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How "large" of a website can one reliably host on Amazon EC2's micro instance?

Running apache, nginx, lighty, I don't care.

Just curious how far that $5.20/month would get you and why I should or should not go this route.

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$5.20/month? I thought it is $0.025 per hour * 730 hours in a month = $18.25 – warpech Dec 13 '11 at 15:12
up vote 5 down vote accepted

That is so dependant on how resource heavy the site is, not possible to give an generic answer to such an unspecified question. Kind of like; how much water can the sun evaporate?

Here's what I would do:
Setup nginx + php-fpm, setup a phpinfo(); .php page, cache it with fastcgi_cache and then try it with apache benchmark, or even Don't forget to post your results! :-)

Please note that there are information that suggests that the AWS EC2 Micro Instance's CPU time frequently is stolen (I think written by a SF member), it does NOT deliver a consistent CPU resource, as stated on AWS site.

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Indeed, my experience with micro is that the processing-performance usually fluctuate quite heavily. – Mark Jun 27 '11 at 7:34

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