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	<title>Comments on: A brief update with some numbers for hardware load-balanced mongrels</title>
	<atom:link href="http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/</link>
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		<title>By: Alistair</title>
		<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/comment-page-1/#comment-1326</link>
		<dc:creator>Alistair</dc:creator>
		<pubDate>Thu, 22 Feb 2007 11:55:21 +0000</pubDate>
		<guid isPermaLink="false">http://joycomad.joyent.us/blog/uncategorized/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/#comment-1326</guid>
		<description>&lt;p&gt;Jason,&lt;/p&gt;

	&lt;p&gt;Out of interest, did you look into the Citrix Netscaler at all? &lt;/p&gt;

	&lt;p&gt;We run them at work in front of our web server and Citrix application clusters with superb results.&lt;/p&gt;

	&lt;p&gt;Al.&lt;/p&gt;</description>
		<content:encoded><![CDATA[<p>Jason,</p>
<p>Out of interest, did you look into the Citrix Netscaler at all? </p>
<p>We run them at work in front of our web server and Citrix application clusters with superb results.</p>
<p>Al.</p>
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		<title>By: Jason Hoffman</title>
		<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/comment-page-1/#comment-1388</link>
		<dc:creator>Jason Hoffman</dc:creator>
		<pubDate>Tue, 13 Feb 2007 06:55:16 +0000</pubDate>
		<guid isPermaLink="false">http://joycomad.joyent.us/blog/uncategorized/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/#comment-1388</guid>
		<description>&lt;p&gt;@ Blake, I don&#8217;t think it&#8217;s expensive, and there&#8217;s not much of a difference in the costs of scaling rails versus php or anything else. Not when compared to what people costs, which is where it begins to get expensive.&lt;/p&gt;</description>
		<content:encoded><![CDATA[<p>@ Blake, I don&#8217;t think it&#8217;s expensive, and there&#8217;s not much of a difference in the costs of scaling rails versus php or anything else. Not when compared to what people costs, which is where it begins to get expensive.</p>
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		<title>By: Blake</title>
		<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/comment-page-1/#comment-1387</link>
		<dc:creator>Blake</dc:creator>
		<pubDate>Mon, 12 Feb 2007 19:06:25 +0000</pubDate>
		<guid isPermaLink="false">http://joycomad.joyent.us/blog/uncategorized/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/#comment-1387</guid>
		<description>&lt;p&gt;@Jason&lt;/p&gt;

	&lt;p&gt;&gt;&gt; &#8220;I haven’t really seen a greater cost-outlay relative to say a PHP application.&#8221;&lt;/p&gt;

	&lt;p&gt;I&#8217;m sorry for asking this, but I don&#8217;t understand.  &lt;/p&gt;

	&lt;p&gt;Are you saying that scaling Ruby on Rails is extremely expensive or inexpensive?&lt;/p&gt;

	&lt;p&gt;And are you saying that PHP costs more or less to scale than Ruby on Rails.&lt;/p&gt;</description>
		<content:encoded><![CDATA[<p>@Jason</p>
<p>>> &#8220;I haven’t really seen a greater cost-outlay relative to say a PHP application.&#8221;</p>
<p>I&#8217;m sorry for asking this, but I don&#8217;t understand.  </p>
<p>Are you saying that scaling Ruby on Rails is extremely expensive or inexpensive?</p>
<p>And are you saying that PHP costs more or less to scale than Ruby on Rails.</p>
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		<title>By: Jason Hoffman</title>
		<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/comment-page-1/#comment-1386</link>
		<dc:creator>Jason Hoffman</dc:creator>
		<pubDate>Mon, 12 Feb 2007 06:40:25 +0000</pubDate>
		<guid isPermaLink="false">http://joycomad.joyent.us/blog/uncategorized/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/#comment-1386</guid>
		<description>&lt;p&gt;@ Nathan, I haven&#8217;t really seen a greater cost-outlay relative to say a PHP application. It&#8217;s a combination of the fact that most computers are more then powerful enough, and that often the bottlenecks are really traffic direction and load-balancing issues (both in front of app and in front of db).&lt;/p&gt;

