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	<title>Andrew Rollins &#187; Databases</title>
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		<title>MongoDB &#8220;Too Many Open Files&#8221;? Raise the limit</title>
		<link>http://www.andrewrollins.com/2010/10/20/mongodb-open-file-limit/</link>
		<comments>http://www.andrewrollins.com/2010/10/20/mongodb-open-file-limit/#comments</comments>
		<pubDate>Thu, 21 Oct 2010 01:39:48 +0000</pubDate>
		<dc:creator>Andrew</dc:creator>
				<category><![CDATA[Databases]]></category>
		<category><![CDATA[MongoDB]]></category>

		<guid isPermaLink="false">http://www.andrewrollins.com/?p=314</guid>
		<description><![CDATA[This blog post is intended to supplement the &#8220;Too Many Open Files&#8221; page in the mongoDB docs. Raising the file limit for MongoDB If you installed from the Ubuntu/Debian package, then there is a simple way to increase the open file limit. &#8230; <a href="http://www.andrewrollins.com/2010/10/20/mongodb-open-file-limit/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
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		<slash:comments>3</slash:comments>
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		<title>MongoDB Sharding</title>
		<link>http://www.andrewrollins.com/2010/02/21/mongodb-sharding/</link>
		<comments>http://www.andrewrollins.com/2010/02/21/mongodb-sharding/#comments</comments>
		<pubDate>Sun, 21 Feb 2010 21:18:22 +0000</pubDate>
		<dc:creator>Andrew</dc:creator>
				<category><![CDATA[Databases]]></category>
		<category><![CDATA[MongoDB]]></category>

		<guid isPermaLink="false">http://www.andrewrollins.com/?p=261</guid>
		<description><![CDATA[Messed around today with MongoDB sharding on version 1.2.2. It was pretty easy to setup. All I had to do was: Download MongoDB Do this setup Here&#8217;s the question that prompted me to try it: does MongoDB only fetch the &#8230; <a href="http://www.andrewrollins.com/2010/02/21/mongodb-sharding/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Database Normalization: First, Second, and Third Normal Forms</title>
		<link>http://www.andrewrollins.com/2009/08/11/database-normalization-first-second-and-third-normal-forms/</link>
		<comments>http://www.andrewrollins.com/2009/08/11/database-normalization-first-second-and-third-normal-forms/#comments</comments>
		<pubDate>Wed, 12 Aug 2009 00:16:20 +0000</pubDate>
		<dc:creator>Andrew</dc:creator>
				<category><![CDATA[Databases]]></category>

		<guid isPermaLink="false">http://www.andrewrollins.com/?p=227</guid>
		<description><![CDATA[I read a great explanation of first, second, and third normal form a few weeks ago. For those that know what database normalization is but haven&#8217;t seen the &#8220;forms&#8221;, the different forms are essentially rules for having a well normalized &#8230; <a href="http://www.andrewrollins.com/2009/08/11/database-normalization-first-second-and-third-normal-forms/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
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		<slash:comments>2</slash:comments>
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		<title>MySQL Join Performance</title>
		<link>http://www.andrewrollins.com/2009/06/21/mysql-join-performance/</link>
		<comments>http://www.andrewrollins.com/2009/06/21/mysql-join-performance/#comments</comments>
		<pubDate>Sun, 21 Jun 2009 16:14:45 +0000</pubDate>
		<dc:creator>Andrew</dc:creator>
				<category><![CDATA[Databases]]></category>
		<category><![CDATA[MySQL]]></category>
		<category><![CDATA[Ruby]]></category>

		<guid isPermaLink="false">http://www.andrewrollins.com/?p=200</guid>
		<description><![CDATA[Earlier this week I was curious about the performance of JOINs in MySQL. How severe is the performance hit of joins? How much slower is a string join over an integer join? I decided to do some tests, and I’m &#8230; <a href="http://www.andrewrollins.com/2009/06/21/mysql-join-performance/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
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		<slash:comments>3</slash:comments>
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		<title>On Database Abstraction, PHP, and Ruby</title>
		<link>http://www.andrewrollins.com/2008/05/31/on-database-abstraction-php-and-ruby/</link>
		<comments>http://www.andrewrollins.com/2008/05/31/on-database-abstraction-php-and-ruby/#comments</comments>
		<pubDate>Sat, 31 May 2008 21:50:17 +0000</pubDate>
		<dc:creator>Andrew</dc:creator>
				<category><![CDATA[Databases]]></category>
		<category><![CDATA[Ruby]]></category>
		<category><![CDATA[Web Design]]></category>
		<category><![CDATA[php]]></category>
		<category><![CDATA[ruby on rails]]></category>

		<guid isPermaLink="false">http://www.andrewrollins.com/?p=128</guid>
		<description><![CDATA[It took me a couple days on my current PHP/MySQL project to get the DB abstraction with proper error handling, input validation, and relational support coded to the point where I&#8217;m happy with the model. This was after trying Zend_Db, &#8230; <a href="http://www.andrewrollins.com/2008/05/31/on-database-abstraction-php-and-ruby/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
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		<slash:comments>3</slash:comments>
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