dieggoluis commented on code in PR #26969:
URL: https://github.com/apache/flink/pull/26969#discussion_r2359809319
##########
flink-tests/src/test/java/org/apache/flink/test/streaming/runtime/SinkV2ITCase.java:
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@@ -227,4 +353,72 @@ private void
assertUnalignedCheckpointInNonSink(StreamGraph streamGraph) {
.allMatch(StreamEdge::supportsUnalignedCheckpoints)
.isNotEmpty();
}
+
+ /**
+ * A stream source that: 1) emits a list of elements without allowing
checkpoints, 2) then waits
+ * for two more checkpoints to complete, 3) then re-emits the same
elements before 4) waiting
+ * for another two checkpoints and 5) exiting.
+ */
+ private Source<Integer, ?, ?> createStreamingSourceForScalingTest() {
Review Comment:
we could use this source in the other streaming tests as well (as in more
recent versions of flink) but I didn't modify the other tests to minimize the
diff
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