	&lt;p&gt;@Dieter Yes more is definitely possible, this is only ~1/10th the switching capacity of a big-ip. As that goes up, then it would be time to attend to the databases.&lt;/p&gt;</description>
		<content:encoded><![CDATA[<p>@ Nathan, I haven&#8217;t really seen a greater cost-outlay relative to say a PHP application. It&#8217;s a combination of the fact that most computers are more then powerful enough, and that often the bottlenecks are really traffic direction and load-balancing issues (both in front of app and in front of db).</p>
<p>@Dieter Yes more is definitely possible, this is only ~1/10th the switching capacity of a big-ip. As that goes up, then it would be time to attend to the databases.</p>
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		<title>By: Dieter</title>
		<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/comment-page-1/#comment-1385</link>
		<dc:creator>Dieter</dc:creator>
		<pubDate>Mon, 12 Feb 2007 04:08:28 +0000</pubDate>
		<guid isPermaLink="false">http://joycomad.joyent.us/blog/uncategorized/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/#comment-1385</guid>
		<description>&lt;p&gt;Yeah, that rocks. 4000 r/s is really a lot. Wondering if there is more possible with the same hardware.&lt;/p&gt;</description>
		<content:encoded><![CDATA[<p>Yeah, that rocks. 4000 r/s is really a lot. Wondering if there is more possible with the same hardware.</p>
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		<title>By: Nathan de Vries</title>
		<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/comment-page-1/#comment-1401</link>
		<dc:creator>Nathan de Vries</dc:creator>
		<pubDate>Mon, 12 Feb 2007 03:46:30 +0000</pubDate>
		<guid isPermaLink="false">http://joycomad.joyent.us/blog/uncategorized/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/#comment-1401</guid>
		<description>&lt;p&gt;In your experience, have you found that the cost-outlay involved in scaling Rails applications (more hardware required) is acceptable due to the reduced development costs? And before you say that &#8220;hardware is cheap&#8221;, obviously &#8220;less hardware is cheaper&#8221;.&lt;/p&gt;

	&lt;p&gt;This isn&#8217;t a bait, I&#8217;m just interested in whether or not you&#8217;ve sat back at some stage and said &#8220;damn, this requires a hell of a lot of hardware to scale&#8221;.&lt;/p&gt;</description>
		<content:encoded><![CDATA[<p>In your experience, have you found that the cost-outlay involved in scaling Rails applications (more hardware required) is acceptable due to the reduced development costs? And before you say that &#8220;hardware is cheap&#8221;, obviously &#8220;less hardware is cheaper&#8221;.</p>
<p>This isn&#8217;t a bait, I&#8217;m just interested in whether or not you&#8217;ve sat back at some stage and said &#8220;damn, this requires a hell of a lot of hardware to scale&#8221;.</p>
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		<title>By: Michael Air</title>
		<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/comment-page-1/#comment-1400</link>
		<dc:creator>Michael Air</dc:creator>
		<pubDate>Sun, 11 Feb 2007 16:20:55 +0000</pubDate>
		<guid isPermaLink="false">http://joycomad.joyent.us/blog/uncategorized/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/#comment-1400</guid>
		<description>&lt;p&gt;Why Mongrels? Wouldn&#8217;t lighty/fastcgi be faster?&lt;/p&gt;</description>
		<content:encoded><![CDATA[<p>Why Mongrels? Wouldn&#8217;t lighty/fastcgi be faster?</p>
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		<title>By: Jason Hoffman</title>
		<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/comment-page-1/#comment-1398</link>
		<dc:creator>Jason Hoffman</dc:creator>
		<pubDate>Sat, 10 Feb 2007 02:26:11 +0000</pubDate>
		<guid isPermaLink="false">http://joycomad.joyent.us/blog/uncategorized/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/#comment-1398</guid>
		<description>&lt;p&gt;Hi Vick,  we taped one, it should be coming out.&lt;/p&gt;</description>
		<content:encoded><![CDATA[<p>Hi Vick,  we taped one, it should be coming out.</p>
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		<title>By: Vick</title>
		<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/comment-page-1/#comment-1397</link>
		<dc:creator>Vick</dc:creator>
		<pubDate>Fri, 09 Feb 2007 20:25:39 +0000</pubDate>
		<guid isPermaLink="false">http://joycomad.joyent.us/blog/uncategorized/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/#comment-1397</guid>
		<description>&lt;p&gt;No PS Pipe Grep this week?&lt;/p&gt;</description>
		<content:encoded><![CDATA[<p>No PS Pipe Grep this week?</p>
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		<title>By: Chris Yeh</title>
		<link>http://www.joyent.com/joyeurblog/2007/02/04/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/comment-page-1/#comment-1395</link>
		<dc:creator>Chris Yeh</dc:creator>
		<pubDate>Thu, 08 Feb 2007 02:55:13 +0000</pubDate>
		<guid isPermaLink="false">http://joycomad.joyent.us/blog/uncategorized/a-brief-update-with-some-numbers-for-hardware-load-balanced-mongrels/#comment-1395</guid>
		<description>&lt;p&gt;We&#8217;ve got a BIG-IP as well, and the iRules are one of the main reasons we use it.  Mentioned this on another post of yours, but how would you recommend measuring the impact of BIG-IP acceleration?&lt;/p&gt;</description>
		<content:encoded><![CDATA[<p>We&#8217;ve got a BIG-IP as well, and the iRules are one of the main reasons we use it.  Mentioned this on another post of yours, but how would you recommend measuring the impact of BIG-IP acceleration?</p>
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