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	<title>Comments on: Amazon EC2: 1st Impressions Mounting S3</title>
	<atom:link href="http://cantina.co/2007/12/08/amazon-ec2-first-impressions-mounting-s3/feed/" rel="self" type="application/rss+xml" />
	<link>http://cantina.co/2007/12/08/amazon-ec2-first-impressions-mounting-s3/</link>
	<description>Tech Chops &#124; Business Cred</description>
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		<title>By: Adam</title>
		<link>http://cantina.co/2007/12/08/amazon-ec2-first-impressions-mounting-s3/comment-page-1/#comment-1116</link>
		<dc:creator>Adam</dc:creator>
		<pubDate>Mon, 18 Jul 2011 18:25:55 +0000</pubDate>
		<guid isPermaLink="false">http://www.cantinaconsulting.com/2007/12/08/amazon-ec2-first-impressions-mounting-s3/#comment-1116</guid>
		<description>&lt;p&gt;Hi Pradeep -&lt;/p&gt;

&lt;p&gt;It somewhat depends on your needs.  In the case of &quot;uploaded images&quot; it may be easier to leverage an S3 data store instead of an EC2 EBS volume.  The S3 data store would be accessible for uploaded images to any node in your load balanced environment.  That really only works for &quot;file&quot; storage though.  In the event that you want to do MySql replication, you can do that straight through the MySQL tools.  I also read that Amazon automatically replicates EBS volumes within the same availability zone.  So if you are load balancing within the same zone, you may be able to leverage those tools.&lt;/p&gt;

&lt;p&gt;I think, for your specific needs, you&#039;d want to separate the uploaded images from your document root.  You&#039;d want your document root to only contain static assets that you can deploy to both instances.  For UGC (like an uploaded profile photo) - just put that on S3 and away you go.&lt;/p&gt;

&lt;p&gt;Hope that helps&lt;/p&gt;

&lt;p&gt;Adam Kenger
Senior Technical Consultant
Cantina&lt;/p&gt;
</description>
		<content:encoded><![CDATA[<p>Hi Pradeep -</p>

<p>It somewhat depends on your needs.  In the case of &#8220;uploaded images&#8221; it may be easier to leverage an S3 data store instead of an EC2 EBS volume.  The S3 data store would be accessible for uploaded images to any node in your load balanced environment.  That really only works for &#8220;file&#8221; storage though.  In the event that you want to do MySql replication, you can do that straight through the MySQL tools.  I also read that Amazon automatically replicates EBS volumes within the same availability zone.  So if you are load balancing within the same zone, you may be able to leverage those tools.</p>

<p>I think, for your specific needs, you&#8217;d want to separate the uploaded images from your document root.  You&#8217;d want your document root to only contain static assets that you can deploy to both instances.  For UGC (like an uploaded profile photo) &#8211; just put that on S3 and away you go.</p>

<p>Hope that helps</p>

<p>Adam Kenger
Senior Technical Consultant
Cantina</p>]]></content:encoded>
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	<item>
		<title>By: Pradeep</title>
		<link>http://cantina.co/2007/12/08/amazon-ec2-first-impressions-mounting-s3/comment-page-1/#comment-1075</link>
		<dc:creator>Pradeep</dc:creator>
		<pubDate>Fri, 15 Jul 2011 18:08:44 +0000</pubDate>
		<guid isPermaLink="false">http://www.cantinaconsulting.com/2007/12/08/amazon-ec2-first-impressions-mounting-s3/#comment-1075</guid>
		<description>&lt;p&gt;I am wondering what is the best practice to use for web document root folder. If I use EBS as a mounted file system on my EC2 instance, I can only use it for one EC2 instance. If I scale to have another EC2 instance I cannot share the same EBS. In which case I guess I will have to clone that EBS and use it on my second EC2 instance. However if there is some content that gets written to the document root folder such as uploaded images, then this will not be synchronized in a load balanced environment.&lt;/p&gt;

&lt;p&gt;Any pointers to using shared storage between EC2 instances during scale out?&lt;/p&gt;
</description>
		<content:encoded><![CDATA[<p>I am wondering what is the best practice to use for web document root folder. If I use EBS as a mounted file system on my EC2 instance, I can only use it for one EC2 instance. If I scale to have another EC2 instance I cannot share the same EBS. In which case I guess I will have to clone that EBS and use it on my second EC2 instance. However if there is some content that gets written to the document root folder such as uploaded images, then this will not be synchronized in a load balanced environment.</p>

<p>Any pointers to using shared storage between EC2 instances during scale out?</p>]]></content:encoded>
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	<item>
		<title>By: adam</title>
		<link>http://cantina.co/2007/12/08/amazon-ec2-first-impressions-mounting-s3/comment-page-1/#comment-27</link>
		<dc:creator>adam</dc:creator>
		<pubDate>Tue, 03 Mar 2009 17:31:45 +0000</pubDate>
		<guid isPermaLink="false">http://www.cantinaconsulting.com/2007/12/08/amazon-ec2-first-impressions-mounting-s3/#comment-27</guid>
		<description>&lt;p&gt;I haven&#039;t returned to this issue in a while, as Elastic Block Store (EBS) volumes on Amazon EC2 have provided better functionality than mounting S3 directly (and presumably better performance).  Plus with EBS you can cut snapshots as much as you&#039;d like to save checkpoints of filesystem state onto S3.&lt;/p&gt;

&lt;p&gt;http://aws.amazon.com/ebs/&lt;/p&gt;
</description>
		<content:encoded><![CDATA[<p>I haven&#8217;t returned to this issue in a while, as Elastic Block Store (EBS) volumes on Amazon EC2 have provided better functionality than mounting S3 directly (and presumably better performance).  Plus with EBS you can cut snapshots as much as you&#8217;d like to save checkpoints of filesystem state onto S3.</p>

<p><a href="http://aws.amazon.com/ebs/" rel="nofollow">http://aws.amazon.com/ebs/</a></p>]]></content:encoded>
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		<title>By: Jonathan Puddle</title>
		<link>http://cantina.co/2007/12/08/amazon-ec2-first-impressions-mounting-s3/comment-page-1/#comment-26</link>
		<dc:creator>Jonathan Puddle</dc:creator>
		<pubDate>Tue, 03 Mar 2009 17:10:46 +0000</pubDate>
		<guid isPermaLink="false">http://www.cantinaconsulting.com/2007/12/08/amazon-ec2-first-impressions-mounting-s3/#comment-26</guid>
		<description>&lt;p&gt;So, how did this work out for you? I&#039;m interesting in pursuing something similar.&lt;/p&gt;
</description>
		<content:encoded><![CDATA[<p>So, how did this work out for you? I&#8217;m interesting in pursuing something similar.</p>]]></content:encoded>
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