Turn performance tests on

Author: robbavey

.travis.yml

@@ -6,4 +6,4 @@ import:
 env:
   global:
   # disabled running performance tests on CI
-  - HAS_PERFORMANCE_TESTS=0
+  - HAS_PERFORMANCE_TESTS=1

spec/filters/grok_performance_spec.rb

@@ -17,7 +17,7 @@
     described_class.new(config).tap { |filter| filter.register }
   end
 
-  EVENT_COUNT = 300_000
+  EVENT_COUNT = 1_000_000
 
   describe "base-line performance", :performance => true do