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	<title>mysql &#8211; 扫地老僧的Blog</title>
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		<title>通过关闭inno db日志flush来提高mysql主从复制速度</title>
		<link>https://doyj.com/2012/09/15/</link>
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		<dc:creator><![CDATA[oldmonk]]></dc:creator>
		<pubDate>Fri, 14 Sep 2012 20:01:21 +0000</pubDate>
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		<category><![CDATA[mysql]]></category>
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					<description><![CDATA[刚才设置mysql主从复制， 以前自己从没做过， 都是运维同学给做。设置过程很顺利， 但设置好后同步速度超慢， &#8230; <a href="https://doyj.com/2012/09/15/" class="more-link">继续阅读<span class="screen-reader-... ]]></description>
										<content:encoded><![CDATA[<p>刚才设置mysql主从复制， 以前自己从没做过， 都是运维同学给做。设置过程很顺利， 但设置好后同步速度超慢，Seconds_Behind_Master在不减反增。后来执行如下命令后速度大大加快。</p>
<p>SET GLOBAL innodb_flush_log_at_trx_commit=2;</p>
<p>估计在dba眼里是个弱智问题，不过折腾了我将近一个小时 ：（</p>
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