---
- name: disable osd directory parsing by updatedb
  command: updatedb -e /var/lib/ceph
  changed_when: false
  failed_when: false

- name: disable transparent hugepage
  command: "echo never > /sys/kernel/mm/transparent_hugepage/enabled"
  changed_when: false
  failed_when: false
  when: disable_transparent_hugepage

- name: disable swap
  command: swapoff -a
  changed_when: false
  failed_when: false
  when: disable_swap

- name: apply operating system tuning
  sysctl: >
    name="{{ item.name }}"
    value="{{ item.value }}"
    state=present
    sysctl_file=/etc/sysctl.conf
    ignoreerrors=yes
  with_items: os_tuning_params