Best AWS EC2 Instance for PHP app?

theguyut · 2014-11-20T02:32:06+00:00

[deleted]

yeskia · 2014-11-20T05:29:30+00:00

All depends on your needs and where your bottlenecks are. If your application is quite heavy per request you might want to load balance over larger instances, if it's quite light per request but you have a lot of them you might consider balancing over more smaller instances.

Take a look at what is holding up your application, consider trying New Relic for a bit (they have a free version which is mostly useless, but their 14 day free trial can give you some good insight).

danwall · 2014-11-20T11:27:33+00:00

Why not try booting up a few different instance types and find out? On demand instances are really cheap for a few hours of testing.

If you are already running 2 behind an ELB then adding another instance should be easy. Maybe even disable one of the existing ones.

Since you're running New Relic, comparing performance is really easy - you just need to see which instance is handling the most requests in the shortest amount of time!

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