Document a silent killer... (#2373)
Document a silent killer... (#2373)

Adding this into the default example inventory so it has less of a chance of biting others after weeks of random failures (as etcd does not  express that it has run out of RAM it just stalls).. 512MB was not  enough for us to run one of our products.
Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-incubator/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,Atoms/kubespray,kubespray/kargo,insequent/kargo,kubernetes-incubator/kubespray,kubespray/kargo,insequent/kargo,Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-incubator/kargo,Atoms/kubespray,kubernetes-incubator/kargo