fredia commented on code in PR #25773:
URL: https://github.com/apache/flink/pull/25773#discussion_r1879258285
##########
flink-runtime/src/main/java/org/apache/flink/runtime/asyncprocessing/operators/AbstractAsyncStateStreamOperator.java:
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@@ -330,7 +332,22 @@ public void processWatermark(Watermark mark) throws
Exception {
super.processWatermark(mark);
return;
}
- asyncExecutionController.processNonRecord(() ->
super.processWatermark(mark));
+ asyncExecutionController.processNonRecord(
+ () -> {
+ // todo: make async operator deal with interruptible
watermark
+ if (timeServiceManager != null) {
+ CompletableFuture<Void> future =
timeServiceManager.advanceWatermark(mark);
+ if (asyncExecutionController.isSerialMode()) {
+ asyncExecutionController.drainInflightRecords(0);
+ future.get();
+ output.emitWatermark(mark);
+ } else {
+ future.thenAccept(v -> output.emitWatermark(mark));
+ }
Review Comment:
Nice suggestion, moved the `drain` and `assert future.isDone()` into AEC.
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