Github user zentol commented on the issue:
https://github.com/apache/flink/pull/3106
Instead of counting bytesOut in the serializer we could do it one level up
in the RecordWriter.--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at [email protected] or file a JIRA ticket with INFRA. ---
