From 4dad21c481de9f73f2f8308db0e00906b59f35b1 Mon Sep 17 00:00:00 2001
From: Stephan Hohn <shohn@redhat.com>
Date: Mon, 9 May 2016 22:05:01 +0200
Subject: [PATCH] Increase system stabillity by re-enabling swap and setting
 vm.swappiness to 10

---
 roles/ceph-common/defaults/main.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/roles/ceph-common/defaults/main.yml b/roles/ceph-common/defaults/main.yml
index 4819b7400..a5de1ae72 100644
--- a/roles/ceph-common/defaults/main.yml
+++ b/roles/ceph-common/defaults/main.yml
@@ -365,12 +365,13 @@ ceph_conf_overrides: {}
 #############
 
 disable_transparent_hugepage: true
-disable_swap: true
+disable_swap: false
 os_tuning_params:
   - { name: kernel.pid_max, value: 4194303 }
   - { name: fs.file-max, value: 26234859 }
   - { name: vm.zone_reclaim_mode, value: 0 }
   - { name: vm.vfs_cache_pressure, value: 50 }
+  - { name: vm.swappiness, value: 10 }
   - { name: vm.min_free_kbytes, value: "{{ vm_min_free_kbytes }}" }