8.5.3.7. Disabling overcommitment for a node
When overcommitment is enabled on a node, you can disable overcommitment on that node. Disabling overcommit can help ensure predictability, stability, and high performance in your cluster.
Procedure
Run the following command on a node to disable overcommitment on that node:
$ sysctl -w vm.overcommit_memory=0