复制 数据延时有关问题

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Release: 2016-06-07 16:15:38
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mysql主从复制 数据延时问题 主从都是从用innodb引擎,发生延时问题严重,把从库引擎修改为myisam引擎,暂时效果还不错。 为彻底解决该问题,参考淘宝丁奇的一些策略,打算采用Transfer方式,还在分析之中: 1. show variables like 'binlog_format';? 查看日

mysql主从复制 数据延时问题

主从都是从用innodb引擎,发生延时问题严重,把从库引擎修改为myisam引擎,暂时效果还不错。

为彻底解决该问题,参考淘宝丁奇的一些策略,打算采用Transfer方式,还在分析之中:

1. show variables like 'binlog_format';? 查看日志格式 mysql5.6?默认 statement,需要修改主库为row模式

这是从网上搜寻的动态修改方式,也可在配置文件中修改

mysql<span>></span> <span>SET</span> <span>SESSION</span> binlog_format <span>=</span> <span>'STATEMENT'</span>;
mysql<span>></span> <span>SET</span> <span>SESSION</span> binlog_format <span>=</span> <span>'ROW'</span>;
mysql<span>></span> <span>SET</span> <span>SESSION</span> binlog_format <span>=</span> <span>'MIXED'</span>;
mysql<span>></span> <span>SET</span> GLOBAL binlog_format <span>=</span> <span>'STATEMENT'</span>;
mysql<span>></span> <span>SET</span> GLOBAL binlog_format <span>=</span> <span>'ROW'</span>;
mysql<span>></span> <span>SET</span> GLOBAL binlog_format <span>=</span> <span>'MIXED'</span>;
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