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<font size="-1"><font face="Arial">We're running a startup entirely of
EC2 and S3 and have had over 180 days uptime on all 3 instances the DB
instance died once and we just did a one button script to go restore
the DB from S3 etc... <br>
<br>
We use RightScale (<a class="moz-txt-link-freetext" href="http://www.rightscale.com">http://www.rightscale.com</a>) to manage our elastic
scaleability and instance management. I recommend having a Master-Slave
(depending on your redundancy requirements) and shell scripts to
automagically promote the slave to a Master in the event of a master
failure using some sort of monitoring (RightScale deal with this),
whilst S3 dumps of databases are made also but only used in the event
of all DB instances dying and backup purposes.<br>
<br>
I'd be aware of the Amazon Availability Zones and bandwidth costs
between them; power of the instances you need as the costs vary;
managing the DNS as you can have static and non-static IPs for new
instances, Amazon now allow you to bind to a pool of addresses that you
have or spawning new instances; think about log rotation management and
storage of assets.<br>
<br>
Hope this helps, have fun :)<br>
<br>
Ken<br>
---<br>
<br>
Kenneth Lee<br>
</font></font><br>
Tom Taylor wrote:
<blockquote
cite="mid:AC125848-1E3D-4D88-A019-1CC6E5EB38BA@tomtaylor.co.uk"
type="cite">Has anyone had any experience of Rails hosting on Amazon
EC2?
<br>
<br>
We're building a thingy for Big Corp. EC2 is (bizarrely) one of their
approved hosting options. Considering all the other hosting options are
.NET 'specialists' and look very scared when we mention Rails, EC2
might be least painful option.
<br>
<br>
I understand that you need to have two instances with Master-Master
database replication because you never get your instances back as you
left 'em when/if they go down. What else do I need to be aware of?
<br>
<br>
Cheers,
<br>
<br>
Tom
<br>
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