TODO: when request modelRun, get to select which of the nodes vailable to run it on.
#in mutlinode environment, means we rstart on the specific node because data is there
#OR pull data over to new node from old node etc..
also useful as 'I last ra nhere'? fo execing shell in filesystem?
TODO: when request modelRun, get to select which of the nodes vailable to run it on.