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I have created a very basic Django application which puts an email to the database (Coming soon page for a startup).

I launched a t1.micro instance to try out which load it can carry out. Nginx+FastCGI from Django+sqllite/postgres - tried both.

blitz.io test gave me a pretty unhappy result (just 100 users within 1 minute):

This rush generated 542 successful hits in 1.0 min and we transferred 809.01 KB of data in and out of your app. The average hit rate of 8.81/second translates to about 761,612 hits/day.

You got bigger problems though: 87.28% of the users during this rush experienced timeouts or errors!

I tried both to put varnish, disabled Debub mode in django and started fastcgi in threaded mode - nothing helps.

This is not gonna be a super highload page - just a coming soon page to save email of subscribers, it should carry at least 500-1000 users at the same time in peak...

I believe t1.micro is super small for that, but I also have tried small instance - not better result..

Please let me know should I use something different from Amazon EC2, or to pick smth better than t1.micro, or I that is definetely a configuration issues?...

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One thing you should know is that, meanwhile a micro is faster in bursts than a small, it will only allow certain seconds of 100% load, and then will cap you out and become very slow until you reduce the load again... –  Andor Apr 1 '12 at 18:47
Also... can you check if it's 100% cpu, or the status of your machine is "user" "idle" or "waiting" when running 'top' while loading the machine with blitz.io ? –  Andor Apr 1 '12 at 18:48

1 Answer 1

You need to have a realistic estimate on what is the number of users you will be expecting. And defenitely, a t1.micro is not gonna cut it.

You have some options like:

*) Get a realistic number., run a load test using tools like Apache JMeter. You might have to choose a small, medium or large instance and host the app there.

*) If downtime is not an option and since you mentioned a Python stack, have you considered using Google App Engine.

*) If it's gonna be a coming soon page., have you considered services like LaunchRock ?

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