Merge "Tune ElasticSearch settings."

modules/logstash/files/es-logstash-template.json

@@ -0,0 +1,10 @@
+{
+    "logstash_settings" : {
+        "template" : "logstash*",
+        "settings" : {
+            "index.routing.allocation.total_shards_per_node" : "3",
+            "index.translog.flush_threshold_ops" : "50000",
+            "index.cache.field.type" : "soft"
+        }
+    }
+}

modules/logstash/manifests/elasticsearch.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',

modules/logstash/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%"
 
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