in linux cgroups (control groups) allow you to allocate resources to groups of processes, which makes it easy to ensure things like ssh or npre or your load bal

in linux cgroups (control groups) allow you to allocate resources to groups of processes, which makes it easy to ensure things like ssh or npre or your load balancer ping (as long as you run it out of band) still have cpu/mem even when your main server cgroup gets pegged