dawidwys commented on a change in pull request #18702:
URL: https://github.com/apache/flink/pull/18702#discussion_r804434912
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File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/SourceOperator.java
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@@ -529,4 +625,43 @@ public void forceStop() {
forcedStopFuture.complete(null);
}
}
+
+ /**
+ * TODO: this wrapper introduces a small performance regression when used.
Maybe we can avoid
Review comment:
An idea to drop the `WatermarkTrackingOutput` would be to make the
`eventTimeLogic.createMainOutput` return e.g. `InternalReaderOutput` that would
have the method `getLastWatermark`.
I believe that's the approach Arvid took in his PoC.
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