This forum is to inform the community of work being done to enhance the node ramp down feature of PBS, which enables user to supply a count to pbs_release_nodes
command that specifies the number of sister nodes to be kept assigned to the job while releasing other sister nodes back to scheduler.
Refer
RFE Ticket: PP-724
pbs_release_nodes “keep node count” enhancement Design Doc
Please feel free to provide feedback on this topic
Thank You