evolinux-base: swappiness is customizable

CHANGELOG.md

@@ -12,6 +12,7 @@ The **patch** part changes incrementally at each release.
 
 ### Added
 
+* evolinux-base: swappiness is customizable
 * tomcat: root directory owner/group are configurable
 
 ### Changed

evolinux-base/defaults/main.yml

@@ -50,7 +50,8 @@ evolinux_kernel_include: True
 
 evolinux_kernel_reboot_after_panic: True
 evolinux_kernel_disable_tcp_timestamps: True
-evolinux_kernel_reduce_swapiness: True
+evolinux_kernel_customize_swappiness: True
+evolinux_kernel_swappiness: 20
 evolinux_kernel_cve20165696: True
 
 # fstab

evolinux-base/tasks/kernel.yml

@@ -32,14 +32,14 @@
     reload: yes
   when: evolinux_kernel_disable_tcp_timestamps
 
-- name: Reduce the swapiness
+- name: Customize the swappiness
   sysctl:
     name: vm.swappiness
-    value: 20
+    value: "{{ evolinux_kernel_swappiness }}"
     sysctl_file: "{{ evolinux_kernel_sysctl_path }}"
     state: present
     reload: yes
-  when: evolinux_kernel_reduce_swapiness
+  when: evolinux_kernel_customize_swappiness
 
 - name: Patch for TCP stack vulnerability CVE-2016-5696
   sysctl: