 Linux Kernel 4.19 (October 2018) introduced cgroup awareness of OOM killer implementation which adds an ability to kill a cgroup as a single unit and so guarantee the integrity of the workload .Various projects use cgroups as their basis, including CoreOS, Docker (in 2013), Hadoop, Jelastic, Kubernetes, lmctfy (Let Me Contain That For You), LXC (LinuX Containers), systemd, Mesos and Mesosphere, and HTCondor.Major Linux distributions also adopted it such as Red Hat Enterprise Linux (RHEL) 6.0 in November 2010, three years later adoption by the mainline Linux kernel.