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	<title>About Web Development by Activo &#187; MySQL Caching</title>
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		<title>Understanding MySQL Query Caching Process</title>
		<link>http://www.activoinc.com/blog/2008/11/05/understanding-mysql-query-caching/</link>
		<comments>http://www.activoinc.com/blog/2008/11/05/understanding-mysql-query-caching/#comments</comments>
		<pubDate>Wed, 05 Nov 2008 08:01:10 +0000</pubDate>
		<dc:creator>Ron Peled</dc:creator>
				<category><![CDATA[LAMP: Linux Apache MySQL PHP]]></category>
		<category><![CDATA[PHP/MySQL]]></category>
		<category><![CDATA[Performance Optimization]]></category>
		<category><![CDATA[MySQL Caching]]></category>
		<category><![CDATA[Search Engine Marketing (SEM)]]></category>
		<category><![CDATA[website performance]]></category>

		<guid isPermaLink="false">http://www.activoinc.com/blog/?p=136</guid>
		<description><![CDATA[These days, websites are expected to perform. No excuses. I also mentioned before that website performance is key for SEO. Well, one easy thing that can be done is turning on MySQL caching. Most servers ship with MySQL in its default configuration which has caching turned off. There are many resources out there if you [...]]]></description>
			<content:encoded><![CDATA[<p>These days, websites are expected to perform. No excuses. I also mentioned before that <a href="http://www.activoinc.com/blog/2008/10/13/5-peculiar-seo-tips-you-should-know-about/">website performance is key for SEO</a>. Well, one easy thing that can be done is turning on MySQL caching. Most servers ship with MySQL in its default configuration which has caching turned off. There are many resources out there if you search enough, however I have found a <a href="http://www.scribd.com/doc/2818256/MySQL-Query-Cache">presentation by Baron Shcwartz: MySQL Query Cache</a> which explains in detail advanced concepts of MySQL Caching. Here is the slide that summarizes the process of MySQL Query Caching:</p>
<p><a href="http://www.activoinc.com/blog/wp-content/uploads/2008/11/tuning-the-query-cache_mysql-caching_baron-shcwartz.gif"><img class="alignnone size-medium wp-image-137" title="tuning-the-query-cache_mysql-caching_baron-shcwartz" src="http://www.activoinc.com/blog/wp-content/uploads/2008/11/tuning-the-query-cache_mysql-caching_baron-shcwartz-300x212.gif" alt="" width="300" height="212" /></a></p>
<h3  class="related_post_title">Related Posts</h3><ul class="related_post"><li>July 16, 2009 -- <a href="http://www.activoinc.com/blog/2009/07/16/speed-optimized-websites-rank-higher-with-search-engines/" title="Speed Optimized Websites Rank Higher with Search Engines">Speed Optimized Websites Rank Higher with Search Engines</a> (0)</li><li>December 25, 2008 -- <a href="http://www.activoinc.com/blog/2008/12/25/pdnsd-decrease-dns-response-time-and-save-bandwidth/" title="pdnsd &#8211; Decrease DNS response time and save bandwidth">pdnsd &#8211; Decrease DNS response time and save bandwidth</a> (0)</li><li>October 31, 2008 -- <a href="http://www.activoinc.com/blog/2008/10/31/how-to-use-mod_rewrite-to-set-a-canonical-url/" title="How to Use Mod_Rewrite to Set a Canonical URL">How to Use Mod_Rewrite to Set a Canonical URL</a> (0)</li><li>October 13, 2008 -- <a href="http://www.activoinc.com/blog/2008/10/13/5-peculiar-seo-tips-you-should-know-about/" title="5 Peculiar SEO Tips You Should Know About">5 Peculiar SEO Tips You Should Know About</a> (1)</li><li>September 21, 2008 -- <a href="http://www.activoinc.com/blog/2008/09/21/3-steps-to-increase-your-website-traffic-with-popular-keywords/" title="3 Steps to Increase Your Website&#8217;s Traffic with Popular Keywords">3 Steps to Increase Your Website&#8217;s Traffic with Popular Keywords</a> (0)</li><li>September 7, 2008 -- <a href="http://www.activoinc.com/blog/2008/09/07/seo-vs-ppc-is-seo-the-preference-these-days/" title="SEO vs PPC: is SEO the preference these days?">SEO vs PPC: is SEO the preference these days?</a> (1)</li></ul>]]></content:encoded>
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