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	<title>Random Musings of an Insane Mind</title>
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	<link>http://cd34.com/blog</link>
	<description>This is my blog, there are many others like it but this one is mine.</description>
	<lastBuildDate>Fri, 22 Mar 2013 05:01:36 +0000</lastBuildDate>
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		<title>KVM guest extremely slow, Bug in Host Linux 3.2.2 kernel</title>
		<link>http://cd34.com/blog/hardware/kvm-guest-extremely-slow-bug-in-host-linux-3-2-2-kernel/</link>
		<comments>http://cd34.com/blog/hardware/kvm-guest-extremely-slow-bug-in-host-linux-3-2-2-kernel/#comments</comments>
		<pubDate>Fri, 22 Mar 2013 05:01:36 +0000</pubDate>
		<dc:creator>cd34</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[guest]]></category>
		<category><![CDATA[host]]></category>
		<category><![CDATA[kernel]]></category>
		<category><![CDATA[kvm]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://cd34.com/blog/?p=1533</guid>
		<description><![CDATA[Client upgraded a KVM instance today, rebooted it and the machine is extremely slow. The instance is a Debian system and running 3.1.0-1-amd64 which appears to have a bug with time. This causes the machine to respond to packets very sporadically which doesn&#8217;t allow anything to be done without a lot of delay. To make [...]]]></description>
		<wfw:commentRss>http://cd34.com/blog/hardware/kvm-guest-extremely-slow-bug-in-host-linux-3-2-2-kernel/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>btrfs gets very slow, metadata almost full</title>
		<link>http://cd34.com/blog/scalability/btrfs-gets-very-slow-metadata-almost-full/</link>
		<comments>http://cd34.com/blog/scalability/btrfs-gets-very-slow-metadata-almost-full/#comments</comments>
		<pubDate>Fri, 08 Mar 2013 04:29:33 +0000</pubDate>
		<dc:creator>cd34</dc:creator>
				<category><![CDATA[Scalability]]></category>
		<category><![CDATA[Adaptec 31205]]></category>
		<category><![CDATA[btrfs]]></category>
		<category><![CDATA[performance]]></category>
		<category><![CDATA[tuning]]></category>
		<category><![CDATA[xfs]]></category>

		<guid isPermaLink="false">http://cd34.com/blog/?p=1527</guid>
		<description><![CDATA[One of our storage servers that has had problems in the past. Originally it seemed like XFS was having a problem with the large filesystem, so, we gambled and decided to use btrfs. After eight days running, the machine has gotten extremely slow for disk I/O to the point where backups that should take minutes, [...]]]></description>
		<wfw:commentRss>http://cd34.com/blog/scalability/btrfs-gets-very-slow-metadata-almost-full/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>uwsgi version 1.2.3, Debian, and Pyramid</title>
		<link>http://cd34.com/blog/framework/uwsgi-version-1-2-3-debian-and-pyramid/</link>
		<comments>http://cd34.com/blog/framework/uwsgi-version-1-2-3-debian-and-pyramid/#comments</comments>
		<pubDate>Sat, 23 Feb 2013 20:48:26 +0000</pubDate>
		<dc:creator>cd34</dc:creator>
				<category><![CDATA[Framework]]></category>
		<category><![CDATA[Nginx]]></category>
		<category><![CDATA[pyramid]]></category>
		<category><![CDATA[uwsgi]]></category>

		<guid isPermaLink="false">http://cd34.com/blog/?p=1525</guid>
		<description><![CDATA[First, we need to install uwsgi: apt-get update apt-get install uwsgi uwsgi-plugin-python Then we need to create a .ini file that goes into /etc/uwsgi/apps-available: [uwsgi] uid = username gid = username workers = 4 buffer-size = 25000 chmod-socket = 666 single-interpreter = true master = true socket = /tmp/project.sock plugin = python pythonpath = /var/www/virtualenv/bin [...]]]></description>
		<wfw:commentRss>http://cd34.com/blog/framework/uwsgi-version-1-2-3-debian-and-pyramid/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Using temporary; Using filesort</title>
		<link>http://cd34.com/blog/scalability/using-temporary-using-filesort/</link>
		<comments>http://cd34.com/blog/scalability/using-temporary-using-filesort/#comments</comments>
		<pubDate>Sun, 02 Dec 2012 17:39:55 +0000</pubDate>
		<dc:creator>cd34</dc:creator>
				<category><![CDATA[Scalability]]></category>
		<category><![CDATA[mysql]]></category>
		<category><![CDATA[performance]]></category>
		<category><![CDATA[query]]></category>

