Huge Pages
Set hugepages permanently
Set the vm.nr_hugepages and vm.nr_hugepages_mempolicy values in /etc/sysctl.conf
- These values are the "page count" as in how many pages you want.
- Each page is 2mb in size so 15000 pages would be 30GB of memory.
sudo sysctl -a | grep -i huge
vm.hugepages_treat_as_movable = 0
vm.hugetlb_shm_group = 0
vm.nr_hugepages = 15000
vm.nr_hugepages_mempolicy = 15000
vm.nr_overcommit_hugepages = 0
Set hugepages temporarily
echo 15000 > /proc/sys/vm/nr_hugepages
Check current hugepage allocation
cat /proc/sys/vm/nr_hugepages
OR
sysctl -a | grep -i huge
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