Github user StephanEwen commented on the pull request: https://github.com/apache/flink/pull/854#issuecomment-114043020 I think this code actually simply drops oversized records, or am I overlooking something? Also, outputting oversized records on WARN debug level seems heavy, it is not really something that should alert the person that runs the program. Before merging this, we need to - Make sure the records are not lost - Add a test that validates exactly that (not as an ITCase, but a unit test) - Reduce the log level for large records to DEBUG
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