No, that is sufficient. It does start with 2G allocated to the JVM.
It can work with less, but that's about the minimum to be useful for
larger datasets. You can certainly up it and Stardog will utilize the
memory the best it can when its under load.
I've done some BSBM tests on the 2XL EC2 instance and was getting
several hundred percent CPU utilization according to top; Stardog will
use what's there. There's nothing you can do to force it to use more,
but if you provide more memory either w/ STARDOG_JAVA_ARGS or just
editing the script, and its the only thing running on the box, or
close to it, Stardog will use most of that system when its under load.
I've gotten good mileage in testing with the larger instances and
attached EBS volumes for storage, I think you'll be pretty happy with
the setup.
Cheers,
Mike
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