From: Peter Palfrader <peter@palfrader.org>
Date: Sun, 26 Nov 2017 13:29:17 +0000 (+0100)
Subject: set vm dirty values
X-Git-Url: https://git.adam-barratt.org.uk/?p=mirror%2Fdsa-puppet.git;a=commitdiff_plain;h=20401eaf2ca4fbe7da1fa791a94ea2a68f9a867b

set vm dirty values
---

diff --git a/manifests/site.pp b/manifests/site.pp
index 2053e404c..665c635a2 100644
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -43,6 +43,7 @@ node default {
 	include portforwarder
 	include postgres
 	include haveged
+	include hugemem
 
 	if $::lsbdistcodename == squeeze {
 		include roles::udldap::client
diff --git a/modules/huge_mem/manifests/init.pp b/modules/huge_mem/manifests/init.pp
new file mode 100644
index 000000000..2cbfc1852
--- /dev/null
+++ b/modules/huge_mem/manifests/init.pp
@@ -0,0 +1,15 @@
+class huge_mem {
+	# this is included by all hosts,
+	# so filtering needs to happen here.
+
+	if $::hostname in [grnet-node01,grnet-node02] {
+		site::sysctl { 'puppet-vm_dirty_bytes':
+			key   => 'vm.dirty_bytes',
+			value => '1073741824',
+		}
+		site::sysctl { 'puppet-vm_dirty_background_bytes':
+			key   => 'vm.dirty_background_bytes',
+			value => '268435456',
+		}
+	}
+}