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	<title>The Pythian Blog &#187; RAC performance myths</title>
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		<title>Oracle Performance Issue: High Kernel-Mode CPU Usage</title>
		<link>http://www.pythian.com/news/1324/oracle-performance-issue-high-kernel-mode-cpu-usage/</link>
		<comments>http://www.pythian.com/news/1324/oracle-performance-issue-high-kernel-mode-cpu-usage/#comments</comments>
		<pubDate>Thu, 30 Oct 2008 17:58:28 +0000</pubDate>
		<dc:creator>Riyaj Shamsudeen</dc:creator>
				<category><![CDATA[Oracle]]></category>
		<category><![CDATA[ccNUMA]]></category>
		<category><![CDATA[numa]]></category>
		<category><![CDATA[performance]]></category>
		<category><![CDATA[RAC performance myths]]></category>
		<category><![CDATA[scientific tuning]]></category>
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		<description><![CDATA[Recently, I resolved a performance issue with one of our esteemed clients. I found the problem interesting and worth blogging about. The problem An application makes 300 static connections to database DB1 in the database server, say CLNTDB server. The application relies on database link and over a period of time, each session executes SQL [...]]]></description>
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