		<guid isPermaLink="false">http://cd34.com/blog/?p=1517</guid>
		<description><![CDATA[Ahh the dreaded temporary table and filesort. This is one performance killer that is incredibly bad on a high traffic site and the cause is fairly easy to explain. MySQL tries to keep a result set in memory. When the query plan optimizer checks the number of rows that might be returned, it also looks [...]]]></description>
		<wfw:commentRss>http://cd34.com/blog/scalability/using-temporary-using-filesort/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Changing Linux Mint to boot off an mdadm raidset</title>
		<link>http://cd34.com/blog/boring/changing-linux-mint-to-boot-off-an-mdadm-raidset/</link>
		<comments>http://cd34.com/blog/boring/changing-linux-mint-to-boot-off-an-mdadm-raidset/#comments</comments>
		<pubDate>Mon, 15 Oct 2012 03:35:04 +0000</pubDate>
		<dc:creator>cd34</dc:creator>
				<category><![CDATA[Boring Stuff]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[mint]]></category>
		<category><![CDATA[raid]]></category>

		<guid isPermaLink="false">http://cd34.com/blog/?p=1511</guid>
		<description><![CDATA[I installed Linux Mint on a machine, but, wanted to use Raid 1 for the drive. However, even through the custom installation with both drives in place, I saw no way to configure Raid on installation. Since we do this sort of thing quite frequently, I figured I would write a quick guide detailing the [...]]]></description>
		<wfw:commentRss>http://cd34.com/blog/boring/changing-linux-mint-to-boot-off-an-mdadm-raidset/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>AngularJS &#8211; a first step</title>
		<link>http://cd34.com/blog/framework/angularjs-a-first-step/</link>
		<comments>http://cd34.com/blog/framework/angularjs-a-first-step/#comments</comments>
		<pubDate>Wed, 19 Sep 2012 14:39:28 +0000</pubDate>
		<dc:creator>cd34</dc:creator>
				<category><![CDATA[Framework]]></category>
		<category><![CDATA[angular]]></category>
		<category><![CDATA[d3]]></category>
		<category><![CDATA[javascript]]></category>
		<category><![CDATA[strava]]></category>
		<category><![CDATA[Varnish]]></category>

		<guid isPermaLink="false">http://cd34.com/blog/?p=1503</guid>
		<description><![CDATA[If you&#8217;ve not heard of AngularJS, I&#8217;m not surprised. It moves MVC or MV* to the browser and provides a unique, lightweight, powerful way to write apps that execute on the client side. Forms, validation, controllers, routes are all handled fairly easily. The one thing I look for in every framework I use is a [...]]]></description>
		<wfw:commentRss>http://cd34.com/blog/framework/angularjs-a-first-step/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>The great bicycle upgrade of 2012</title>
		<link>http://cd34.com/blog/bicycling/the-great-bicycle-upgrade-of-2012/</link>
		<comments>http://cd34.com/blog/bicycling/the-great-bicycle-upgrade-of-2012/#comments</comments>
		<pubDate>Fri, 03 Aug 2012 15:46:06 +0000</pubDate>
		<dc:creator>cd34</dc:creator>
				<category><![CDATA[Bicycling]]></category>
		<category><![CDATA[park tools]]></category>
		<category><![CDATA[sram]]></category>

