set swappiness to 10 for copr machines

roles/copr/base/tasks/main.yml

@@ -38,6 +38,14 @@
     masked: yes
   when: ansible_distribution == 'Fedora'
 
+# do not swap unless it is really needed
+- name: Set vm.swappiness to 10
+  ansible.posix.sysctl:
+    name: vm.swappiness
+    value: '10'
+    state: present
+    reload: yes
+
 - name: Configure crond
   ansible.builtin.copy: src=sysconfig.crond dest=/etc/sysconfig/crond
   notify: Restart crond