Hi Assume there are two nodes: w1 np=12 w2 np=12 When I submit 8 jobs, all 8 jobs are run on w2. It is more desirable to have two 50% load on each node rather than a 100% load on one. The 8 jobs are all single threaded not MPI. Is there any way to define such policy? Thanks // Naderan *Mahmood;