		<guid isPermaLink="false">http://cd34.com/blog/?p=1495</guid>
		<description><![CDATA[I ride an old bike &#8211; a 1983(?) Concord RS1400. Over the years I&#8217;ve replaced many parts on it to the point where I believe the only original parts on it were the rear wheel and the frame. On May 16th, I felt my sedentary lifestyle needed a change, pulled the bike off the hooks, [...]]]></description>
		<wfw:commentRss>http://cd34.com/blog/bicycling/the-great-bicycle-upgrade-of-2012/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Our best practices regarding a web hosting environment</title>
		<link>http://cd34.com/blog/infrastructure/our-best-practices-regarding-a-web-hosting-environment/</link>
		<comments>http://cd34.com/blog/infrastructure/our-best-practices-regarding-a-web-hosting-environment/#comments</comments>
		<pubDate>Mon, 09 Jul 2012 22:11:26 +0000</pubDate>
		<dc:creator>cd34</dc:creator>
				<category><![CDATA[Web Infrastructure]]></category>
		<category><![CDATA[ftp]]></category>
		<category><![CDATA[imap]]></category>
		<category><![CDATA[iptables]]></category>
		<category><![CDATA[joomla]]></category>
		<category><![CDATA[php]]></category>
		<category><![CDATA[pop]]></category>
		<category><![CDATA[ssh]]></category>
		<category><![CDATA[wordpress]]></category>

		<guid isPermaLink="false">http://cd34.com/blog/?p=1486</guid>
		<description><![CDATA[Over the years we&#8217;ve had to deal with persistent security scans from hosts around the world, verifying that our installations were secure. After witnessing a competitor implode this morning as the result of a hack, I&#8217;m putting this out as a few of our best practices when dealing with Virtual and Dedicated web hosting. He [...]]]></description>
		<wfw:commentRss>http://cd34.com/blog/infrastructure/our-best-practices-regarding-a-web-hosting-environment/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>The model used to open the store is incompatible with the one used to create the store</title>
		<link>http://cd34.com/blog/iphone/the-model-used-to-open-the-store-is-incompatible-with-the-one-used-to-create-the-store/</link>
		<comments>http://cd34.com/blog/iphone/the-model-used-to-open-the-store-is-incompatible-with-the-one-used-to-create-the-store/#comments</comments>
		<pubDate>Sun, 17 Jun 2012 01:45:40 +0000</pubDate>
		<dc:creator>cd34</dc:creator>
				<category><![CDATA[IPhone]]></category>
		<category><![CDATA[app]]></category>
		<category><![CDATA[core data]]></category>
		<category><![CDATA[versioning]]></category>

		<guid isPermaLink="false">http://cd34.com/blog/?p=1479</guid>
		<description><![CDATA[I ran into this while doing some development for SnapReplay, and, I knew that this would be a problem. Regrettably, the favorite solution is to delete the app or erase the virtual instance and start fresh, but, what causes this? When your application first starts and you have a schema defined for SQLite, a database [...]]]></description>
		<wfw:commentRss>http://cd34.com/blog/iphone/the-model-used-to-open-the-store-is-incompatible-with-the-one-used-to-create-the-store/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Specialized and my famous water bottle</title>
		<link>http://cd34.com/blog/bicycling/specialized-and-my-famous-water-bottle/</link>
		<comments>http://cd34.com/blog/bicycling/specialized-and-my-famous-water-bottle/#comments</comments>
		<pubDate>Fri, 08 Jun 2012 15:53:04 +0000</pubDate>
		<dc:creator>cd34</dc:creator>
				<category><![CDATA[Bicycling]]></category>
		<category><![CDATA[cateye]]></category>
		<category><![CDATA[concord]]></category>
		<category><![CDATA[sigma]]></category>
		<category><![CDATA[specialized]]></category>

		<guid isPermaLink="false">http://cd34.com/blog/?p=1456</guid>
		<description><![CDATA[I&#8217;ve loved riding bikes as long as I can remember. I would ride for hours. In the early 70s I had a bike that I converted to an offroad bike, but I preferred the road. Eventually I moved on to a Sears steel-framed 10 speed bicycle. I rode that bike everywhere. I rode to school, [...]]]></description>
		<wfw:commentRss>http://cd34.com/blog/bicycling/specialized-and-my-famous-water-bottle/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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