Downgrade config to 2.4.1 (cosmetic)

Author: pcbaldwin

deploy/elasticsearch.yml

@@ -8,43 +8,42 @@
 # the most important settings you may want to configure for a production cluster.
 #
 # Please see the documentation for further information on configuration options:
-# <https://www.elastic.co/guide/en/elasticsearch/reference/5.0/settings.html>
+# <http://www.elastic.co/guide/en/elasticsearch/reference/current/setup-configuration.html>
 #
 # ---------------------------------- Cluster -----------------------------------
 #
 # Use a descriptive name for your cluster:
 #
-#cluster.name: my-application
+# cluster.name: my-application
 #
 # ------------------------------------ Node ------------------------------------
 #
 # Use a descriptive name for the node:
 #
-#node.name: node-1
+# node.name: node-1
 #
 # Add custom attributes to the node:
 #
-#node.attr.rack: r1
+# node.rack: r1
 #
 # ----------------------------------- Paths ------------------------------------
 #
 # Path to directory where to store the data (separate multiple locations by comma):
 #
-#path.data: /path/to/data
+# path.data: /path/to/data
 #
 # Path to log files:
 #
-#path.logs: /path/to/logs
+# path.logs: /path/to/logs
 #
 # ----------------------------------- Memory -----------------------------------
 #
 # Lock the memory on startup:
 #
-#bootstrap.memory_lock: true
+# bootstrap.memory_lock: true
 #
-# Make sure that the heap size is set to about half the memory available
-# on the system and that the owner of the process is allowed to use this
-# limit.
+# Make sure that the `ES_HEAP_SIZE` environment variable is set to about half the memory
+# available on the system and that the owner of the process is allowed to use this limit.
 #
 # Elasticsearch performs poorly when the system is swapping the memory.
 #
@@ -56,36 +55,40 @@ network.host: 127.0.0.1
 #
 # Set a custom port for HTTP:
 #
-#http.port: 9200
+# http.port: 9200
 #
 # For more information, see the documentation at:
-# <https://www.elastic.co/guide/en/elasticsearch/reference/5.0/modules-network.html>
+# <http://www.elastic.co/guide/en/elasticsearch/reference/current/modules-network.html>
 #
 # --------------------------------- Discovery ----------------------------------
 #
 # Pass an initial list of hosts to perform discovery when new node is started:
 # The default list of hosts is ["127.0.0.1", "[::1]"]
 #
-#discovery.zen.ping.unicast.hosts: ["host1", "host2"]
+# discovery.zen.ping.unicast.hosts: ["host1", "host2"]
 #
 # Prevent the "split brain" by configuring the majority of nodes (total number of nodes / 2 + 1):
 #
-#discovery.zen.minimum_master_nodes: 3
+# discovery.zen.minimum_master_nodes: 3
 #
 # For more information, see the documentation at:
-# <https://www.elastic.co/guide/en/elasticsearch/reference/5.0/modules-discovery-zen.html>
+# <http://www.elastic.co/guide/en/elasticsearch/reference/current/modules-discovery.html>
 #
 # ---------------------------------- Gateway -----------------------------------
 #
 # Block initial recovery after a full cluster restart until N nodes are started:
 #
-#gateway.recover_after_nodes: 3
+# gateway.recover_after_nodes: 3
 #
 # For more information, see the documentation at:
-# <https://www.elastic.co/guide/en/elasticsearch/reference/5.0/modules-gateway.html>
+# <http://www.elastic.co/guide/en/elasticsearch/reference/current/modules-gateway.html>
 #
 # ---------------------------------- Various -----------------------------------
 #
+# Disable starting multiple nodes on a single system:
+#
+# node.max_local_storage_nodes: 1
+#
 # Require explicit names when deleting indices:
 #
-#action.destructive_requires_name: true
+# action.destructive_requires_name: true