Set ulimits when EFA Enabled

* Sets the max_memory ulimit on the master when EFA is enabled

Signed-off-by: Sean Smith <seaam@amazon.com>

Author: Sean Smith

recipes/base_config.rb

@@ -62,4 +62,8 @@
 # Enable EFA
 if node['cfncluster']['enable_efa'] == 'compute' && node['cfncluster']['cfn_node_type'] == 'ComputeFleet'
   include_recipe "aws-parallelcluster::_efa_enable"
+elsif node['cfncluster']['enable_efa'] == 'compute'
+  user_ulimit "*" do
+    memory_limit 'unlimited'
+  end
 end