davidradl commented on code in PR #25790:
URL: https://github.com/apache/flink/pull/25790#discussion_r1881895705
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flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/adaptivebatch/AdaptiveBatchScheduler.java:
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@@ -273,6 +273,16 @@ public void onNewJobVerticesAdded(List<JobVertex>
newVertices, int pendingOperat
// 4. update json plan
getExecutionGraph().setJsonPlan(JsonPlanGenerator.generatePlan(getJobGraph()));
+
+ // 5. update the DistributionPattern of the upstream results consumed
by the newly created
+ // JobVertex and aggregate subpartition bytes.
Review Comment:
aggregate subpartition bytes. -> aggregate subpartition bytes when possible.
I would find is useful to describe in more detail was aggregate subpartition
bytes means and why we can perform this optimization in some circumstances.
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