Do not send the same metrics

Author: Stanislav Volovik

lib/stackify/metrics/metrics_client.rb

@@ -70,6 +70,7 @@ def start_upload_metrics
         #only getting metrics less than 10 minutes old to drop old data in case we get backed up
         #they are removed from the @aggregated_metrics in the upload function upon success
         all_success = upload_aggregates(first_50_metrics.select { |_key, aggr| aggr.occurred_utc > current_time - 10.minutes })
+        all_success.map {|key, _aggr| @aggregate_metrics[key].occurred_utc = current_time }
       end
       @aggregate_metrics.delete_if { |_key, aggr| aggr.occurred_utc < purge_older_than }
     end