Ignore SQL CACHE hits in Sherlock

lib/gitlab/sherlock/transaction.rb

@@ -89,9 +89,11 @@ module Gitlab
         ActiveSupport::Notifications.subscribe('sql.active_record') do |_, start, finish, _, data|
           next unless same_thread?
 
+          unless data.fetch(:cached, data[:name] == 'CACHE')
             track_query(data[:sql].strip, data[:binds], start, finish)
           end
         end
+      end
 
       def subscribe_to_action_view
         regex = /render_(template|partial)\.action_view/