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	<title>臭皮匠 &#187; mysqldumpslow</title>
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		<title>mysqldumpslow 参数</title>
		<link>http://guogoul.com/2009/06/04/mysqldumpslow/</link>
		<comments>http://guogoul.com/2009/06/04/mysqldumpslow/#comments</comments>
		<pubDate>Thu, 04 Jun 2009 11:29:15 +0000</pubDate>
		<dc:creator>john</dc:creator>
				<category><![CDATA[mysql]]></category>
		<category><![CDATA[技术]]></category>
		<category><![CDATA[mysqldumpslow]]></category>

		<guid isPermaLink="false">http://john.renren.in/?p=117</guid>
		<description><![CDATA[-s ORDER     what to sort by (t, at, l, al, r, ar etc), ‘at’ is default
t: 查询花费时间   l: lock时间    r: 返回的记录数  所有前面的a表示倒序
-r  按输出结果倒序排列
-a  不把字查询字符串与数据改成S,N
-t NUM       just show the top n queries
显示前面几条
-g PATTERN   grep: only consider stmts that include this string后边可以写一个正则匹配模式，大小写不敏感的
-l           don&#8217;t subtract lock [...]]]></description>
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