Remove Xmx/Xms from jvm.options

Author: rjernst

distribution/src/config/jvm.options

@@ -20,10 +20,13 @@
 ## IMPORTANT: JVM heap size
 ################################################################
 ##
-## You must always set the initial and maximum JVM heap size to
-## the same value. For example, to set the heap to 4 GB, create
-## a new file in the jvm.options.d directory containing these
-## lines:
+## The heap size is automatically configured by Elasticsearch
+## based on the available memory in your system and the roles
+## each node is configured to fulfill. If specifying heap is
+## required, it should be done through a file in jvm.options.d,
+## and the min and max should be set to the same value. For
+## example, to set the heap to 4 GB, create a new file in the
+## jvm.options.d directory containing these lines:
 ##
 ## -Xms4g
 ## -Xmx4g
@@ -33,13 +36,6 @@
 ##
 ################################################################
 
-# Xms represents the initial size of the JVM heap
-# Xmx represents the maximum size of the JVM heap
-
--Xms${heap.min}
--Xmx${heap.max}
-
-
 
 ################################################################
 ## Expert settings