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From Shmuel Krakower <>
Subject Re: Choosing an EC2 instance family for running JMeter tests
Date Thu, 26 Jun 2014 11:35:10 GMT
Shouldn't be a big deal.
I used both approaches.

Had running 20 small instances in parallel as well as running one big
instance. The 64bit JVM should work fine in the bigger instances.

If I were you, I'd go with single big instance which is easier to work with.

Keep in mind that on some cases the network card of the machine may be a
bottleneck and you'll have to run multiple instances. - free application performance monitoring from world wide
On Jun 26, 2014 2:20 PM, <> wrote:

> Hi,
> I am planning to run JMeter tests from EC2 instances. It looks like the
> Java Heap size depends on maximum address space per process. So in
> theory I could be limited to 2 - 4GB of Heap space per machine.
> If that is the case, would it be better for me to use many m1.small
> instances as both servers and client instead of machines with much more
> RAM (e.g. Memory Optimized, R3)?
> Many Thanks
> Paul
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