Depends on what your students are doing right? Also I'd bet your running out of ram before CPU. You should try doing the same workload without JH involved - I

Depends on what your students are doing right? Also I'd bet your running out of ram before CPU. You should try doing the same workload without JH involved - I'd bet you'd still run out of ram. Also - I'd throw hardware at software problems all day long if I could. Hardware is cheap compared to developer time