diff --git a/pillar/role/postgresql/init.sls b/pillar/role/postgresql/init.sls
index 612a558..a5ecfe4 100644
--- a/pillar/role/postgresql/init.sls
+++ b/pillar/role/postgresql/init.sls
@@ -12,6 +12,15 @@ profile:
       check_postgres_locks: "/usr/lib/nagios/plugins/check_postgres_locks --warning='60' --critical='total=50:waiting=1:exclusive=20'"
       check_postgres_wal_files: "/usr/lib/nagios/plugins/check_postgres_wal_files --critical='120' --warning='100'"
 
+sysctl:
+  params:
+    ## https://www.postgresql.org/docs/current/static/kernel-resources.html
+    # Members of group my-hugetlbfs(2021) can allocate "huge" Shared memory segment
+    vm.hugetlb_shm_group: 1000
+    # echo $(grep ^VmPeak /proc/$(head -n 1 /var/lib/pgsql/data/postmaster.pid)/status | awk '" " { print $2 }')/2048 | bc
+    vm.nr_hugepages: 6415
+    vm.overcommit_memory: 2
+
 zypper:
   packages:
     postgresql: {}