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Follow the PBS Pro Design Document Guidelines.

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1. qmgr -c "export hook pbs_cgroups application/x-config default pbs_cgroups.cf"
   This will create a file called "pbs_cgroups.cf" in the current directory.
2. edit the pbs_cgroups.cf file and set "vnode_per_numa_node" to true
   Example: "vnode_per_numa_node" : true
3. Edit the pbs_cgroups.cf file and set "use_hyperthreads" to true
   Example: "use_hyperthreads" : true
4. Re-import the updated hook config file:
   qmgr -c "import hook pbs_cgroups application/x-config default pbs_cgroups.cf"
5. Enable the cgroups hook:
   qmgr -c "set hook pbs_cgroups enabled=true"
6. kill -HUP each pbs_mom so it can get the latest hook information

For sites with large NUMA machines and machines with GPUs, it is recommended to set vnode_per_numa_node to true.

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