diff --git a/manifests/init.pp b/manifests/init.pp
index f4b2410..eb45622 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -50,6 +50,24 @@ class logstash::elasticsearch (
     require => Package['elasticsearch'],
   }
 
+  file { '/etc/elasticsearch/templates':
+    ensure  => directory,
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0755',
+    require => Package['elasticsearch'],
+  }
+
+  file { '/etc/elasticsearch/templates/logstash_settings.json':
+    ensure  => present,
+    source  => 'puppet:///modules/logstash/es-logstash-template.json',
+    replace => true,
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0644',
+    require => File['/etc/elasticsearch/templates'],
+  }
+
   file { '/etc/elasticsearch/default-mapping.json':
     ensure  => present,
     source  => 'puppet:///modules/logstash/elasticsearch.mapping.json',
diff --git a/templates/elasticsearch.yml.erb b/templates/elasticsearch.yml.erb
index 4e82837..f07cf93 100644
--- a/templates/elasticsearch.yml.erb
+++ b/templates/elasticsearch.yml.erb
@@ -139,7 +139,7 @@ node.name: "<%= scope.lookupvar("::hostname") %>"
 index.store.compress.stored: true
 index.store.compress.tv: true
 
-indices.memory.index_buffer_size: "40%"
+indices.memory.index_buffer_size: "33%"
 
 #################################### Paths ####################################