Dropping cache on epilog & prolog

roles/slurm-common/templates/slurm.epilog.j2

 #!/bin/sh
+
 # specific files to be deleted to clean up after a Strudel session
 find /tmp -user ${SLURM_JOB_USER} -name "pulse*" | xargs rm -rf
 find /tmp -user ${SLURM_JOB_USER} -name ".esd-*" | xargs rm -rf
 find /tmp -user ${SLURM_JOB_USER} -name ".X*-lock" | xargs rm -rf
 find /tmp/.X11-unix -user ${SLURM_JOB_USER} -name "X*" | xargs rm -rf
+
+# files to be deleted from /tmp after jobs completed
+/bin/find /tmp -user ${SLURM_JOB_USER} -type 'f' -print0 | /usr/bin/xargs -0 -r /bin/rm -f
+
+# echo 1 to drop page cache
+sync; echo 1 > /proc/sys/vm/drop_caches

roles/slurm-common/templates/slurm.prolog.j2

 #!/bin/sh
+
+# echo 1 to drop page cache
+sync; echo 1 > /proc/sys/vm/drop_caches
+
 exit 0