job "simple_lb_clients" { datacenters = ["dc1"] type = "batch" constraint { attribute = "${attr.kernel.name}" value = "linux" } group "client_1" { task "cat" { driver = "raw_exec" config { command = "bash" args = ["-c", "sleep 15000"] } resources { cpu = 10 memory = 16 } template { destination = "output.txt" data = <