Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/4647#discussion_r137066790
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/IOMetrics.java
---
@@ -42,6 +42,7 @@
protected double numBytesInRemotePerSecond;
protected double numBytesOutPerSecond;
+
--- End diff --
this should be reverted (goes against checkstyle)---
