Github user Aitozi commented on a diff in the pull request: https://github.com/apache/flink/pull/4665#discussion_r139933981 --- Diff: flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/operators/windowing/WindowOperator.java --- @@ -405,6 +411,8 @@ public void merge(W mergeResult, // windowAssigner is event time and current timestamp + allowed lateness no less than element timestamp if (isSkippedElement && lateDataOutputTag != null && isElementLate(element)) { sideOutput(element); + } else if (isSkippedElement) { --- End diff -- haha, i know your mean now, i think its interesting ^ _ ^. i push the code again , and modify the metrics name according to @zentol , please review the code again @aljoscha
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