message: rz chaos sbatch job should only 4 nodes.
diff: ## For details about use and distribution, please read axom/LICENSE.
  ##
  -#SBATCH -N 8
  +#SBATCH -N 4
  #SBATCH -J axom_uberenv_rz_chaos5
  #SBATCH -t 8:00:00
  #SBATCH -p pdebug
  